Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/wordpress-seo/src/actions/addon-installation/addon-activate-action.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Addon_Installation;
+
+use WPSEO_Addon_Manager;
+use Yoast\WP\SEO\Exceptions\Addon_Installation\Addon_Activation_Error_Exception;
+use Yoast\WP\SEO\Exceptions\Addon_Installation\User_Cannot_Activate_Plugins_Exception;
+use Yoast\WP\SEO\Helpers\Require_File_Helper;
+
+/**
+ * Represents the endpoint for activating a specific Yoast Plugin on WordPress.
+ */
+class Addon_Activate_Action {
+
+	/**
+	 * The addon manager.
+	 *
+	 * @var WPSEO_Addon_Manager
+	 */
+	protected $addon_manager;
+
+	/**
+	 * The require file helper.
+	 *
+	 * @var Require_File_Helper
+	 */
+	protected $require_file_helper;
+
+	/**
+	 * Addon_Activate_Action constructor.
+	 *
+	 * @param WPSEO_Addon_Manager $addon_manager       The addon manager.
+	 * @param Require_File_Helper $require_file_helper A file helper.
+	 */
+	public function __construct(
+		WPSEO_Addon_Manager $addon_manager,
+		Require_File_Helper $require_file_helper
+	) {
+		$this->addon_manager       = $addon_manager;
+		$this->require_file_helper = $require_file_helper;
+	}
+
+	/**
+	 * Activates the plugin based on the given plugin file.
+	 *
+	 * @param string $plugin_slug The plugin slug to get download url for.
+	 *
+	 * @return bool True when activation is successful.
+	 *
+	 * @throws Addon_Activation_Error_Exception       Exception when the activation encounters an error.
+	 * @throws User_Cannot_Activate_Plugins_Exception Exception when the user is not allowed to activate.
+	 */
+	public function activate_addon( $plugin_slug ) {
+		if ( ! \current_user_can( 'activate_plugins' ) ) {
+			throw new User_Cannot_Activate_Plugins_Exception();
+		}
+
+		if ( $this->addon_manager->is_installed( $plugin_slug ) ) {
+			return true;
+		}
+
+		$this->load_wordpress_classes();
+
+		$plugin_file       = $this->addon_manager->get_plugin_file( $plugin_slug );
+		$activation_result = \activate_plugin( $plugin_file );
+
+		if ( $activation_result !== null && \is_wp_error( $activation_result ) ) {
+			throw new Addon_Activation_Error_Exception( $activation_result->get_error_message() );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Requires the files needed from WordPress itself.
+	 *
+	 * @codeCoverageIgnore Only loads a WordPress file.
+	 *
+	 * @return void
+	 */
+	protected function load_wordpress_classes() {
+		if ( ! \function_exists( 'get_plugins' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/plugin.php' );
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/addon-installation/addon-install-action.php

@@ -0,0 +1,131 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Addon_Installation;
+
+use Plugin_Upgrader;
+use WP_Error;
+use WPSEO_Addon_Manager;
+use Yoast\WP\SEO\Exceptions\Addon_Installation\Addon_Already_Installed_Exception;
+use Yoast\WP\SEO\Exceptions\Addon_Installation\Addon_Installation_Error_Exception;
+use Yoast\WP\SEO\Exceptions\Addon_Installation\User_Cannot_Install_Plugins_Exception;
+use Yoast\WP\SEO\Helpers\Require_File_Helper;
+
+/**
+ * Represents the endpoint for downloading and installing a zip-file from MyYoast.
+ */
+class Addon_Install_Action {
+
+	/**
+	 * The addon manager.
+	 *
+	 * @var WPSEO_Addon_Manager
+	 */
+	protected $addon_manager;
+
+	/**
+	 * The require file helper.
+	 *
+	 * @var Require_File_Helper
+	 */
+	protected $require_file_helper;
+
+	/**
+	 * Addon_Activate_Action constructor.
+	 *
+	 * @param WPSEO_Addon_Manager $addon_manager       The addon manager.
+	 * @param Require_File_Helper $require_file_helper A helper that can require files.
+	 */
+	public function __construct(
+		WPSEO_Addon_Manager $addon_manager,
+		Require_File_Helper $require_file_helper
+	) {
+		$this->addon_manager       = $addon_manager;
+		$this->require_file_helper = $require_file_helper;
+	}
+
+	/**
+	 * Installs the plugin based on the given slug.
+	 *
+	 * @param string $plugin_slug  The plugin slug to install.
+	 * @param string $download_url The plugin download URL.
+	 *
+	 * @return bool True when install is successful.
+	 *
+	 * @throws Addon_Already_Installed_Exception  When the addon is already installed.
+	 * @throws Addon_Installation_Error_Exception When the installation encounters an error.
+	 * @throws User_Cannot_Install_Plugins_Exception        When the user does not have the permissions to install plugins.
+	 */
+	public function install_addon( $plugin_slug, $download_url ) {
+		if ( ! \current_user_can( 'install_plugins' ) ) {
+			throw new User_Cannot_Install_Plugins_Exception( $plugin_slug );
+		}
+
+		if ( $this->is_installed( $plugin_slug ) ) {
+			throw new Addon_Already_Installed_Exception( $plugin_slug );
+		}
+
+		$this->load_wordpress_classes();
+
+		$install_result = $this->install( $download_url );
+		if ( \is_wp_error( $install_result ) ) {
+			throw new Addon_Installation_Error_Exception( $install_result->get_error_message() );
+		}
+
+		return $install_result;
+	}
+
+	/**
+	 * Requires the files needed from WordPress itself.
+	 *
+	 * @codeCoverageIgnore
+	 *
+	 * @return void
+	 */
+	protected function load_wordpress_classes() {
+		if ( ! \class_exists( 'WP_Upgrader' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+		}
+
+		if ( ! \class_exists( 'Plugin_Upgrader' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php' );
+		}
+
+		if ( ! \class_exists( 'WP_Upgrader_Skin' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php' );
+		}
+
+		if ( ! \function_exists( 'get_plugin_data' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/plugin.php' );
+		}
+
+		if ( ! \function_exists( 'request_filesystem_credentials' ) ) {
+			$this->require_file_helper->require_file_once( \ABSPATH . 'wp-admin/includes/file.php' );
+		}
+	}
+
+	/**
+	 * Checks is a plugin is installed.
+	 *
+	 * @param string $plugin_slug The plugin to check.
+	 *
+	 * @return bool True when plugin is installed.
+	 */
+	protected function is_installed( $plugin_slug ) {
+		return $this->addon_manager->get_plugin_file( $plugin_slug ) !== false;
+	}
+
+	/**
+	 * Runs the installation by using the WordPress installation routine.
+	 *
+	 * @codeCoverageIgnore Contains WordPress specific logic.
+	 *
+	 * @param string $plugin_download The url to the download.
+	 *
+	 * @return bool|WP_Error True when success, WP_Error when something went wrong.
+	 */
+	protected function install( $plugin_download ) {
+		$plugin_upgrader = new Plugin_Upgrader();
+
+		return $plugin_upgrader->install( $plugin_download );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/alert-dismissal-action.php

@@ -0,0 +1,215 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions;
+
+use Yoast\WP\SEO\Helpers\User_Helper;
+
+/**
+ * Class Alert_Dismissal_Action.
+ */
+class Alert_Dismissal_Action {
+
+	const USER_META_KEY = '_yoast_alerts_dismissed';
+
+	/**
+	 * Holds the user helper instance.
+	 *
+	 * @var User_Helper
+	 */
+	protected $user;
+
+	/**
+	 * Constructs Alert_Dismissal_Action.
+	 *
+	 * @param User_Helper $user User helper.
+	 */
+	public function __construct( User_Helper $user ) {
+		$this->user = $user;
+	}
+
+	/**
+	 * Dismisses an alert.
+	 *
+	 * @param string $alert_identifier Alert identifier.
+	 *
+	 * @return bool Whether the dismiss was successful or not.
+	 */
+	public function dismiss( $alert_identifier ) {
+		$user_id = $this->user->get_current_user_id();
+		if ( $user_id === 0 ) {
+			return false;
+		}
+
+		if ( $this->is_allowed( $alert_identifier ) === false ) {
+			return false;
+		}
+
+		$dismissed_alerts = $this->get_dismissed_alerts( $user_id );
+		if ( $dismissed_alerts === false ) {
+			return false;
+		}
+
+		if ( \array_key_exists( $alert_identifier, $dismissed_alerts ) === true ) {
+			// The alert is already dismissed.
+			return true;
+		}
+
+		// Add this alert to the dismissed alerts.
+		$dismissed_alerts[ $alert_identifier ] = true;
+
+		// Save.
+		return $this->user->update_meta( $user_id, static::USER_META_KEY, $dismissed_alerts ) !== false;
+	}
+
+	/**
+	 * Resets an alert.
+	 *
+	 * @param string $alert_identifier Alert identifier.
+	 *
+	 * @return bool Whether the reset was successful or not.
+	 */
+	public function reset( $alert_identifier ) {
+		$user_id = $this->user->get_current_user_id();
+		if ( $user_id === 0 ) {
+			return false;
+		}
+
+		if ( $this->is_allowed( $alert_identifier ) === false ) {
+			return false;
+		}
+
+		$dismissed_alerts = $this->get_dismissed_alerts( $user_id );
+		if ( $dismissed_alerts === false ) {
+			return false;
+		}
+
+		$amount_of_dismissed_alerts = \count( $dismissed_alerts );
+		if ( $amount_of_dismissed_alerts === 0 ) {
+			// No alerts: nothing to reset.
+			return true;
+		}
+
+		if ( \array_key_exists( $alert_identifier, $dismissed_alerts ) === false ) {
+			// Alert not found: nothing to reset.
+			return true;
+		}
+
+		if ( $amount_of_dismissed_alerts === 1 ) {
+			// The 1 remaining dismissed alert is the alert to reset: delete the alerts user meta row.
+			return $this->user->delete_meta( $user_id, static::USER_META_KEY, $dismissed_alerts );
+		}
+
+		// Remove this alert from the dismissed alerts.
+		unset( $dismissed_alerts[ $alert_identifier ] );
+
+		// Save.
+		return $this->user->update_meta( $user_id, static::USER_META_KEY, $dismissed_alerts ) !== false;
+	}
+
+	/**
+	 * Returns if an alert is dismissed or not.
+	 *
+	 * @param string $alert_identifier Alert identifier.
+	 *
+	 * @return bool Whether the alert has been dismissed.
+	 */
+	public function is_dismissed( $alert_identifier ) {
+		$user_id = $this->user->get_current_user_id();
+		if ( $user_id === 0 ) {
+			return false;
+		}
+
+		if ( $this->is_allowed( $alert_identifier ) === false ) {
+			return false;
+		}
+
+		$dismissed_alerts = $this->get_dismissed_alerts( $user_id );
+		if ( $dismissed_alerts === false ) {
+			return false;
+		}
+
+		return \array_key_exists( $alert_identifier, $dismissed_alerts );
+	}
+
+	/**
+	 * Returns an object with all alerts dismissed by current user.
+	 *
+	 * @return array|false An array with the keys of all Alerts that have been dismissed
+	 *                     by the current user or `false`.
+	 */
+	public function all_dismissed() {
+		$user_id = $this->user->get_current_user_id();
+		if ( $user_id === 0 ) {
+			return false;
+		}
+
+		$dismissed_alerts = $this->get_dismissed_alerts( $user_id );
+		if ( $dismissed_alerts === false ) {
+			return false;
+		}
+
+		return $dismissed_alerts;
+	}
+
+	/**
+	 * Returns if an alert is allowed or not.
+	 *
+	 * @param string $alert_identifier Alert identifier.
+	 *
+	 * @return bool Whether the alert is allowed.
+	 */
+	public function is_allowed( $alert_identifier ) {
+		return \in_array( $alert_identifier, $this->get_allowed_dismissable_alerts(), true );
+	}
+
+	/**
+	 * Retrieves the dismissed alerts.
+	 *
+	 * @param int $user_id User ID.
+	 *
+	 * @return string[]|false The dismissed alerts. False for an invalid $user_id.
+	 */
+	protected function get_dismissed_alerts( $user_id ) {
+		$dismissed_alerts = $this->user->get_meta( $user_id, static::USER_META_KEY, true );
+		if ( $dismissed_alerts === false ) {
+			// Invalid user ID.
+			return false;
+		}
+
+		if ( $dismissed_alerts === '' ) {
+			/*
+			 * When no database row exists yet, an empty string is returned because of the `single` parameter.
+			 * We do want a single result returned, but the default should be an empty array instead.
+			 */
+			return [];
+		}
+
+		return $dismissed_alerts;
+	}
+
+	/**
+	 * Retrieves the allowed dismissable alerts.
+	 *
+	 * @return string[] The allowed dismissable alerts.
+	 */
+	protected function get_allowed_dismissable_alerts() {
+		/**
+		 * Filter: 'wpseo_allowed_dismissable_alerts' - List of allowed dismissable alerts.
+		 *
+		 * @api string[] $allowed_dismissable_alerts Allowed dismissable alerts list.
+		 */
+		$allowed_dismissable_alerts = \apply_filters( 'wpseo_allowed_dismissable_alerts', [] );
+
+		if ( \is_array( $allowed_dismissable_alerts ) === false ) {
+			return [];
+		}
+
+		// Only allow strings.
+		$allowed_dismissable_alerts = \array_filter( $allowed_dismissable_alerts, 'is_string' );
+
+		// Filter unique and reorder indices.
+		$allowed_dismissable_alerts = \array_values( \array_unique( $allowed_dismissable_alerts ) );
+
+		return $allowed_dismissable_alerts;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/configuration/first-time-configuration-action.php

@@ -0,0 +1,344 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Configuration;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Social_Profiles_Helper;
+
+/**
+ * Class First_Time_Configuration_Action.
+ */
+class First_Time_Configuration_Action {
+
+	/**
+	 * The fields for the site representation payload.
+	 */
+	const SITE_REPRESENTATION_FIELDS = [
+		'company_or_person',
+		'company_name',
+		'website_name',
+		'company_logo',
+		'company_logo_id',
+		'person_logo',
+		'person_logo_id',
+		'company_or_person_user_id',
+		'description',
+	];
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * The Social_Profiles_Helper instance.
+	 *
+	 * @var Social_Profiles_Helper
+	 */
+	protected $social_profiles_helper;
+
+	/**
+	 * First_Time_Configuration_Action constructor.
+	 *
+	 * @param Options_Helper         $options_helper         The WPSEO options helper.
+	 * @param Social_Profiles_Helper $social_profiles_helper The social profiles helper.
+	 */
+	public function __construct( Options_Helper $options_helper, Social_Profiles_Helper $social_profiles_helper ) {
+		$this->options_helper         = $options_helper;
+		$this->social_profiles_helper = $social_profiles_helper;
+	}
+
+	/**
+	 * Stores the values for the site representation.
+	 *
+	 * @param array $params The values to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_site_representation( $params ) {
+		$failures   = [];
+		$old_values = $this->get_old_values( self::SITE_REPRESENTATION_FIELDS );
+
+		foreach ( self::SITE_REPRESENTATION_FIELDS as $field_name ) {
+			if ( isset( $params[ $field_name ] ) ) {
+				$result = $this->options_helper->set( $field_name, $params[ $field_name ] );
+
+				if ( ! $result ) {
+					$failures[] = $field_name;
+				}
+			}
+		}
+
+		// Delete cached logos in the db.
+		$this->options_helper->set( 'company_logo_meta', false );
+		$this->options_helper->set( 'person_logo_meta', false );
+
+		/**
+		 * Action: 'wpseo_post_update_site_representation' - Allows for Hiive event tracking.
+		 *
+		 * @param array The new values of the options.
+		 * @param array The old values of the options.
+		 * @param array The options that failed to be saved.
+		 *
+		 * @internal
+		 */
+		\do_action( 'wpseo_ftc_post_update_site_representation', $params, $old_values, $failures );
+
+		if ( \count( $failures ) === 0 ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+
+		return (object) [
+			'success'  => false,
+			'status'   => 500,
+			'error'    => 'Could not save some options in the database',
+			'failures' => $failures,
+		];
+	}
+
+	/**
+	 * Stores the values for the social profiles.
+	 *
+	 * @param array $params The values to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_social_profiles( $params ) {
+		$old_values = $this->get_old_values( \array_keys( $this->social_profiles_helper->get_organization_social_profile_fields() ) );
+		$failures   = $this->social_profiles_helper->set_organization_social_profiles( $params );
+
+		/**
+		 * Action: 'wpseo_post_update_social_profiles' - Allows for Hiive event tracking.
+		 *
+		 * @param array The new values of the options.
+		 * @param array The old values of the options.
+		 * @param array The options that failed to be saved.
+		 *
+		 * @internal
+		 */
+		\do_action( 'wpseo_ftc_post_update_social_profiles', $params, $old_values, $failures );
+
+		if ( empty( $failures ) ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+
+		return (object) [
+			'success'  => false,
+			'status'   => 200,
+			'error'    => 'Could not save some options in the database',
+			'failures' => $failures,
+		];
+	}
+
+	/**
+	 * Stores the values for the social profiles.
+	 *
+	 * @param array $params The values to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_person_social_profiles( $params ) {
+		$social_profiles = \array_filter(
+			$params,
+			static function ( $key ) {
+				return $key !== 'user_id';
+			},
+			\ARRAY_FILTER_USE_KEY
+		);
+
+		$failures = $this->social_profiles_helper->set_person_social_profiles( $params['user_id'], $social_profiles );
+
+		if ( \count( $failures ) === 0 ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+
+		return (object) [
+			'success'  => false,
+			'status'   => 200,
+			'error'    => 'Could not save some options in the database',
+			'failures' => $failures,
+		];
+	}
+
+	/**
+	 * Gets the values for the social profiles.
+	 *
+	 * @param int $user_id The person ID.
+	 *
+	 * @return object The response object.
+	 */
+	public function get_person_social_profiles( $user_id ) {
+
+		return (object) [
+			'success'         => true,
+			'status'          => 200,
+			'social_profiles' => $this->social_profiles_helper->get_person_social_profiles( $user_id ),
+		];
+	}
+
+	/**
+	 * Stores the values to enable/disable tracking.
+	 *
+	 * @param array $params The values to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_enable_tracking( $params ) {
+		$success      = true;
+		$option_value = $this->options_helper->get( 'tracking' );
+
+		if ( $option_value !== $params['tracking'] ) {
+			$this->options_helper->set( 'toggled_tracking', true );
+			$success = $this->options_helper->set( 'tracking', $params['tracking'] );
+		}
+
+		/**
+		 * Action: 'wpseo_post_update_enable_tracking' - Allows for Hiive event tracking.
+		 *
+		 * @param array The new value.
+		 * @param array The old value.
+		 * @param bool  Whether the option failed to be stored.
+		 *
+		 * @internal
+		 */
+		// $success is negated to be aligned with the other two actions which pass $failures.
+		\do_action( 'wpseo_ftc_post_update_enable_tracking', $params['tracking'], $option_value, ! $success );
+
+		if ( $success ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+
+		return (object) [
+			'success' => false,
+			'status'  => 500,
+			'error'   => 'Could not save the option in the database',
+		];
+	}
+
+	/**
+	 * Checks if the current user has the capability a specific user.
+	 *
+	 * @param int $user_id The id of the user to be edited.
+	 *
+	 * @return object The response object.
+	 */
+	public function check_capability( $user_id ) {
+		if ( $this->can_edit_profile( $user_id ) ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+
+		return (object) [
+			'success' => false,
+			'status'  => 403,
+		];
+	}
+
+	/**
+	 * Stores the first time configuration state.
+	 *
+	 * @param array $params The values to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function save_configuration_state( $params ) {
+		// If the finishedSteps param is not present in the REST request, it's a malformed request.
+		if ( ! isset( $params['finishedSteps'] ) ) {
+			return (object) [
+				'success' => false,
+				'status'  => 400,
+				'error'   => 'Bad request',
+			];
+		}
+
+		// Sanitize input.
+		$finished_steps = \array_map( '\sanitize_text_field', \wp_unslash( $params['finishedSteps'] ) );
+
+		$success = $this->options_helper->set( 'configuration_finished_steps', $finished_steps );
+
+		if ( ! $success ) {
+			return (object) [
+				'success' => false,
+				'status'  => 500,
+				'error'   => 'Could not save the option in the database',
+			];
+		}
+
+		// If all the five steps of the configuration have been completed, set first_time_install option to false.
+		if ( \count( $params['finishedSteps'] ) === 3 ) {
+			$this->options_helper->set( 'first_time_install', false );
+		}
+
+		return (object) [
+			'success' => true,
+			'status'  => 200,
+		];
+	}
+
+	/**
+	 * Gets the first time configuration state.
+	 *
+	 * @return object The response object.
+	 */
+	public function get_configuration_state() {
+		$configuration_option = $this->options_helper->get( 'configuration_finished_steps' );
+
+		if ( ! \is_null( $configuration_option ) ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+				'data'    => $configuration_option,
+			];
+		}
+
+		return (object) [
+			'success' => false,
+			'status'  => 500,
+			'error'   => 'Could not get data from the database',
+		];
+	}
+
+	/**
+	 * Checks if the current user has the capability to edit a specific user.
+	 *
+	 * @param int $person_id The id of the person to edit.
+	 *
+	 * @return bool
+	 */
+	private function can_edit_profile( $person_id ) {
+		return \current_user_can( 'edit_user', $person_id );
+	}
+
+	/**
+	 * Gets the old values for the given fields.
+	 *
+	 * @param array $fields_names The fields to get the old values for.
+	 *
+	 * @return array The old values.
+	 */
+	private function get_old_values( array $fields_names ) : array {
+		$old_values = [];
+
+		foreach ( $fields_names as $field_name ) {
+			$old_values[ $field_name ] = $this->options_helper->get( $field_name );
+		}
+
+		return $old_values;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/abstract-aioseo-importing-action.php

@@ -0,0 +1,264 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Importing;
+
+use Exception;
+use Yoast\WP\SEO\Helpers\Aioseo_Helper;
+use Yoast\WP\SEO\Helpers\Import_Cursor_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Sanitization_Helper;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Replacevar_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Provider_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Transformer_Service;
+
+/**
+ * Importing action interface.
+ */
+abstract class Abstract_Aioseo_Importing_Action implements Importing_Action_Interface {
+
+	/**
+	 * The plugin the class deals with.
+	 *
+	 * @var string
+	 */
+	const PLUGIN = null;
+
+	/**
+	 * The type the class deals with.
+	 *
+	 * @var string
+	 */
+	const TYPE = null;
+
+	/**
+	 * The AIOSEO helper.
+	 *
+	 * @var Aioseo_Helper
+	 */
+	protected $aioseo_helper;
+
+	/**
+	 * The import cursor helper.
+	 *
+	 * @var Import_Cursor_Helper
+	 */
+	protected $import_cursor;
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options;
+
+	/**
+	 * The sanitization helper.
+	 *
+	 * @var Sanitization_Helper
+	 */
+	protected $sanitization;
+
+	/**
+	 * The replacevar handler.
+	 *
+	 * @var Aioseo_Replacevar_Service
+	 */
+	protected $replacevar_handler;
+
+	/**
+	 * The robots provider service.
+	 *
+	 * @var Aioseo_Robots_Provider_Service
+	 */
+	protected $robots_provider;
+
+	/**
+	 * The robots transformer service.
+	 *
+	 * @var Aioseo_Robots_Transformer_Service
+	 */
+	protected $robots_transformer;
+
+	/**
+	 * Abstract_Aioseo_Importing_Action constructor.
+	 *
+	 * @param Import_Cursor_Helper              $import_cursor      The import cursor helper.
+	 * @param Options_Helper                    $options            The options helper.
+	 * @param Sanitization_Helper               $sanitization       The sanitization helper.
+	 * @param Aioseo_Replacevar_Service         $replacevar_handler The replacevar handler.
+	 * @param Aioseo_Robots_Provider_Service    $robots_provider    The robots provider service.
+	 * @param Aioseo_Robots_Transformer_Service $robots_transformer The robots transfomer service.
+	 */
+	public function __construct(
+		Import_Cursor_Helper $import_cursor,
+		Options_Helper $options,
+		Sanitization_Helper $sanitization,
+		Aioseo_Replacevar_Service $replacevar_handler,
+		Aioseo_Robots_Provider_Service $robots_provider,
+		Aioseo_Robots_Transformer_Service $robots_transformer
+	) {
+		$this->import_cursor      = $import_cursor;
+		$this->options            = $options;
+		$this->sanitization       = $sanitization;
+		$this->replacevar_handler = $replacevar_handler;
+		$this->robots_provider    = $robots_provider;
+		$this->robots_transformer = $robots_transformer;
+	}
+
+	/**
+	 * Sets the AIOSEO helper.
+	 *
+	 * @required
+	 *
+	 * @param Aioseo_Helper $aioseo_helper The AIOSEO helper.
+	 */
+	public function set_aioseo_helper( Aioseo_Helper $aioseo_helper ) {
+		$this->aioseo_helper = $aioseo_helper;
+	}
+
+	/**
+	 * The name of the plugin we import from.
+	 *
+	 * @return string The plugin we import from.
+	 *
+	 * @throws Exception If the PLUGIN constant is not set in the child class.
+	 */
+	public function get_plugin() {
+		$class  = \get_class( $this );
+		$plugin = $class::PLUGIN;
+
+		if ( $plugin === null ) {
+			throw new Exception( 'Importing action without explicit plugin' );
+		}
+
+		return $plugin;
+	}
+
+	/**
+	 * The data type we import from the plugin.
+	 *
+	 * @return string The data type we import from the plugin.
+	 *
+	 * @throws Exception If the TYPE constant is not set in the child class.
+	 */
+	public function get_type() {
+		$class = \get_class( $this );
+		$type  = $class::TYPE;
+
+		if ( $type === null ) {
+			throw new Exception( 'Importing action without explicit type' );
+		}
+
+		return $type;
+	}
+
+	/**
+	 * Can the current action import the data from plugin $plugin of type $type?
+	 *
+	 * @param string|null $plugin The plugin to import from.
+	 * @param string|null $type   The type of data to import.
+	 *
+	 * @return bool True if this action can handle the combination of Plugin and Type.
+	 *
+	 * @throws Exception If the TYPE constant is not set in the child class.
+	 */
+	public function is_compatible_with( $plugin = null, $type = null ) {
+		if ( empty( $plugin ) && empty( $type ) ) {
+			return true;
+		}
+
+		if ( $plugin === $this->get_plugin() && empty( $type ) ) {
+			return true;
+		}
+
+		if ( empty( $plugin ) && $type === $this->get_type() ) {
+			return true;
+		}
+
+		if ( $plugin === $this->get_plugin() && $type === $this->get_type() ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Gets the completed id (to be used as a key for the importing_completed option).
+	 *
+	 * @return string The completed id.
+	 */
+	public function get_completed_id() {
+		return $this->get_cursor_id();
+	}
+
+	/**
+	 * Returns the stored state of completedness.
+	 *
+	 * @return int The stored state of completedness.
+	 */
+	public function get_completed() {
+		$completed_id          = $this->get_completed_id();
+		$importers_completions = $this->options->get( 'importing_completed', [] );
+
+		return ( isset( $importers_completions[ $completed_id ] ) ) ? $importers_completions[ $completed_id ] : false;
+	}
+
+	/**
+	 * Stores the current state of completedness.
+	 *
+	 * @param bool $completed Whether the importer is completed.
+	 *
+	 * @return void
+	 */
+	public function set_completed( $completed ) {
+		$completed_id                  = $this->get_completed_id();
+		$current_importers_completions = $this->options->get( 'importing_completed', [] );
+
+		$current_importers_completions[ $completed_id ] = $completed;
+		$this->options->set( 'importing_completed', $current_importers_completions );
+	}
+
+	/**
+	 * Returns whether the importing action is enabled.
+	 *
+	 * @return bool True by default unless a child class overrides it.
+	 */
+	public function is_enabled() {
+		return true;
+	}
+
+	/**
+	 * Gets the cursor id.
+	 *
+	 * @return string The cursor id.
+	 */
+	protected function get_cursor_id() {
+		return $this->get_plugin() . '_' . $this->get_type();
+	}
+
+	/**
+	 * Minimally transforms data to be imported.
+	 *
+	 * @param string $meta_data The meta data to be imported.
+	 *
+	 * @return string The transformed meta data.
+	 */
+	public function simple_import( $meta_data ) {
+		// Transform the replace vars into Yoast replace vars.
+		$transformed_data = $this->replacevar_handler->transform( $meta_data );
+
+		return $this->sanitization->sanitize_text_field( \html_entity_decode( $transformed_data ) );
+	}
+
+	/**
+	 * Transforms URL to be imported.
+	 *
+	 * @param string $meta_data The meta data to be imported.
+	 *
+	 * @return string The transformed URL.
+	 */
+	public function url_import( $meta_data ) {
+		// We put null as the allowed protocols here, to have the WP default allowed protocols, see https://developer.wordpress.org/reference/functions/wp_allowed_protocols.
+		return $this->sanitization->sanitize_url( $meta_data, null );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/abstract-aioseo-settings-importing-action.php

@@ -0,0 +1,340 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use Exception;
+use Yoast\WP\SEO\Actions\Importing\Abstract_Aioseo_Importing_Action;
+use Yoast\WP\SEO\Helpers\Import_Helper;
+
+/**
+ * Abstract class for importing AIOSEO settings.
+ */
+abstract class Abstract_Aioseo_Settings_Importing_Action extends Abstract_Aioseo_Importing_Action {
+
+	/**
+	 * The plugin the class deals with.
+	 *
+	 * @var string
+	 */
+	const PLUGIN = null;
+
+	/**
+	 * The type the class deals with.
+	 *
+	 * @var string
+	 */
+	const TYPE = null;
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = null;
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with, eg. taxonomies, posttypes.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = '';
+
+	/**
+	 * Additional mapping between AiOSEO replace vars and Yoast replace vars.
+	 *
+	 * @var array
+	 *
+	 * @see https://yoast.com/help/list-available-snippet-variables-yoast-seo/
+	 */
+	protected $replace_vars_edited_map = [];
+
+	/**
+	 * The import helper.
+	 *
+	 * @var Import_Helper
+	 */
+	protected $import_helper;
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	abstract protected function build_mapping();
+
+	/**
+	 * Sets the import helper.
+	 *
+	 * @required
+	 *
+	 * @param Import_Helper $import_helper The import helper.
+	 */
+	public function set_import_helper( Import_Helper $import_helper ) {
+		$this->import_helper = $import_helper;
+	}
+
+	/**
+	 * Retrieves the source option_name.
+	 *
+	 * @return string The source option_name.
+	 *
+	 * @throws Exception If the SOURCE_OPTION_NAME constant is not set in the child class.
+	 */
+	public function get_source_option_name() {
+		$source_option_name = static::SOURCE_OPTION_NAME;
+
+		if ( empty( $source_option_name ) ) {
+			throw new Exception( 'Importing settings action without explicit source option_name' );
+		}
+
+		return $source_option_name;
+	}
+
+	/**
+	 * Returns the total number of unimported objects.
+	 *
+	 * @return int The total number of unimported objects.
+	 */
+	public function get_total_unindexed() {
+		return $this->get_unindexed_count();
+	}
+
+	/**
+	 * Returns the limited number of unimported objects.
+	 *
+	 * @param int $limit The maximum number of unimported objects to be returned.
+	 *
+	 * @return int The limited number of unindexed posts.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		return $this->get_unindexed_count( $limit );
+	}
+
+	/**
+	 * Returns the number of unimported objects (limited if limit is applied).
+	 *
+	 * @param int|null $limit The maximum number of unimported objects to be returned.
+	 *
+	 * @return int The number of unindexed posts.
+	 */
+	protected function get_unindexed_count( $limit = null ) {
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = null;
+		}
+
+		$settings_to_create = $this->query( $limit );
+
+		$number_of_settings_to_create = \count( $settings_to_create );
+		$completed                    = $number_of_settings_to_create === 0;
+		$this->set_completed( $completed );
+
+		return $number_of_settings_to_create;
+	}
+
+	/**
+	 * Imports AIOSEO settings.
+	 *
+	 * @return array|false An array of the AIOSEO settings that were imported or false if aioseo data was not found.
+	 */
+	public function index() {
+		$limit            = $this->get_limit();
+		$aioseo_settings  = $this->query( $limit );
+		$created_settings = [];
+
+		$completed = \count( $aioseo_settings ) === 0;
+		$this->set_completed( $completed );
+
+		// Prepare the setting keys mapping.
+		$this->build_mapping();
+
+		// Prepare the replacement var mapping.
+		foreach ( $this->replace_vars_edited_map as $aioseo_var => $yoast_var ) {
+			$this->replacevar_handler->compose_map( $aioseo_var, $yoast_var );
+		}
+
+		$last_imported_setting = '';
+		try {
+			foreach ( $aioseo_settings as $setting => $setting_value ) {
+				// Map and import the values of the setting we're working with (eg. post, book-category, etc.) to the respective Yoast option.
+				$this->map( $setting_value, $setting );
+
+				// Save the type of the settings that were just imported, so that we can allow chunked imports.
+				$last_imported_setting = $setting;
+
+				$created_settings[] = $setting;
+			}
+		}
+		finally {
+			$cursor_id = $this->get_cursor_id();
+			$this->import_cursor->set_cursor( $cursor_id, $last_imported_setting );
+		}
+
+		return $created_settings;
+	}
+
+	/**
+	 * Checks if the settings tab subsetting is set in the AIOSEO option.
+	 *
+	 * @param string $aioseo_settings The AIOSEO option.
+	 *
+	 * @return bool Whether the settings are set.
+	 */
+	public function isset_settings_tab( $aioseo_settings ) {
+		return isset( $aioseo_settings['searchAppearance'][ $this->settings_tab ] );
+	}
+
+	/**
+	 * Queries the database and retrieves unimported AiOSEO settings (in chunks if a limit is applied).
+	 *
+	 * @param int|null $limit The maximum number of unimported objects to be returned.
+	 *
+	 * @return array The (maybe chunked) unimported AiOSEO settings to import.
+	 */
+	protected function query( $limit = null ) {
+		$aioseo_settings = \json_decode( \get_option( $this->get_source_option_name(), '' ), true );
+
+		if ( empty( $aioseo_settings ) ) {
+			return [];
+		}
+
+		// We specifically want the setttings of the tab we're working with, eg. postTypes, taxonomies, etc.
+		$settings_values = $aioseo_settings['searchAppearance'][ $this->settings_tab ];
+		if ( ! \is_array( $settings_values ) ) {
+			return [];
+		}
+
+		$flattened_settings = $this->import_helper->flatten_settings( $settings_values );
+
+		return $this->get_unimported_chunk( $flattened_settings, $limit );
+	}
+
+	/**
+	 * Retrieves (a chunk of, if limit is applied) the unimported AIOSEO settings.
+	 * To apply a chunk, we manipulate the cursor to the keys of the AIOSEO settings.
+	 *
+	 * @param array $importable_data All of the available AIOSEO settings.
+	 * @param int   $limit           The maximum number of unimported objects to be returned.
+	 *
+	 * @return array The (chunk of, if limit is applied)) unimported AIOSEO settings.
+	 */
+	protected function get_unimported_chunk( $importable_data, $limit ) {
+		\ksort( $importable_data );
+
+		$cursor_id = $this->get_cursor_id();
+		$cursor    = $this->import_cursor->get_cursor( $cursor_id, '' );
+
+		/**
+		 * Filter 'wpseo_aioseo_<identifier>_import_cursor' - Allow filtering the value of the aioseo settings import cursor.
+		 *
+		 * @api int The value of the aioseo posttype default settings import cursor.
+		 */
+		$cursor = \apply_filters( 'wpseo_aioseo_' . $this->get_type() . '_import_cursor', $cursor );
+
+		if ( $cursor === '' ) {
+			return \array_slice( $importable_data, 0, $limit, true );
+		}
+
+		// Let's find the position of the cursor in the alphabetically sorted importable data, so we can return only the unimported data.
+		$keys = \array_flip( \array_keys( $importable_data ) );
+		// If the stored cursor now no longer exists in the data, we have no choice but to start over.
+		$position = ( isset( $keys[ $cursor ] ) ) ? ( $keys[ $cursor ] + 1 ) : 0;
+
+		return \array_slice( $importable_data, $position, $limit, true );
+	}
+
+	/**
+	 * Returns the number of objects that will be imported in a single importing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_aioseo_<identifier>_indexation_limit' - Allow filtering the number of settings imported during each importing pass.
+		 *
+		 * @api int The maximum number of posts indexed.
+		 */
+		$limit = \apply_filters( 'wpseo_aioseo_' . $this->get_type() . '_indexation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+
+	/**
+	 * Maps/imports AIOSEO settings into the respective Yoast settings.
+	 *
+	 * @param string|array $setting_value The value of the AIOSEO setting at hand.
+	 * @param string       $setting       The setting at hand, eg. post or movie-category, separator etc.
+	 *
+	 * @return void
+	 */
+	protected function map( $setting_value, $setting ) {
+		$aioseo_options_to_yoast_map = $this->aioseo_options_to_yoast_map;
+
+		if ( isset( $aioseo_options_to_yoast_map[ $setting ] ) ) {
+			$this->import_single_setting( $setting, $setting_value, $aioseo_options_to_yoast_map[ $setting ] );
+		}
+	}
+
+	/**
+	 * Imports a single setting in the db after transforming it to adhere to Yoast conventions.
+	 *
+	 * @param string $setting         The name of the setting.
+	 * @param string $setting_value   The values of the setting.
+	 * @param array  $setting_mapping The mapping of the setting to Yoast formats.
+	 *
+	 * @return void
+	 */
+	protected function import_single_setting( $setting, $setting_value, $setting_mapping ) {
+		$yoast_key = $setting_mapping['yoast_name'];
+
+		// Check if we're supposed to save the setting.
+		if ( $this->options->get_default( 'wpseo_titles', $yoast_key ) !== null ) {
+			// Then, do any needed data transfomation before actually saving the incoming data.
+			$transformed_data = \call_user_func( [ $this, $setting_mapping['transform_method'] ], $setting_value, $setting_mapping );
+
+			$this->options->set( $yoast_key, $transformed_data );
+		}
+	}
+
+	/**
+	 * Minimally transforms boolean data to be imported.
+	 *
+	 * @param bool $meta_data The boolean meta data to be imported.
+	 *
+	 * @return bool The transformed boolean meta data.
+	 */
+	public function simple_boolean_import( $meta_data ) {
+		return $meta_data;
+	}
+
+	/**
+	 * Imports the noindex setting, taking into consideration whether they defer to global defaults.
+	 *
+	 * @param bool  $noindex The noindex of the type, without taking into consideration whether the type defers to global defaults.
+	 * @param array $mapping The mapping of the setting we're working with.
+	 *
+	 * @return bool The noindex setting.
+	 */
+	public function import_noindex( $noindex, $mapping ) {
+		return $this->robots_transformer->transform_robot_setting( 'noindex', $noindex, $mapping );
+	}
+
+	/**
+	 * Returns a setting map of the robot setting for one subset of post types/taxonomies/archives.
+	 * For custom archives, it returns an empty array because AIOSEO excludes some custom archives from this option structure, eg. WooCommerce's products and we don't want to raise a false alarm.
+	 *
+	 * @return array The setting map of the robot setting for one subset of post types/taxonomies/archives or an empty array.
+	 */
+	public function pluck_robot_setting_from_mapping() {
+		return [];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-cleanup-action.php

@@ -0,0 +1,176 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use wpdb;
+use Yoast\WP\SEO\Actions\Importing\Abstract_Aioseo_Importing_Action;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Importing action for cleaning up AIOSEO data.
+ */
+class Aioseo_Cleanup_Action extends Abstract_Aioseo_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'cleanup';
+
+	/**
+	 * The AIOSEO meta_keys to be cleaned up.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_postmeta_keys = [
+		'_aioseo_title',
+		'_aioseo_description',
+		'_aioseo_og_title',
+		'_aioseo_og_description',
+		'_aioseo_twitter_title',
+		'_aioseo_twitter_description',
+	];
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * Class constructor.
+	 *
+	 * @param wpdb           $wpdb    The WordPress database instance.
+	 * @param Options_Helper $options The options helper.
+	 */
+	public function __construct(
+		wpdb $wpdb,
+		Options_Helper $options
+	) {
+		$this->wpdb    = $wpdb;
+		$this->options = $options;
+	}
+
+	/**
+	 * Retrieves the postmeta along with the db prefix.
+	 *
+	 * @return string The postmeta table name along with the db prefix.
+	 */
+	protected function get_postmeta_table() {
+		return $this->wpdb->prefix . 'postmeta';
+	}
+
+	/**
+	 * Just checks if the cleanup has been completed in the past.
+	 *
+	 * @return int The total number of unimported objects.
+	 */
+	public function get_total_unindexed() {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return 0;
+		}
+
+		return ( ! $this->get_completed() ) ? 1 : 0;
+	}
+
+	/**
+	 * Just checks if the cleanup has been completed in the past.
+	 *
+	 * @param int $limit The maximum number of unimported objects to be returned.
+	 *
+	 * @return int|false The limited number of unindexed posts. False if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return 0;
+		}
+
+		return ( ! $this->get_completed() ) ? 1 : 0;
+	}
+
+	/**
+	 * Cleans up AIOSEO data.
+	 *
+	 * @return Indexable[]|false An array of created indexables or false if aioseo data was not found.
+	 */
+	public function index() {
+		if ( $this->get_completed() ) {
+			return [];
+		}
+
+		// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared -- Reason: There is no unescaped user input.
+		$meta_data                  = $this->wpdb->query( $this->cleanup_postmeta_query() );
+		$aioseo_table_truncate_done = $this->wpdb->query( $this->truncate_query() );
+		// phpcs:enable WordPress.DB.PreparedSQL.NotPrepared
+
+		if ( $meta_data === false && $aioseo_table_truncate_done === false ) {
+			return false;
+		}
+
+		$this->set_completed( true );
+
+		return [
+			'metadata_cleanup'   => $meta_data,
+			'indexables_cleanup' => $aioseo_table_truncate_done,
+		];
+	}
+
+	/**
+	 * Creates a DELETE query string for deleting AIOSEO postmeta data.
+	 *
+	 * @return string The query to use for importing or counting the number of items to import.
+	 */
+	public function cleanup_postmeta_query() {
+		$table               = $this->get_postmeta_table();
+		$meta_keys_to_delete = $this->aioseo_postmeta_keys;
+
+		// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Reason: There is no unescaped user input.
+		return $this->wpdb->prepare(
+			"DELETE FROM {$table} WHERE meta_key IN (" . \implode( ', ', \array_fill( 0, \count( $meta_keys_to_delete ), '%s' ) ) . ')',
+			$meta_keys_to_delete
+		);
+		// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
+	}
+
+	/**
+	 * Creates a TRUNCATE query string for emptying the AIOSEO indexable table, if it exists.
+	 *
+	 * @return string The query to use for importing or counting the number of items to import.
+	 */
+	public function truncate_query() {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			// If the table doesn't exist, we need a string that will amount to a quick query that doesn't return false when ran.
+			return 'SELECT 1';
+		}
+
+		$table = $this->aioseo_helper->get_table();
+
+		return "TRUNCATE TABLE {$table}";
+	}
+
+	/**
+	 * Used nowhere. Exists to comply with the interface.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_aioseo_cleanup_limit' - Allow filtering the number of posts indexed during each indexing pass.
+		 *
+		 * @api int The maximum number of posts cleaned up.
+		 */
+		$limit = \apply_filters( 'wpseo_aioseo_cleanup_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-custom-archive-settings-importing-action.php

@@ -0,0 +1,111 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use Yoast\WP\SEO\Helpers\Import_Cursor_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+use Yoast\WP\SEO\Helpers\Sanitization_Helper;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Replacevar_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Provider_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Transformer_Service;
+
+/**
+ * Importing action for AIOSEO custom archive settings data.
+ *
+ * @phpcs:disable Yoast.NamingConventions.ObjectNameDepth.MaxExceeded
+ */
+class Aioseo_Custom_Archive_Settings_Importing_Action extends Abstract_Aioseo_Settings_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'custom_archive_settings';
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = 'aioseo_options_dynamic';
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = 'archives';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type;
+
+	/**
+	 * Aioseo_Custom_Archive_Settings_Importing_Action constructor.
+	 *
+	 * @param Import_Cursor_Helper              $import_cursor      The import cursor helper.
+	 * @param Options_Helper                    $options            The options helper.
+	 * @param Sanitization_Helper               $sanitization       The sanitization helper.
+	 * @param Post_Type_Helper                  $post_type          The post type helper.
+	 * @param Aioseo_Replacevar_Service         $replacevar_handler The replacevar handler.
+	 * @param Aioseo_Robots_Provider_Service    $robots_provider    The robots provider service.
+	 * @param Aioseo_Robots_Transformer_Service $robots_transformer The robots transfomer service.
+	 */
+	public function __construct(
+		Import_Cursor_Helper $import_cursor,
+		Options_Helper $options,
+		Sanitization_Helper $sanitization,
+		Post_Type_Helper $post_type,
+		Aioseo_Replacevar_Service $replacevar_handler,
+		Aioseo_Robots_Provider_Service $robots_provider,
+		Aioseo_Robots_Transformer_Service $robots_transformer
+	) {
+		parent::__construct( $import_cursor, $options, $sanitization, $replacevar_handler, $robots_provider, $robots_transformer );
+
+		$this->post_type = $post_type;
+	}
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	protected function build_mapping() {
+		$post_type_objects = \get_post_types( [ 'public' => true ], 'objects' );
+
+		foreach ( $post_type_objects as $pt ) {
+			// Use all the custom post types that have archives.
+			if ( ! $pt->_builtin && $this->post_type->has_archive( $pt ) ) {
+				$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/title' ]                       = [
+					'yoast_name'       => 'title-ptarchive-' . $pt->name,
+					'transform_method' => 'simple_import',
+				];
+				$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/metaDescription' ]             = [
+					'yoast_name'       => 'metadesc-ptarchive-' . $pt->name,
+					'transform_method' => 'simple_import',
+				];
+				$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/advanced/robotsMeta/noindex' ] = [
+					'yoast_name'       => 'noindex-ptarchive-' . $pt->name,
+					'transform_method' => 'import_noindex',
+					'type'             => 'archives',
+					'subtype'          => $pt->name,
+					'option_name'      => 'aioseo_options_dynamic',
+				];
+			}
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-default-archive-settings-importing-action.php

@@ -0,0 +1,103 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+/**
+ * Importing action for AIOSEO default archive settings data.
+ *
+ * @phpcs:disable Yoast.NamingConventions.ObjectNameDepth.MaxExceeded
+ */
+class Aioseo_Default_Archive_Settings_Importing_Action extends Abstract_Aioseo_Settings_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'default_archive_settings';
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = 'aioseo_options';
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = 'archives';
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	protected function build_mapping() {
+		$this->aioseo_options_to_yoast_map = [
+			'/author/title'                       => [
+				'yoast_name'       => 'title-author-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/author/metaDescription'             => [
+				'yoast_name'       => 'metadesc-author-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/date/title'                         => [
+				'yoast_name'       => 'title-archive-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/date/metaDescription'               => [
+				'yoast_name'       => 'metadesc-archive-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/search/title'                       => [
+				'yoast_name'       => 'title-search-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/author/advanced/robotsMeta/noindex' => [
+				'yoast_name'       => 'noindex-author-wpseo',
+				'transform_method' => 'import_noindex',
+				'type'             => 'archives',
+				'subtype'          => 'author',
+				'option_name'      => 'aioseo_options',
+			],
+			'/date/advanced/robotsMeta/noindex'   => [
+				'yoast_name'       => 'noindex-archive-wpseo',
+				'transform_method' => 'import_noindex',
+				'type'             => 'archives',
+				'subtype'          => 'date',
+				'option_name'      => 'aioseo_options',
+			],
+		];
+	}
+
+	/**
+	 * Returns a setting map of the robot setting for author archives.
+	 *
+	 * @return array The setting map of the robot setting for author archives.
+	 */
+	public function pluck_robot_setting_from_mapping() {
+		$this->build_mapping();
+
+		foreach ( $this->aioseo_options_to_yoast_map as $setting ) {
+			// Return the first archive setting map.
+			if ( $setting['transform_method'] === 'import_noindex' && isset( $setting['subtype'] ) && $setting['subtype'] === 'author' ) {
+				return $setting;
+			}
+		}
+
+		return [];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-general-settings-importing-action.php

@@ -0,0 +1,213 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use Yoast\WP\SEO\Helpers\Image_Helper;
+use Yoast\WP\SEO\Helpers\Import_Cursor_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Sanitization_Helper;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Replacevar_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Provider_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Transformer_Service;
+
+/**
+ * Importing action for AIOSEO general settings.
+ */
+class Aioseo_General_Settings_Importing_Action extends Abstract_Aioseo_Settings_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'general_settings';
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = 'aioseo_options';
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = 'global';
+
+	/**
+	 * The image helper.
+	 *
+	 * @var Image_Helper
+	 */
+	protected $image;
+
+	/**
+	 * Aioseo_General_Settings_Importing_Action constructor.
+	 *
+	 * @param Import_Cursor_Helper              $import_cursor      The import cursor helper.
+	 * @param Options_Helper                    $options            The options helper.
+	 * @param Sanitization_Helper               $sanitization       The sanitization helper.
+	 * @param Image_Helper                      $image              The image helper.
+	 * @param Aioseo_Replacevar_Service         $replacevar_handler The replacevar handler.
+	 * @param Aioseo_Robots_Provider_Service    $robots_provider    The robots provider service.
+	 * @param Aioseo_Robots_Transformer_Service $robots_transformer The robots transfomer service.
+	 */
+	public function __construct(
+		Import_Cursor_Helper $import_cursor,
+		Options_Helper $options,
+		Sanitization_Helper $sanitization,
+		Image_Helper $image,
+		Aioseo_Replacevar_Service $replacevar_handler,
+		Aioseo_Robots_Provider_Service $robots_provider,
+		Aioseo_Robots_Transformer_Service $robots_transformer
+	) {
+		parent::__construct( $import_cursor, $options, $sanitization, $replacevar_handler, $robots_provider, $robots_transformer );
+
+		$this->image = $image;
+	}
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	protected function build_mapping() {
+		$this->aioseo_options_to_yoast_map = [
+			'/separator'               => [
+				'yoast_name'       => 'separator',
+				'transform_method' => 'transform_separator',
+			],
+			'/siteTitle'               => [
+				'yoast_name'       => 'title-home-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/metaDescription'         => [
+				'yoast_name'       => 'metadesc-home-wpseo',
+				'transform_method' => 'simple_import',
+			],
+			'/schema/siteRepresents'   => [
+				'yoast_name'       => 'company_or_person',
+				'transform_method' => 'transform_site_represents',
+			],
+			'/schema/person'           => [
+				'yoast_name'       => 'company_or_person_user_id',
+				'transform_method' => 'simple_import',
+			],
+			'/schema/organizationName' => [
+				'yoast_name'       => 'company_name',
+				'transform_method' => 'simple_import',
+			],
+			'/schema/organizationLogo' => [
+				'yoast_name'       => 'company_logo',
+				'transform_method' => 'import_company_logo',
+			],
+			'/schema/personLogo'       => [
+				'yoast_name'       => 'person_logo',
+				'transform_method' => 'import_person_logo',
+			],
+		];
+	}
+
+	/**
+	 * Imports the organization logo while also accounting for the id of the log to be saved in the separate Yoast option.
+	 *
+	 * @param string $logo_url The company logo url coming from AIOSEO settings.
+	 *
+	 * @return string The transformed company logo url.
+	 */
+	public function import_company_logo( $logo_url ) {
+		$logo_id = $this->image->get_attachment_by_url( $logo_url );
+		$this->options->set( 'company_logo_id', $logo_id );
+
+		$this->options->set( 'company_logo_meta', false );
+		$logo_meta = $this->image->get_attachment_meta_from_settings( 'company_logo' );
+		$this->options->set( 'company_logo_meta', $logo_meta );
+
+		return $this->url_import( $logo_url );
+	}
+
+	/**
+	 * Imports the person logo while also accounting for the id of the log to be saved in the separate Yoast option.
+	 *
+	 * @param string $logo_url The person logo url coming from AIOSEO settings.
+	 *
+	 * @return string The transformed person logo url.
+	 */
+	public function import_person_logo( $logo_url ) {
+		$logo_id = $this->image->get_attachment_by_url( $logo_url );
+		$this->options->set( 'person_logo_id', $logo_id );
+
+		$this->options->set( 'person_logo_meta', false );
+		$logo_meta = $this->image->get_attachment_meta_from_settings( 'person_logo' );
+		$this->options->set( 'person_logo_meta', $logo_meta );
+
+		return $this->url_import( $logo_url );
+	}
+
+	/**
+	 * Transforms the site represents setting.
+	 *
+	 * @param string $site_represents The site represents setting.
+	 *
+	 * @return string The transformed site represents setting.
+	 */
+	public function transform_site_represents( $site_represents ) {
+		switch ( $site_represents ) {
+			case 'person':
+				return 'person';
+
+			case 'organization':
+			default:
+				return 'company';
+		}
+	}
+
+	/**
+	 * Transforms the separator setting.
+	 *
+	 * @param string $separator The separator setting.
+	 *
+	 * @return string The transformed separator.
+	 */
+	public function transform_separator( $separator ) {
+		switch ( $separator ) {
+			case '&#45;':
+				return 'sc-dash';
+
+			case '&ndash;':
+				return 'sc-ndash';
+
+			case '&mdash;':
+				return 'sc-mdash';
+
+			case '&raquo;':
+				return 'sc-raquo';
+
+			case '&laquo;':
+				return 'sc-laquo';
+
+			case '&gt;':
+				return 'sc-gt';
+
+			case '&bull;':
+				return 'sc-bull';
+
+			case '&#124;':
+				return 'sc-pipe';
+
+			default:
+				return 'sc-dash';
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-posts-importing-action.php

@@ -0,0 +1,623 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use wpdb;
+use Yoast\WP\SEO\Actions\Importing\Abstract_Aioseo_Importing_Action;
+use Yoast\WP\SEO\Helpers\Image_Helper;
+use Yoast\WP\SEO\Helpers\Import_Cursor_Helper;
+use Yoast\WP\SEO\Helpers\Indexable_Helper;
+use Yoast\WP\SEO\Helpers\Indexable_To_Postmeta_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Sanitization_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Replacevar_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Provider_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Transformer_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Social_Images_Provider_Service;
+
+/**
+ * Importing action for AIOSEO post data.
+ */
+class Aioseo_Posts_Importing_Action extends Abstract_Aioseo_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'posts';
+
+	/**
+	 * The map of aioseo to yoast meta.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_to_yoast_map = [
+		'title'               => [
+			'yoast_name'       => 'title',
+			'transform_method' => 'simple_import_post',
+		],
+		'description'         => [
+			'yoast_name'       => 'description',
+			'transform_method' => 'simple_import_post',
+		],
+		'og_title'            => [
+			'yoast_name'       => 'open_graph_title',
+			'transform_method' => 'simple_import_post',
+		],
+		'og_description'      => [
+			'yoast_name'       => 'open_graph_description',
+			'transform_method' => 'simple_import_post',
+		],
+		'twitter_title'       => [
+			'yoast_name'       => 'twitter_title',
+			'transform_method' => 'simple_import_post',
+			'twitter_import'   => true,
+		],
+		'twitter_description' => [
+			'yoast_name'       => 'twitter_description',
+			'transform_method' => 'simple_import_post',
+			'twitter_import'   => true,
+		],
+		'canonical_url'       => [
+			'yoast_name'       => 'canonical',
+			'transform_method' => 'url_import_post',
+		],
+		'keyphrases'          => [
+			'yoast_name'       => 'primary_focus_keyword',
+			'transform_method' => 'keyphrase_import',
+		],
+		'og_image_url'        => [
+			'yoast_name'                   => 'open_graph_image',
+			'social_image_import'          => true,
+			'social_setting_prefix_aioseo' => 'og_',
+			'social_setting_prefix_yoast'  => 'open_graph_',
+			'transform_method'             => 'social_image_url_import',
+		],
+		'twitter_image_url'   => [
+			'yoast_name'                   => 'twitter_image',
+			'social_image_import'          => true,
+			'social_setting_prefix_aioseo' => 'twitter_',
+			'social_setting_prefix_yoast'  => 'twitter_',
+			'transform_method'             => 'social_image_url_import',
+		],
+		'robots_noindex'      => [
+			'yoast_name'       => 'is_robots_noindex',
+			'transform_method' => 'post_robots_noindex_import',
+			'robots_import'    => true,
+		],
+		'robots_nofollow'     => [
+			'yoast_name'       => 'is_robots_nofollow',
+			'transform_method' => 'post_general_robots_import',
+			'robots_import'    => true,
+			'robot_type'       => 'nofollow',
+		],
+		'robots_noarchive'    => [
+			'yoast_name'       => 'is_robots_noarchive',
+			'transform_method' => 'post_general_robots_import',
+			'robots_import'    => true,
+			'robot_type'       => 'noarchive',
+		],
+		'robots_nosnippet'    => [
+			'yoast_name'       => 'is_robots_nosnippet',
+			'transform_method' => 'post_general_robots_import',
+			'robots_import'    => true,
+			'robot_type'       => 'nosnippet',
+		],
+		'robots_noimageindex' => [
+			'yoast_name'       => 'is_robots_noimageindex',
+			'transform_method' => 'post_general_robots_import',
+			'robots_import'    => true,
+			'robot_type'       => 'noimageindex',
+		],
+	];
+
+	/**
+	 * Represents the indexables repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $indexable_repository;
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * The image helper.
+	 *
+	 * @var Image_Helper
+	 */
+	protected $image;
+
+	/**
+	 * The indexable_to_postmeta helper.
+	 *
+	 * @var Indexable_To_Postmeta_Helper
+	 */
+	protected $indexable_to_postmeta;
+
+	/**
+	 * The indexable helper.
+	 *
+	 * @var Indexable_Helper
+	 */
+	protected $indexable_helper;
+
+	/**
+	 * The social images provider service.
+	 *
+	 * @var Aioseo_Social_Images_Provider_Service
+	 */
+	protected $social_images_provider;
+
+	/**
+	 * Class constructor.
+	 *
+	 * @param Indexable_Repository                  $indexable_repository   The indexables repository.
+	 * @param wpdb                                  $wpdb                   The WordPress database instance.
+	 * @param Import_Cursor_Helper                  $import_cursor          The import cursor helper.
+	 * @param Indexable_Helper                      $indexable_helper       The indexable helper.
+	 * @param Indexable_To_Postmeta_Helper          $indexable_to_postmeta  The indexable_to_postmeta helper.
+	 * @param Options_Helper                        $options                The options helper.
+	 * @param Image_Helper                          $image                  The image helper.
+	 * @param Sanitization_Helper                   $sanitization           The sanitization helper.
+	 * @param Aioseo_Replacevar_Service             $replacevar_handler     The replacevar handler.
+	 * @param Aioseo_Robots_Provider_Service        $robots_provider        The robots provider service.
+	 * @param Aioseo_Robots_Transformer_Service     $robots_transformer     The robots transfomer service.
+	 * @param Aioseo_Social_Images_Provider_Service $social_images_provider The social images provider service.
+	 */
+	public function __construct(
+		Indexable_Repository $indexable_repository,
+		wpdb $wpdb,
+		Import_Cursor_Helper $import_cursor,
+		Indexable_Helper $indexable_helper,
+		Indexable_To_Postmeta_Helper $indexable_to_postmeta,
+		Options_Helper $options,
+		Image_Helper $image,
+		Sanitization_Helper $sanitization,
+		Aioseo_Replacevar_Service $replacevar_handler,
+		Aioseo_Robots_Provider_Service $robots_provider,
+		Aioseo_Robots_Transformer_Service $robots_transformer,
+		Aioseo_Social_Images_Provider_Service $social_images_provider ) {
+		parent::__construct( $import_cursor, $options, $sanitization, $replacevar_handler, $robots_provider, $robots_transformer );
+
+		$this->indexable_repository   = $indexable_repository;
+		$this->wpdb                   = $wpdb;
+		$this->image                  = $image;
+		$this->indexable_helper       = $indexable_helper;
+		$this->indexable_to_postmeta  = $indexable_to_postmeta;
+		$this->social_images_provider = $social_images_provider;
+	}
+
+	// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared -- Reason: They are already prepared.
+
+	/**
+	 * Returns the total number of unimported objects.
+	 *
+	 * @return int The total number of unimported objects.
+	 */
+	public function get_total_unindexed() {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return 0;
+		}
+
+		$limit                = false;
+		$just_detect          = true;
+		$indexables_to_create = $this->wpdb->get_col( $this->query( $limit, $just_detect ) );
+
+		$number_of_indexables_to_create = \count( $indexables_to_create );
+		$completed                      = $number_of_indexables_to_create === 0;
+		$this->set_completed( $completed );
+
+		return $number_of_indexables_to_create;
+	}
+
+	/**
+	 * Returns the limited number of unimported objects.
+	 *
+	 * @param int $limit The maximum number of unimported objects to be returned.
+	 *
+	 * @return int|false The limited number of unindexed posts. False if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return 0;
+		}
+
+		$just_detect          = true;
+		$indexables_to_create = $this->wpdb->get_col( $this->query( $limit, $just_detect ) );
+
+		$number_of_indexables_to_create = \count( $indexables_to_create );
+		$completed                      = $number_of_indexables_to_create === 0;
+		$this->set_completed( $completed );
+
+		return $number_of_indexables_to_create;
+	}
+
+	/**
+	 * Imports AIOSEO meta data and creates the respective Yoast indexables and postmeta.
+	 *
+	 * @return Indexable[]|false An array of created indexables or false if aioseo data was not found.
+	 */
+	public function index() {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return false;
+		}
+
+		$limit              = $this->get_limit();
+		$aioseo_indexables  = $this->wpdb->get_results( $this->query( $limit ), \ARRAY_A );
+		$created_indexables = [];
+
+		$completed = \count( $aioseo_indexables ) === 0;
+		$this->set_completed( $completed );
+
+		// Let's build the list of fields to check their defaults, to identify whether we're gonna import AIOSEO data in the indexable or not.
+		$check_defaults_fields = [];
+		foreach ( $this->aioseo_to_yoast_map as $yoast_mapping ) {
+			// We don't want to check all the imported fields.
+			if ( ! \in_array( $yoast_mapping['yoast_name'], [ 'open_graph_image', 'twitter_image' ], true ) ) {
+				$check_defaults_fields[] = $yoast_mapping['yoast_name'];
+			}
+		}
+
+		$last_indexed_aioseo_id = 0;
+		foreach ( $aioseo_indexables as $aioseo_indexable ) {
+			$last_indexed_aioseo_id = $aioseo_indexable['id'];
+
+			$indexable = $this->indexable_repository->find_by_id_and_type( $aioseo_indexable['post_id'], 'post' );
+
+			// Let's ensure that the current post id represents something that we want to index (eg. *not* shop_order).
+			if ( ! \is_a( $indexable, 'Yoast\WP\SEO\Models\Indexable' ) ) {
+				continue;
+			}
+
+			if ( $this->indexable_helper->check_if_default_indexable( $indexable, $check_defaults_fields ) ) {
+				$indexable = $this->map( $indexable, $aioseo_indexable );
+				$indexable->save();
+
+				// To ensure that indexables can be rebuild after a reset, we have to store the data in the postmeta table too.
+				$this->indexable_to_postmeta->map_to_postmeta( $indexable );
+			}
+
+			$last_indexed_aioseo_id = $aioseo_indexable['id'];
+
+			$created_indexables[] = $indexable;
+		}
+
+		$cursor_id = $this->get_cursor_id();
+		$this->import_cursor->set_cursor( $cursor_id, $last_indexed_aioseo_id );
+
+		return $created_indexables;
+	}
+
+	// phpcs:enable WordPress.DB.PreparedSQL.NotPrepared
+
+	/**
+	 * Maps AIOSEO meta data to Yoast meta data.
+	 *
+	 * @param Indexable $indexable        The Yoast indexable.
+	 * @param array     $aioseo_indexable The AIOSEO indexable.
+	 *
+	 * @return Indexable The created indexables.
+	 */
+	public function map( $indexable, $aioseo_indexable ) {
+		foreach ( $this->aioseo_to_yoast_map as $aioseo_key => $yoast_mapping ) {
+			// For robots import.
+			if ( isset( $yoast_mapping['robots_import'] ) && $yoast_mapping['robots_import'] ) {
+				$yoast_mapping['subtype']                  = $indexable->object_sub_type;
+				$indexable->{$yoast_mapping['yoast_name']} = $this->transform_import_data( $yoast_mapping['transform_method'], $aioseo_indexable, $aioseo_key, $yoast_mapping, $indexable );
+
+				continue;
+			}
+
+			// For social images, like open graph and twitter image.
+			if ( isset( $yoast_mapping['social_image_import'] ) && $yoast_mapping['social_image_import'] ) {
+				$image_url = $this->transform_import_data( $yoast_mapping['transform_method'], $aioseo_indexable, $aioseo_key, $yoast_mapping, $indexable );
+
+				// Update the indexable's social image only where there's actually a url to import, so as not to lose the social images that we came up with when we originally built the indexable.
+				if ( ! empty( $image_url ) ) {
+					$indexable->{$yoast_mapping['yoast_name']} = $image_url;
+
+					$image_source_key             = $yoast_mapping['social_setting_prefix_yoast'] . 'image_source';
+					$indexable->$image_source_key = 'imported';
+
+					$image_id_key             = $yoast_mapping['social_setting_prefix_yoast'] . 'image_id';
+					$indexable->$image_id_key = $this->image->get_attachment_by_url( $image_url );
+
+					if ( $yoast_mapping['yoast_name'] === 'open_graph_image' ) {
+						$indexable->open_graph_image_meta = null;
+					}
+				}
+				continue;
+			}
+
+			// For twitter import, take the respective open graph data if the appropriate setting is enabled.
+			if ( isset( $yoast_mapping['twitter_import'] ) && $yoast_mapping['twitter_import'] && $aioseo_indexable['twitter_use_og'] ) {
+				$aioseo_indexable['twitter_title']       = $aioseo_indexable['og_title'];
+				$aioseo_indexable['twitter_description'] = $aioseo_indexable['og_description'];
+			}
+
+			if ( ! empty( $aioseo_indexable[ $aioseo_key ] ) ) {
+				$indexable->{$yoast_mapping['yoast_name']} = $this->transform_import_data( $yoast_mapping['transform_method'], $aioseo_indexable, $aioseo_key, $yoast_mapping, $indexable );
+			}
+		}
+
+		return $indexable;
+	}
+
+	/**
+	 * Transforms the data to be imported.
+	 *
+	 * @param string    $transform_method The method that is going to be used for transforming the data.
+	 * @param array     $aioseo_indexable The data of the AIOSEO indexable data that is being imported.
+	 * @param string    $aioseo_key       The name of the specific set of data that is going to be transformed.
+	 * @param array     $yoast_mapping    Extra details for the import of the specific data that is going to be transformed.
+	 * @param Indexable $indexable        The Yoast indexable that we are going to import the transformed data into.
+	 *
+	 * @return string|bool|null The transformed data to be imported.
+	 */
+	protected function transform_import_data( $transform_method, $aioseo_indexable, $aioseo_key, $yoast_mapping, $indexable ) {
+		return \call_user_func( [ $this, $transform_method ], $aioseo_indexable, $aioseo_key, $yoast_mapping, $indexable );
+	}
+
+	/**
+	 * Returns the number of objects that will be imported in a single importing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_aioseo_post_indexation_limit' - Allow filtering the number of posts indexed during each indexing pass.
+		 *
+		 * @api int The maximum number of posts indexed.
+		 */
+		$limit = \apply_filters( 'wpseo_aioseo_post_indexation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+
+	/**
+	 * Populates the needed data array based on which columns we use from the AIOSEO indexable table.
+	 *
+	 * @return array The needed data array that contains all the needed columns.
+	 */
+	public function get_needed_data() {
+		$needed_data = \array_keys( $this->aioseo_to_yoast_map );
+		\array_push( $needed_data, 'id', 'post_id', 'robots_default', 'og_image_custom_url', 'og_image_type', 'twitter_image_custom_url', 'twitter_image_type', 'twitter_use_og' );
+
+		return $needed_data;
+	}
+
+	/**
+	 * Populates the needed robot data array to be used in validating against its structure.
+	 *
+	 * @return array The needed data array that contains all the needed columns.
+	 */
+	public function get_needed_robot_data() {
+		$needed_robot_data = [];
+
+		foreach ( $this->aioseo_to_yoast_map as $yoast_mapping ) {
+			if ( isset( $yoast_mapping['robot_type'] ) ) {
+				$needed_robot_data[] = $yoast_mapping['robot_type'];
+			}
+		}
+
+		return $needed_robot_data;
+	}
+
+	/**
+	 * Creates a query for gathering AiOSEO data from the database.
+	 *
+	 * @param int  $limit       The maximum number of unimported objects to be returned.
+	 * @param bool $just_detect Whether we want to just detect if there are unimported objects. If false, we want to actually import them too.
+	 *
+	 * @return string The query to use for importing or counting the number of items to import.
+	 */
+	public function query( $limit = false, $just_detect = false ) {
+		$table = $this->aioseo_helper->get_table();
+
+		$select_statement = 'id';
+		if ( ! $just_detect ) {
+			// If we want to import too, we need the actual needed data from AIOSEO indexables.
+			$needed_data = $this->get_needed_data();
+
+			$select_statement = \implode( ', ', $needed_data );
+		}
+
+		$cursor_id = $this->get_cursor_id();
+		$cursor    = $this->import_cursor->get_cursor( $cursor_id );
+
+		/**
+		 * Filter 'wpseo_aioseo_post_cursor' - Allow filtering the value of the aioseo post import cursor.
+		 *
+		 * @api int The value of the aioseo post import cursor.
+		 */
+		$cursor = \apply_filters( 'wpseo_aioseo_post_import_cursor', $cursor );
+
+		$replacements = [ $cursor ];
+
+		$limit_statement = '';
+		if ( ! empty( $limit ) ) {
+			$replacements[]  = $limit;
+			$limit_statement = ' LIMIT %d';
+		}
+
+		// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Reason: There is no unescaped user input.
+		return $this->wpdb->prepare(
+			"SELECT {$select_statement} FROM {$table} WHERE id > %d ORDER BY id{$limit_statement}",
+			$replacements
+		);
+		// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
+	}
+
+	/**
+	 * Minimally transforms data to be imported.
+	 *
+	 * @param array  $aioseo_data All of the AIOSEO data to be imported.
+	 * @param string $aioseo_key  The AIOSEO key that contains the setting we're working with.
+	 *
+	 * @return string The transformed meta data.
+	 */
+	public function simple_import_post( $aioseo_data, $aioseo_key ) {
+		return $this->simple_import( $aioseo_data[ $aioseo_key ] );
+	}
+
+	/**
+	 * Transforms URL to be imported.
+	 *
+	 * @param array  $aioseo_data All of the AIOSEO data to be imported.
+	 * @param string $aioseo_key  The AIOSEO key that contains the setting we're working with.
+	 *
+	 * @return string The transformed URL.
+	 */
+	public function url_import_post( $aioseo_data, $aioseo_key ) {
+		return $this->url_import( $aioseo_data[ $aioseo_key ] );
+	}
+
+	/**
+	 * Plucks the keyphrase to be imported from the AIOSEO array of keyphrase meta data.
+	 *
+	 * @param array  $aioseo_data All of the AIOSEO data to be imported.
+	 * @param string $aioseo_key  The AIOSEO key that contains the setting we're working with, aka keyphrases.
+	 *
+	 * @return string|null The plucked keyphrase.
+	 */
+	public function keyphrase_import( $aioseo_data, $aioseo_key ) {
+		$meta_data = \json_decode( $aioseo_data[ $aioseo_key ], true );
+		if ( ! isset( $meta_data['focus']['keyphrase'] ) ) {
+			return null;
+		}
+
+		return $this->sanitization->sanitize_text_field( $meta_data['focus']['keyphrase'] );
+	}
+
+	/**
+	 * Imports the post's noindex setting.
+	 *
+	 * @param bool $aioseo_robots_settings AIOSEO's set of robot settings for the post.
+	 *
+	 * @return bool|null The value of Yoast's noindex setting for the post.
+	 */
+	public function post_robots_noindex_import( $aioseo_robots_settings ) {
+		// If robot settings defer to default settings, we have null in the is_robots_noindex field.
+		if ( $aioseo_robots_settings['robots_default'] ) {
+			return null;
+		}
+
+		return $aioseo_robots_settings['robots_noindex'];
+	}
+
+	/**
+	 * Imports the post's robots setting.
+	 *
+	 * @param bool   $aioseo_robots_settings AIOSEO's set of robot settings for the post.
+	 * @param string $aioseo_key             The AIOSEO key that contains the robot setting we're working with.
+	 * @param array  $mapping                The mapping of the setting we're working with.
+	 *
+	 * @return bool|null The value of Yoast's noindex setting for the post.
+	 */
+	public function post_general_robots_import( $aioseo_robots_settings, $aioseo_key, $mapping ) {
+		$mapping = $this->enhance_mapping( $mapping );
+
+		if ( $aioseo_robots_settings['robots_default'] ) {
+			// Let's first get the subtype's setting value and then transform it taking into consideration whether it defers to global defaults.
+			$subtype_setting = $this->robots_provider->get_subtype_robot_setting( $mapping );
+			return $this->robots_transformer->transform_robot_setting( $mapping['robot_type'], $subtype_setting, $mapping );
+		}
+
+		return $aioseo_robots_settings[ $aioseo_key ];
+	}
+
+	/**
+	 * Enhances the mapping of the setting we're working with, with type and the option name, so that we can retrieve the settings for the object we're working with.
+	 *
+	 * @param array $mapping The mapping of the setting we're working with.
+	 *
+	 * @return array The enhanced mapping.
+	 */
+	public function enhance_mapping( $mapping = [] ) {
+		$mapping['type']        = 'postTypes';
+		$mapping['option_name'] = 'aioseo_options_dynamic';
+
+		return $mapping;
+	}
+
+	/**
+	 * Imports the og and twitter image url.
+	 *
+	 * @param bool      $aioseo_social_image_settings AIOSEO's set of social image settings for the post.
+	 * @param string    $aioseo_key                   The AIOSEO key that contains the robot setting we're working with.
+	 * @param array     $mapping                      The mapping of the setting we're working with.
+	 * @param Indexable $indexable                    The Yoast indexable we're importing into.
+	 *
+	 * @return bool|null The url of the social image we're importing, null if there's none.
+	 */
+	public function social_image_url_import( $aioseo_social_image_settings, $aioseo_key, $mapping, $indexable ) {
+		if ( $mapping['social_setting_prefix_aioseo'] === 'twitter_' && $aioseo_social_image_settings['twitter_use_og'] ) {
+			$mapping['social_setting_prefix_aioseo'] = 'og_';
+		}
+
+		$social_setting = \rtrim( $mapping['social_setting_prefix_aioseo'], '_' );
+
+		$image_type = $aioseo_social_image_settings[ $mapping['social_setting_prefix_aioseo'] . 'image_type' ];
+
+		if ( $image_type === 'default' ) {
+			$image_type = $this->social_images_provider->get_default_social_image_source( $social_setting );
+		}
+
+		switch ( $image_type ) {
+			case 'attach':
+				$image_url = $this->social_images_provider->get_first_attached_image( $indexable->object_id );
+				break;
+			case 'auto':
+				if ( $this->social_images_provider->get_featured_image( $indexable->object_id ) ) {
+					// If there's a featured image, lets not import it, as our indexable calculation has already set that as active social image. That way we achieve dynamicality.
+					return null;
+				}
+				$image_url = $this->social_images_provider->get_auto_image( $indexable->object_id );
+				break;
+			case 'content':
+				$image_url = $this->social_images_provider->get_first_image_in_content( $indexable->object_id );
+				break;
+			case 'custom_image':
+				$image_url = $aioseo_social_image_settings[ $mapping['social_setting_prefix_aioseo'] . 'image_custom_url' ];
+				break;
+			case 'featured':
+				return null; // Our auto-calculation when the indexable was built/updated has taken care of it, so it's not needed to transfer any data now.
+			case 'author':
+				return null;
+			case 'custom':
+				return null;
+			case 'default':
+				$image_url = $this->social_images_provider->get_default_custom_social_image( $social_setting );
+				break;
+			default:
+				$image_url = $aioseo_social_image_settings[ $mapping['social_setting_prefix_aioseo'] . 'image_url' ];
+				break;
+		}
+
+		if ( empty( $image_url ) ) {
+			$image_url = $this->social_images_provider->get_default_custom_social_image( $social_setting );
+		}
+
+		if ( empty( $image_url ) ) {
+			return null;
+		}
+
+		return $this->sanitization->sanitize_url( $image_url, null );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-posttype-defaults-settings-importing-action.php

@@ -0,0 +1,99 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+/**
+ * Importing action for AIOSEO posttype defaults settings data.
+ *
+ * @phpcs:disable Yoast.NamingConventions.ObjectNameDepth.MaxExceeded
+ */
+class Aioseo_Posttype_Defaults_Settings_Importing_Action extends Abstract_Aioseo_Settings_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'posttype_default_settings';
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = 'aioseo_options_dynamic';
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = 'postTypes';
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	protected function build_mapping() {
+		$post_type_objects = \get_post_types( [ 'public' => true ], 'objects' );
+
+		foreach ( $post_type_objects as $pt ) {
+			// Use all the custom post types that are public.
+			$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/title' ]                       = [
+				'yoast_name'       => 'title-' . $pt->name,
+				'transform_method' => 'simple_import',
+			];
+			$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/metaDescription' ]             = [
+				'yoast_name'       => 'metadesc-' . $pt->name,
+				'transform_method' => 'simple_import',
+			];
+			$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/advanced/showMetaBox' ]        = [
+				'yoast_name'       => 'display-metabox-pt-' . $pt->name,
+				'transform_method' => 'simple_boolean_import',
+			];
+			$this->aioseo_options_to_yoast_map[ '/' . $pt->name . '/advanced/robotsMeta/noindex' ] = [
+				'yoast_name'       => 'noindex-' . $pt->name,
+				'transform_method' => 'import_noindex',
+				'type'             => 'postTypes',
+				'subtype'          => $pt->name,
+				'option_name'      => 'aioseo_options_dynamic',
+			];
+
+			if ( $pt->name === 'attachment' ) {
+				$this->aioseo_options_to_yoast_map['/attachment/redirectAttachmentUrls'] = [
+					'yoast_name'       => 'disable-attachment',
+					'transform_method' => 'import_redirect_attachment',
+				];
+			}
+		}
+	}
+
+	/**
+	 * Transforms the redirect_attachment setting.
+	 *
+	 * @param string $redirect_attachment The redirect_attachment setting.
+	 *
+	 * @return bool The transformed redirect_attachment setting.
+	 */
+	public function import_redirect_attachment( $redirect_attachment ) {
+		switch ( $redirect_attachment ) {
+			case 'disabled':
+				return false;
+
+			case 'attachment':
+			case 'attachment_parent':
+			default:
+				return true;
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-taxonomy-settings-importing-action.php

@@ -0,0 +1,108 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+/**
+ * Importing action for AIOSEO taxonomies settings data.
+ */
+class Aioseo_Taxonomy_Settings_Importing_Action extends Abstract_Aioseo_Settings_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'taxonomy_settings';
+
+	/**
+	 * The option_name of the AIOSEO option that contains the settings.
+	 */
+	const SOURCE_OPTION_NAME = 'aioseo_options_dynamic';
+
+	/**
+	 * The map of aioseo_options to yoast settings.
+	 *
+	 * @var array
+	 */
+	protected $aioseo_options_to_yoast_map = [];
+
+	/**
+	 * The tab of the aioseo settings we're working with.
+	 *
+	 * @var string
+	 */
+	protected $settings_tab = 'taxonomies';
+
+	/**
+	 * Additional mapping between AiOSEO replace vars and Yoast replace vars.
+	 *
+	 * @var array
+	 *
+	 * @see https://yoast.com/help/list-available-snippet-variables-yoast-seo/
+	 */
+	protected $replace_vars_edited_map = [
+		'#breadcrumb_404_error_format'         => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_archive_post_type_format' => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_archive_post_type_name'   => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_author_display_name'      => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_author_first_name'        => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_blog_page_title'          => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_label'                    => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_link'                     => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_search_result_format'     => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_search_string'            => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_separator'                => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#breadcrumb_taxonomy_title'           => '', // Empty string, as AIOSEO shows nothing for that tag.
+		'#taxonomy_title'                      => '%%term_title%%',
+	];
+
+	/**
+	 * Builds the mapping that ties AOISEO option keys with Yoast ones and their data transformation method.
+	 *
+	 * @return void
+	 */
+	protected function build_mapping() {
+		$taxonomy_objects = \get_taxonomies( [ 'public' => true ], 'object' );
+
+		foreach ( $taxonomy_objects as $tax ) {
+			// Use all the public taxonomies.
+			$this->aioseo_options_to_yoast_map[ '/' . $tax->name . '/title' ]                       = [
+				'yoast_name'       => 'title-tax-' . $tax->name,
+				'transform_method' => 'simple_import',
+			];
+			$this->aioseo_options_to_yoast_map[ '/' . $tax->name . '/metaDescription' ]             = [
+				'yoast_name'       => 'metadesc-tax-' . $tax->name,
+				'transform_method' => 'simple_import',
+			];
+			$this->aioseo_options_to_yoast_map[ '/' . $tax->name . '/advanced/robotsMeta/noindex' ] = [
+				'yoast_name'       => 'noindex-tax-' . $tax->name,
+				'transform_method' => 'import_noindex',
+				'type'             => 'taxonomies',
+				'subtype'          => $tax->name,
+				'option_name'      => 'aioseo_options_dynamic',
+			];
+		}
+	}
+
+	/**
+	 * Returns a setting map of the robot setting for post category taxonomies.
+	 *
+	 * @return array The setting map of the robot setting for post category taxonomies.
+	 */
+	public function pluck_robot_setting_from_mapping() {
+		$this->build_mapping();
+
+		foreach ( $this->aioseo_options_to_yoast_map as $setting ) {
+			// Return the first archive setting map.
+			if ( $setting['transform_method'] === 'import_noindex' && isset( $setting['subtype'] ) && $setting['subtype'] === 'category' ) {
+				return $setting;
+			}
+		}
+
+		return [];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/aioseo/aioseo-validate-data-action.php

@@ -0,0 +1,255 @@
+<?php
+
+// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Given it's a very specific case.
+namespace Yoast\WP\SEO\Actions\Importing\Aioseo;
+
+use wpdb;
+use Yoast\WP\SEO\Actions\Importing\Abstract_Aioseo_Importing_Action;
+use Yoast\WP\SEO\Exceptions\Importing\Aioseo_Validation_Exception;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Importing action for validating AIOSEO data before the import occurs.
+ */
+class Aioseo_Validate_Data_Action extends Abstract_Aioseo_Importing_Action {
+
+	/**
+	 * The plugin of the action.
+	 */
+	const PLUGIN = 'aioseo';
+
+	/**
+	 * The type of the action.
+	 */
+	const TYPE = 'validate_data';
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * The Post Importing action.
+	 *
+	 * @var Aioseo_Posts_Importing_Action
+	 */
+	protected $post_importing_action;
+
+	/**
+	 * The settings importing actions.
+	 *
+	 * @var array
+	 */
+	protected $settings_importing_actions;
+
+	/**
+	 * Class constructor.
+	 *
+	 * @param wpdb                                               $wpdb                              The WordPress database instance.
+	 * @param Options_Helper                                     $options                           The options helper.
+	 * @param Aioseo_Custom_Archive_Settings_Importing_Action    $custom_archive_action             The Custom Archive Settings importing action.
+	 * @param Aioseo_Default_Archive_Settings_Importing_Action   $default_archive_action            The Default Archive Settings importing action.
+	 * @param Aioseo_General_Settings_Importing_Action           $general_settings_action           The General Settings importing action.
+	 * @param Aioseo_Posttype_Defaults_Settings_Importing_Action $posttype_defaults_settings_action The Posttype Defaults Settings importing action.
+	 * @param Aioseo_Taxonomy_Settings_Importing_Action          $taxonomy_settings_action          The Taxonomy Settings importing action.
+	 * @param Aioseo_Posts_Importing_Action                      $post_importing_action             The Post importing action.
+	 */
+	public function __construct(
+		wpdb $wpdb,
+		Options_Helper $options,
+		Aioseo_Custom_Archive_Settings_Importing_Action $custom_archive_action,
+		Aioseo_Default_Archive_Settings_Importing_Action $default_archive_action,
+		Aioseo_General_Settings_Importing_Action $general_settings_action,
+		Aioseo_Posttype_Defaults_Settings_Importing_Action $posttype_defaults_settings_action,
+		Aioseo_Taxonomy_Settings_Importing_Action $taxonomy_settings_action,
+		Aioseo_Posts_Importing_Action $post_importing_action
+	) {
+		$this->wpdb                       = $wpdb;
+		$this->options                    = $options;
+		$this->post_importing_action      = $post_importing_action;
+		$this->settings_importing_actions = [
+			$custom_archive_action,
+			$default_archive_action,
+			$general_settings_action,
+			$posttype_defaults_settings_action,
+			$taxonomy_settings_action,
+		];
+	}
+
+	/**
+	 * Just checks if the action has been completed in the past.
+	 *
+	 * @return int 1 if it hasn't been completed in the past, 0 if it has.
+	 */
+	public function get_total_unindexed() {
+		return ( ! $this->get_completed() ) ? 1 : 0;
+	}
+
+	/**
+	 * Just checks if the action has been completed in the past.
+	 *
+	 * @param int $limit The maximum number of unimported objects to be returned. Not used, exists to comply with the interface.
+	 *
+	 * @return int 1 if it hasn't been completed in the past, 0 if it has.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		return ( ! $this->get_completed() ) ? 1 : 0;
+	}
+
+	/**
+	 * Validates AIOSEO data.
+	 *
+	 * @return array An array of validated data or false if aioseo data did not pass validation.
+	 *
+	 * @throws Aioseo_Validation_Exception If the validation fails.
+	 */
+	public function index() {
+		if ( $this->get_completed() ) {
+			return [];
+		}
+
+		$validated_aioseo_table    = $this->validate_aioseo_table();
+		$validated_aioseo_settings = $this->validate_aioseo_settings();
+		$validated_robot_settings  = $this->validate_robot_settings();
+
+		if ( $validated_aioseo_table === false || $validated_aioseo_settings === false || $validated_robot_settings === false ) {
+			throw new Aioseo_Validation_Exception();
+		}
+
+		$this->set_completed( true );
+
+		return [
+			'validated_aioseo_table'    => $validated_aioseo_table,
+			'validated_aioseo_settings' => $validated_aioseo_settings,
+			'validated_robot_settings'  => $validated_robot_settings,
+		];
+	}
+
+	/**
+	 * Validates the AIOSEO indexable table.
+	 *
+	 * @return bool Whether the AIOSEO table exists and has the structure we expect.
+	 */
+	public function validate_aioseo_table() {
+		if ( ! $this->aioseo_helper->aioseo_exists() ) {
+			return false;
+		}
+
+		$table       = $this->aioseo_helper->get_table();
+		$needed_data = $this->post_importing_action->get_needed_data();
+
+		$aioseo_columns = $this->wpdb->get_col(
+			"SHOW COLUMNS FROM {$table}", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Reason: There is no unescaped user input.
+			0
+		);
+
+		return $needed_data === \array_intersect( $needed_data, $aioseo_columns );
+	}
+
+	/**
+	 * Validates the AIOSEO settings from the options table.
+	 *
+	 * @return bool Whether the AIOSEO settings from the options table exist and have the structure we expect.
+	 */
+	public function validate_aioseo_settings() {
+		foreach ( $this->settings_importing_actions as $settings_import_action ) {
+			$aioseo_settings = \json_decode( \get_option( $settings_import_action->get_source_option_name(), '' ), true );
+
+			if ( ! $settings_import_action->isset_settings_tab( $aioseo_settings ) ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Validates the AIOSEO robots settings from the options table.
+	 *
+	 * @return bool Whether the AIOSEO robots settings from the options table exist and have the structure we expect.
+	 */
+	public function validate_robot_settings() {
+		if ( $this->validate_post_robot_settings() && $this->validate_default_robot_settings() ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Validates the post AIOSEO robots settings from the options table.
+	 *
+	 * @return bool Whether the post AIOSEO robots settings from the options table exist and have the structure we expect.
+	 */
+	public function validate_post_robot_settings() {
+		$post_robot_mapping = $this->post_importing_action->enhance_mapping();
+		// We're gonna validate against posttype robot settings only for posts, assuming the robot settings stay the same for other post types.
+		$post_robot_mapping['subtype'] = 'post';
+
+		// Let's get both the aioseo_options and the aioseo_options_dynamic options.
+		$aioseo_global_settings = $this->aioseo_helper->get_global_option();
+		$aioseo_posts_settings  = \json_decode( \get_option( $post_robot_mapping['option_name'], '' ), true );
+
+		$needed_robots_data = $this->post_importing_action->get_needed_robot_data();
+		\array_push( $needed_robots_data, 'default', 'noindex' );
+
+		foreach ( $needed_robots_data as $robot_setting ) {
+			// Validate against global settings.
+			if ( ! isset( $aioseo_global_settings['searchAppearance']['advanced']['globalRobotsMeta'][ $robot_setting ] ) ) {
+				return false;
+			}
+
+			// Validate against posttype settings.
+			if ( ! isset( $aioseo_posts_settings['searchAppearance'][ $post_robot_mapping['type'] ][ $post_robot_mapping['subtype'] ]['advanced']['robotsMeta'][ $robot_setting ] ) ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Validates the default AIOSEO robots settings for search appearance settings from the options table.
+	 *
+	 * @return bool Whether the AIOSEO robots settings for search appearance settings from the options table exist and have the structure we expect.
+	 */
+	public function validate_default_robot_settings() {
+
+		foreach ( $this->settings_importing_actions as $settings_import_action ) {
+			$robot_setting_map = $settings_import_action->pluck_robot_setting_from_mapping();
+
+			// Some actions return empty robot settings, let's not validate against those.
+			if ( ! empty( $robot_setting_map ) ) {
+				$aioseo_settings = \json_decode( \get_option( $robot_setting_map['option_name'], '' ), true );
+
+				if ( ! isset( $aioseo_settings['searchAppearance'][ $robot_setting_map['type'] ][ $robot_setting_map['subtype'] ]['advanced']['robotsMeta']['default'] ) ) {
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Used nowhere. Exists to comply with the interface.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_aioseo_cleanup_limit' - Allow filtering the number of validations during each action pass.
+		 *
+		 * @api int The maximum number of validations.
+		 */
+		$limit = \apply_filters( 'wpseo_aioseo_validation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/deactivate-conflicting-plugins-action.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Importing;
+
+use Yoast\WP\SEO\Conditionals\Updated_Importer_Framework_Conditional;
+use Yoast\WP\SEO\Config\Conflicting_Plugins;
+use Yoast\WP\SEO\Helpers\Import_Cursor_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Sanitization_Helper;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Replacevar_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Provider_Service;
+use Yoast\WP\SEO\Services\Importing\Aioseo\Aioseo_Robots_Transformer_Service;
+use Yoast\WP\SEO\Services\Importing\Conflicting_Plugins_Service;
+
+/**
+ * Deactivates plug-ins that cause conflicts with Yoast SEO.
+ */
+class Deactivate_Conflicting_Plugins_Action extends Abstract_Aioseo_Importing_Action {
+
+	/**
+	 * The plugin the class deals with.
+	 *
+	 * @var string
+	 */
+	const PLUGIN = 'conflicting-plugins';
+
+	/**
+	 * The type the class deals with.
+	 *
+	 * @var string
+	 */
+	const TYPE = 'deactivation';
+
+	/**
+	 * The replacevar handler.
+	 *
+	 * @var Aioseo_Replacevar_Service
+	 */
+	protected $replacevar_handler;
+
+	/**
+	 * Knows all plugins that might possibly conflict.
+	 *
+	 * @var Conflicting_Plugins_Service
+	 */
+	protected $conflicting_plugins;
+
+	/**
+	 * The list of conflicting plugins
+	 *
+	 * @var array
+	 */
+	protected $detected_plugins;
+
+	/**
+	 * Class constructor.
+	 *
+	 * @param Import_Cursor_Helper              $import_cursor               The import cursor helper.
+	 * @param Options_Helper                    $options                     The options helper.
+	 * @param Sanitization_Helper               $sanitization                The sanitization helper.
+	 * @param Aioseo_Replacevar_Service         $replacevar_handler          The replacevar handler.
+	 * @param Aioseo_Robots_Provider_Service    $robots_provider             The robots provider service.
+	 * @param Aioseo_Robots_Transformer_Service $robots_transformer          The robots transfomer service.
+	 * @param Conflicting_Plugins_Service       $conflicting_plugins_service The Conflicting plugins Service.
+	 */
+	public function __construct(
+		Import_Cursor_Helper $import_cursor,
+		Options_Helper $options,
+		Sanitization_Helper $sanitization,
+		Aioseo_Replacevar_Service $replacevar_handler,
+		Aioseo_Robots_Provider_Service $robots_provider,
+		Aioseo_Robots_Transformer_Service $robots_transformer,
+		Conflicting_Plugins_Service $conflicting_plugins_service
+	) {
+		parent::__construct( $import_cursor, $options, $sanitization, $replacevar_handler, $robots_provider, $robots_transformer );
+
+		$this->conflicting_plugins = $conflicting_plugins_service;
+		$this->detected_plugins    = [];
+	}
+
+	/**
+	 * Get the total number of conflicting plugins.
+	 */
+	public function get_total_unindexed() {
+		return \count( $this->get_detected_plugins() );
+	}
+
+	/**
+	 * Returns whether the updated importer framework is enabled.
+	 *
+	 * @return bool True if the updated importer framework is enabled.
+	 */
+	public function is_enabled() {
+		$updated_importer_framework_conditional = \YoastSEO()->classes->get( Updated_Importer_Framework_Conditional::class );
+
+		return $updated_importer_framework_conditional->is_met();
+	}
+
+	/**
+	 * Deactivate conflicting plugins.
+	 */
+	public function index() {
+		$detected_plugins = $this->get_detected_plugins();
+		$this->conflicting_plugins->deactivate_conflicting_plugins( $detected_plugins );
+
+		// We need to conform to the interface, so we report that no indexables were created.
+		return [];
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function get_limit() {
+		return \count( Conflicting_Plugins::all_plugins() );
+	}
+
+	/**
+	 * Returns the total number of unindexed objects up to a limit.
+	 *
+	 * @param int $limit The maximum.
+	 *
+	 * @return int The total number of unindexed objects.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		$count = \count( $this->get_detected_plugins() );
+		return ( $count <= $limit ) ? $count : $limit;
+	}
+
+	/**
+	 * Returns all detected plugins.
+	 *
+	 * @return array The detected plugins.
+	 */
+	protected function get_detected_plugins() {
+		// The active plugins won't change much. We can reuse the result for the duration of the request.
+		if ( \count( $this->detected_plugins ) < 1 ) {
+			$this->detected_plugins = $this->conflicting_plugins->detect_conflicting_plugins();
+		}
+		return $this->detected_plugins;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/importing-action-interface.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Importing;
+
+use Yoast\WP\SEO\Actions\Indexing\Limited_Indexing_Action_Interface;
+
+interface Importing_Action_Interface extends Importing_Indexation_Action_Interface, Limited_Indexing_Action_Interface {
+
+	/**
+	 * Returns the name of the plugin we import from.
+	 *
+	 * @return string The plugin name.
+	 */
+	public function get_plugin();
+
+	/**
+	 * Returns the type of data we import.
+	 *
+	 * @return string The type of data.
+	 */
+	public function get_type();
+
+	/**
+	 * Whether or not this action is capable of importing given a specific plugin and type.
+	 *
+	 * @param string|null $plugin The name of the plugin being imported.
+	 * @param string|null $type   The component of the plugin being imported.
+	 *
+	 * @return bool True if the action can import the given plugin's data of the given type.
+	 */
+	public function is_compatible_with( $plugin = null, $type = null );
+}

wp/wp-content/plugins/wordpress-seo/src/actions/importing/importing-indexation-action-interface.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Importing;
+
+/**
+ * Interface definition of reindexing action for indexables.
+ */
+interface Importing_Indexation_Action_Interface {
+
+	/**
+	 * Returns the total number of unindexed objects.
+	 *
+	 * @return int The total number of unindexed objects.
+	 */
+	public function get_total_unindexed();
+
+	/**
+	 * Indexes a number of objects.
+	 *
+	 * NOTE: ALWAYS use limits, this method is intended to be called multiple times over several requests.
+	 *
+	 * For indexing that requires JavaScript simply return the objects that should be indexed.
+	 *
+	 * @return array The reindexed objects.
+	 */
+	public function index();
+
+	/**
+	 * Returns the number of objects that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit();
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexables/indexable-head-action.php

@@ -0,0 +1,174 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexables;
+
+use Yoast\WP\SEO\Surfaces\Meta_Surface;
+use Yoast\WP\SEO\Surfaces\Values\Meta;
+
+/**
+ * Get head action for indexables.
+ */
+class Indexable_Head_Action {
+
+	/**
+	 * Caches the output.
+	 *
+	 * @var mixed
+	 */
+	protected $cache;
+
+	/**
+	 * The meta surface.
+	 *
+	 * @var Meta_Surface
+	 */
+	private $meta_surface;
+
+	/**
+	 * Indexable_Head_Action constructor.
+	 *
+	 * @param Meta_Surface $meta_surface The meta surface.
+	 */
+	public function __construct( Meta_Surface $meta_surface ) {
+		$this->meta_surface = $meta_surface;
+	}
+
+	/**
+	 * Retrieves the head for a url.
+	 *
+	 * @param string $url The url to get the head for.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_url( $url ) {
+		if ( $url === \trailingslashit( \get_home_url() ) ) {
+			return $this->with_404_fallback( $this->with_cache( 'home_page' ) );
+		}
+		return $this->with_404_fallback( $this->with_cache( 'url', $url ) );
+	}
+
+	/**
+	 * Retrieves the head for a post.
+	 *
+	 * @param int $id The id.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_post( $id ) {
+		return $this->with_404_fallback( $this->with_cache( 'post', $id ) );
+	}
+
+	/**
+	 * Retrieves the head for a term.
+	 *
+	 * @param int $id The id.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_term( $id ) {
+		return $this->with_404_fallback( $this->with_cache( 'term', $id ) );
+	}
+
+	/**
+	 * Retrieves the head for an author.
+	 *
+	 * @param int $id The id.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_author( $id ) {
+		return $this->with_404_fallback( $this->with_cache( 'author', $id ) );
+	}
+
+	/**
+	 * Retrieves the head for a post type archive.
+	 *
+	 * @param int $type The id.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_post_type_archive( $type ) {
+		return $this->with_404_fallback( $this->with_cache( 'post_type_archive', $type ) );
+	}
+
+	/**
+	 * Retrieves the head for the posts page.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_posts_page() {
+		return $this->with_404_fallback( $this->with_cache( 'posts_page' ) );
+	}
+
+	/**
+	 * Retrieves the head for the 404 page. Always sets the status to 404.
+	 *
+	 * @return object Object with head and status properties.
+	 */
+	public function for_404() {
+		$meta = $this->with_cache( '404' );
+
+		if ( ! $meta ) {
+			return (object) [
+				'html'   => '',
+				'json'   => [],
+				'status' => 404,
+			];
+		}
+
+		$head = $meta->get_head();
+
+		return (object) [
+			'html'   => $head->html,
+			'json'   => $head->json,
+			'status' => 404,
+		];
+	}
+
+	/**
+	 * Retrieves the head for a successful page load.
+	 *
+	 * @param object $head The calculated Yoast head.
+	 *
+	 * @return object The presentations and status code 200.
+	 */
+	protected function for_200( $head ) {
+		return (object) [
+			'html'   => $head->html,
+			'json'   => $head->json,
+			'status' => 200,
+		];
+	}
+
+	/**
+	 * Returns the head with 404 fallback
+	 *
+	 * @param Meta|false $meta The meta object.
+	 *
+	 * @return object The head response.
+	 */
+	protected function with_404_fallback( $meta ) {
+		if ( $meta === false ) {
+			return $this->for_404();
+		}
+		else {
+			return $this->for_200( $meta->get_head() );
+		}
+	}
+
+	/**
+	 * Retrieves a value from the meta surface cached.
+	 *
+	 * @param string $type     The type of value to retrieve.
+	 * @param string $argument Optional. The argument for the value.
+	 *
+	 * @return Meta The meta object.
+	 */
+	protected function with_cache( $type, $argument = '' ) {
+		if ( ! isset( $this->cache[ $type ][ $argument ] ) ) {
+			$this->cache[ $type ][ $argument ] = \call_user_func( [ $this->meta_surface, "for_$type" ], $argument );
+		}
+
+		return $this->cache[ $type ][ $argument ];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/abstract-indexing-action.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+/**
+ * Base class of indexing actions.
+ */
+abstract class Abstract_Indexing_Action implements Indexation_Action_Interface, Limited_Indexing_Action_Interface {
+
+	/**
+	 * The transient name.
+	 *
+	 * This is a trick to force derived classes to define a transient themselves.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = null;
+
+	/**
+	 * The transient cache key for limited counts.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
+
+	/**
+	 * Builds a query for selecting the ID's of unindexed posts.
+	 *
+	 * @param bool $limit The maximum number of post IDs to return.
+	 *
+	 * @return string The prepared query string.
+	 */
+	abstract protected function get_select_query( $limit );
+
+	/**
+	 * Builds a query for counting the number of unindexed posts.
+	 *
+	 * @return string The prepared query string.
+	 */
+	abstract protected function get_count_query();
+
+	/**
+	 * Returns a limited number of unindexed posts.
+	 *
+	 * @param int $limit Limit the maximum number of unindexed posts that are counted.
+	 *
+	 * @return int The limited number of unindexed posts. 0 if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		$transient = \get_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT );
+		if ( $transient !== false ) {
+			return (int) $transient;
+		}
+
+		\set_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT, 0, ( \MINUTE_IN_SECONDS * 15 ) );
+
+		$query = $this->get_select_query( $limit );
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_count_query returns a prepared query.
+		$unindexed_object_ids = $this->wpdb->get_col( $query );
+		$count                = (int) \count( $unindexed_object_ids );
+
+		\set_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT, $count, ( \MINUTE_IN_SECONDS * 15 ) );
+
+		return $count;
+	}
+
+	/**
+	 * Returns the total number of unindexed posts.
+	 *
+	 * @return int|false The total number of unindexed posts. False if the query fails.
+	 */
+	public function get_total_unindexed() {
+		$transient = \get_transient( static::UNINDEXED_COUNT_TRANSIENT );
+		if ( $transient !== false ) {
+			return (int) $transient;
+		}
+
+		// Store transient before doing the query so multiple requests won't make multiple queries.
+		// Only store this for 15 minutes to ensure that if the query doesn't complete a wrong count is not kept too long.
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, 0, ( \MINUTE_IN_SECONDS * 15 ) );
+
+		$query = $this->get_count_query();
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_count_query returns a prepared query.
+		$count = $this->wpdb->get_var( $query );
+
+		if ( \is_null( $count ) ) {
+			return false;
+		}
+
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, $count, \DAY_IN_SECONDS );
+
+		/**
+		 * Action: 'wpseo_indexables_unindexed_calculated' - sets an option to timestamp when there are no unindexed indexables left.
+		 *
+		 * @internal
+		 */
+		\do_action( 'wpseo_indexables_unindexed_calculated', static::UNINDEXED_COUNT_TRANSIENT, $count );
+
+		return (int) $count;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/abstract-link-indexing-action.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use wpdb;
+use Yoast\WP\SEO\Builders\Indexable_Link_Builder;
+use Yoast\WP\SEO\Models\SEO_Links;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+
+/**
+ * Reindexing action for link indexables.
+ */
+abstract class Abstract_Link_Indexing_Action extends Abstract_Indexing_Action {
+
+	/**
+	 * The link builder.
+	 *
+	 * @var Indexable_Link_Builder
+	 */
+	protected $link_builder;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $repository;
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * Indexable_Post_Indexing_Action constructor
+	 *
+	 * @param Indexable_Link_Builder $link_builder The indexable link builder.
+	 * @param Indexable_Repository   $repository   The indexable repository.
+	 * @param wpdb                   $wpdb         The WordPress database instance.
+	 */
+	public function __construct(
+		Indexable_Link_Builder $link_builder,
+		Indexable_Repository $repository,
+		wpdb $wpdb
+	) {
+		$this->link_builder = $link_builder;
+		$this->repository   = $repository;
+		$this->wpdb         = $wpdb;
+	}
+
+	/**
+	 * Builds links for indexables which haven't had their links indexed yet.
+	 *
+	 * @return SEO_Links[] The created SEO links.
+	 */
+	public function index() {
+		$objects = $this->get_objects();
+
+		$indexables = [];
+		foreach ( $objects as $object ) {
+			$indexable = $this->repository->find_by_id_and_type( $object->id, $object->type );
+			if ( $indexable ) {
+				$this->link_builder->build( $indexable, $object->content );
+				$indexable->save();
+
+				$indexables[] = $indexable;
+			}
+		}
+
+		if ( \count( $indexables ) > 0 ) {
+			\delete_transient( static::UNINDEXED_COUNT_TRANSIENT );
+			\delete_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT );
+		}
+
+		return $indexables;
+	}
+
+	/**
+	 * In the case of term-links and post-links we want to use the total unindexed count, because using
+	 * the limited unindexed count actually leads to worse performance.
+	 *
+	 * @param int|bool $limit Unused.
+	 *
+	 * @return int The total number of unindexed links.
+	 */
+	public function get_limited_unindexed_count( $limit = false ) {
+		return $this->get_total_unindexed();
+	}
+
+	/**
+	 * Returns the number of texts that will be indexed in a single link indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_link_indexing_limit' - Allow filtering the number of texts indexed during each link indexing pass.
+		 *
+		 * @api int The maximum number of texts indexed.
+		 */
+		return \apply_filters( 'wpseo_link_indexing_limit', 5 );
+	}
+
+	/**
+	 * Returns objects to be indexed.
+	 *
+	 * @return array Objects to be indexed, should be an array of objects with object_id, object_type and content.
+	 */
+	abstract protected function get_objects();
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexable-general-indexation-action.php

@@ -0,0 +1,138 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+
+/**
+ * General reindexing action for indexables.
+ */
+class Indexable_General_Indexation_Action implements Indexation_Action_Interface, Limited_Indexing_Action_Interface {
+
+	/**
+	 * The transient cache key.
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_total_unindexed_general_items';
+
+	/**
+	 * Represents the indexables repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $indexable_repository;
+
+	/**
+	 * Indexable_General_Indexation_Action constructor.
+	 *
+	 * @param Indexable_Repository $indexable_repository The indexables repository.
+	 */
+	public function __construct( Indexable_Repository $indexable_repository ) {
+		$this->indexable_repository = $indexable_repository;
+	}
+
+	/**
+	 * Returns the total number of unindexed objects.
+	 *
+	 * @return int The total number of unindexed objects.
+	 */
+	public function get_total_unindexed() {
+		$transient = \get_transient( static::UNINDEXED_COUNT_TRANSIENT );
+		if ( $transient !== false ) {
+			return (int) $transient;
+		}
+
+		$indexables_to_create = $this->query();
+
+		$result = \count( $indexables_to_create );
+
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, $result, \DAY_IN_SECONDS );
+
+		/**
+		 * Action: 'wpseo_indexables_unindexed_calculated' - sets an option to timestamp when there are no unindexed indexables left.
+		 *
+		 * @internal
+		 */
+		\do_action( 'wpseo_indexables_unindexed_calculated', static::UNINDEXED_COUNT_TRANSIENT, $result );
+
+		return $result;
+	}
+
+	/**
+	 * Returns a limited number of unindexed posts.
+	 *
+	 * @param int $limit Limit the maximum number of unindexed posts that are counted.
+	 *
+	 * @return int|false The limited number of unindexed posts. False if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		return $this->get_total_unindexed();
+	}
+
+	/**
+	 * Creates indexables for unindexed system pages, the date archive, and the homepage.
+	 *
+	 * @return Indexable[] The created indexables.
+	 */
+	public function index() {
+		$indexables           = [];
+		$indexables_to_create = $this->query();
+
+		if ( isset( $indexables_to_create['404'] ) ) {
+			$indexables[] = $this->indexable_repository->find_for_system_page( '404' );
+		}
+
+		if ( isset( $indexables_to_create['search'] ) ) {
+			$indexables[] = $this->indexable_repository->find_for_system_page( 'search-result' );
+		}
+
+		if ( isset( $indexables_to_create['date_archive'] ) ) {
+			$indexables[] = $this->indexable_repository->find_for_date_archive();
+		}
+		if ( isset( $indexables_to_create['home_page'] ) ) {
+			$indexables[] = $this->indexable_repository->find_for_home_page();
+		}
+
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, 0, \DAY_IN_SECONDS );
+
+		return $indexables;
+	}
+
+	/**
+	 * Returns the number of objects that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		// This matches the maximum number of indexables created by this action.
+		return 4;
+	}
+
+	/**
+	 * Check which indexables already exist and return the values of the ones to create.
+	 *
+	 * @return array The indexable types to create.
+	 */
+	private function query() {
+		$indexables_to_create = [];
+		if ( ! $this->indexable_repository->find_for_system_page( '404', false ) ) {
+			$indexables_to_create['404'] = true;
+		}
+
+		if ( ! $this->indexable_repository->find_for_system_page( 'search-result', false ) ) {
+			$indexables_to_create['search'] = true;
+		}
+
+		if ( ! $this->indexable_repository->find_for_date_archive( false ) ) {
+			$indexables_to_create['date_archive'] = true;
+		}
+
+		$need_home_page_indexable = ( (int) \get_option( 'page_on_front' ) === 0 && \get_option( 'show_on_front' ) === 'posts' );
+
+		if ( $need_home_page_indexable && ! $this->indexable_repository->find_for_home_page( false ) ) {
+			$indexables_to_create['home_page'] = true;
+		}
+
+		return $indexables_to_create;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexable-indexing-complete-action.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\SEO\Helpers\Indexable_Helper;
+
+/**
+ * Indexing action to call when the indexable indexing process is completed.
+ */
+class Indexable_Indexing_Complete_Action {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Indexable_Helper
+	 */
+	protected $indexable_helper;
+
+	/**
+	 * Indexable_Indexing_Complete_Action constructor.
+	 *
+	 * @param Indexable_Helper $indexable_helper The indexable helper.
+	 */
+	public function __construct( Indexable_Helper $indexable_helper ) {
+		$this->indexable_helper = $indexable_helper;
+	}
+
+	/**
+	 * Wraps up the indexing process.
+	 *
+	 * @return void
+	 */
+	public function complete() {
+		$this->indexable_helper->finish_indexing();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexable-post-indexation-action.php

@@ -0,0 +1,207 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use wpdb;
+use Yoast\WP\Lib\Model;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Reindexing action for post indexables.
+ */
+class Indexable_Post_Indexation_Action extends Abstract_Indexing_Action {
+
+	/**
+	 * The transient cache key.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_total_unindexed_posts';
+
+	/**
+	 * The transient cache key for limited counts.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type_helper;
+
+	/**
+	 * The post helper.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $repository;
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * The latest version of Post Indexables.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Indexable_Post_Indexing_Action constructor
+	 *
+	 * @param Post_Type_Helper           $post_type_helper The post type helper.
+	 * @param Indexable_Repository       $repository       The indexable repository.
+	 * @param wpdb                       $wpdb             The WordPress database instance.
+	 * @param Indexable_Builder_Versions $builder_versions The latest versions for each Indexable type.
+	 * @param Post_Helper                $post_helper      The post helper.
+	 */
+	public function __construct(
+		Post_Type_Helper $post_type_helper,
+		Indexable_Repository $repository,
+		wpdb $wpdb,
+		Indexable_Builder_Versions $builder_versions,
+		Post_Helper $post_helper
+	) {
+		$this->post_type_helper = $post_type_helper;
+		$this->repository       = $repository;
+		$this->wpdb             = $wpdb;
+		$this->version          = $builder_versions->get_latest_version_for_type( 'post' );
+		$this->post_helper      = $post_helper;
+	}
+
+	/**
+	 * Creates indexables for unindexed posts.
+	 *
+	 * @return Indexable[] The created indexables.
+	 */
+	public function index() {
+		$query = $this->get_select_query( $this->get_limit() );
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_select_query returns a prepared query.
+		$post_ids = $this->wpdb->get_col( $query );
+
+		$indexables = [];
+		foreach ( $post_ids as $post_id ) {
+			$indexables[] = $this->repository->find_by_id_and_type( (int) $post_id, 'post' );
+		}
+
+		if ( \count( $indexables ) > 0 ) {
+			\delete_transient( static::UNINDEXED_COUNT_TRANSIENT );
+			\delete_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT );
+		}
+
+		return $indexables;
+	}
+
+	/**
+	 * Returns the number of posts that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_post_indexation_limit' - Allow filtering the amount of posts indexed during each indexing pass.
+		 *
+		 * @api int The maximum number of posts indexed.
+		 */
+		$limit = \apply_filters( 'wpseo_post_indexation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+
+	/**
+	 * Builds a query for counting the number of unindexed posts.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_count_query() {
+		$indexable_table = Model::get_table_name( 'Indexable' );
+
+		$post_types             = $this->post_type_helper->get_indexable_post_types();
+		$excluded_post_statuses = $this->post_helper->get_excluded_post_statuses();
+		$replacements           = \array_merge(
+			$post_types,
+			$excluded_post_statuses
+		);
+
+		$replacements[] = $this->version;
+
+		// Warning: If this query is changed, makes sure to update the query in get_select_query as well.
+		// @phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber
+		return $this->wpdb->prepare(
+			"
+			SELECT COUNT(P.ID)
+			FROM {$this->wpdb->posts} AS P
+			WHERE P.post_type IN (" . \implode( ', ', \array_fill( 0, \count( $post_types ), '%s' ) ) . ')
+			AND P.post_status NOT IN (' . \implode( ', ', \array_fill( 0, \count( $excluded_post_statuses ), '%s' ) ) . ")
+			AND P.ID not in (
+				SELECT I.object_id from $indexable_table as I
+				WHERE I.object_type = 'post'
+				AND I.version = %d )",
+			$replacements
+		);
+	}
+
+	/**
+	 * Builds a query for selecting the ID's of unindexed posts.
+	 *
+	 * @param bool $limit The maximum number of post IDs to return.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_select_query( $limit = false ) {
+		$indexable_table = Model::get_table_name( 'Indexable' );
+
+		$post_types             = $this->post_type_helper->get_indexable_post_types();
+		$excluded_post_statuses = $this->post_helper->get_excluded_post_statuses();
+		$replacements           = \array_merge(
+			$post_types,
+			$excluded_post_statuses
+		);
+		$replacements[]         = $this->version;
+
+		$limit_query = '';
+		if ( $limit ) {
+			$limit_query    = 'LIMIT %d';
+			$replacements[] = $limit;
+		}
+
+		// Warning: If this query is changed, makes sure to update the query in get_count_query as well.
+		// @phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber
+		return $this->wpdb->prepare(
+			"
+			SELECT P.ID
+			FROM {$this->wpdb->posts} AS P
+			WHERE P.post_type IN (" . \implode( ', ', \array_fill( 0, \count( $post_types ), '%s' ) ) . ')
+			AND P.post_status NOT IN (' . \implode( ', ', \array_fill( 0, \count( $excluded_post_statuses ), '%s' ) ) . ")
+			AND P.ID not in (
+				SELECT I.object_id from $indexable_table as I
+				WHERE I.object_type = 'post'
+				AND I.version = %d )
+			$limit_query",
+			$replacements
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexable-post-type-archive-indexation-action.php

@@ -0,0 +1,212 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\SEO\Builders\Indexable_Builder;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Reindexing action for post type archive indexables.
+ *
+ * @phpcs:disable Yoast.NamingConventions.ObjectNameDepth.MaxExceeded
+ */
+class Indexable_Post_Type_Archive_Indexation_Action implements Indexation_Action_Interface, Limited_Indexing_Action_Interface {
+
+
+	/**
+	 * The transient cache key.
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_total_unindexed_post_type_archives';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $repository;
+
+	/**
+	 * The indexable builder.
+	 *
+	 * @var Indexable_Builder
+	 */
+	protected $builder;
+
+	/**
+	 * The current version of the post type archive indexable builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Indexation_Post_Type_Archive_Action constructor.
+	 *
+	 * @param Indexable_Repository       $repository The indexable repository.
+	 * @param Indexable_Builder          $builder    The indexable builder.
+	 * @param Post_Type_Helper           $post_type  The post type helper.
+	 * @param Indexable_Builder_Versions $versions   The current versions of all indexable builders.
+	 */
+	public function __construct(
+		Indexable_Repository $repository,
+		Indexable_Builder $builder,
+		Post_Type_Helper $post_type,
+		Indexable_Builder_Versions $versions
+	) {
+		$this->repository = $repository;
+		$this->builder    = $builder;
+		$this->post_type  = $post_type;
+		$this->version    = $versions->get_latest_version_for_type( 'post-type-archive' );
+	}
+
+	/**
+	 * Returns the total number of unindexed post type archives.
+	 *
+	 * @param int $limit Limit the number of counted objects.
+	 *
+	 * @return int The total number of unindexed post type archives.
+	 */
+	public function get_total_unindexed( $limit = false ) {
+		$transient = \get_transient( static::UNINDEXED_COUNT_TRANSIENT );
+		if ( $transient !== false ) {
+			return (int) $transient;
+		}
+
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, 0, \DAY_IN_SECONDS );
+
+		$result = \count( $this->get_unindexed_post_type_archives( $limit ) );
+
+		\set_transient( static::UNINDEXED_COUNT_TRANSIENT, $result, \DAY_IN_SECONDS );
+
+		/**
+		 * Action: 'wpseo_indexables_unindexed_calculated' - sets an option to timestamp when there are no unindexed indexables left.
+		 *
+		 * @internal
+		 */
+		\do_action( 'wpseo_indexables_unindexed_calculated', static::UNINDEXED_COUNT_TRANSIENT, $result );
+
+		return $result;
+	}
+
+	/**
+	 * Creates indexables for post type archives.
+	 *
+	 * @return Indexable[] The created indexables.
+	 */
+	public function index() {
+		$unindexed_post_type_archives = $this->get_unindexed_post_type_archives( $this->get_limit() );
+
+		$indexables = [];
+		foreach ( $unindexed_post_type_archives as $post_type_archive ) {
+			$indexables[] = $this->builder->build_for_post_type_archive( $post_type_archive );
+		}
+
+		if ( \count( $indexables ) > 0 ) {
+			\delete_transient( static::UNINDEXED_COUNT_TRANSIENT );
+		}
+
+		return $indexables;
+	}
+
+	/**
+	 * Returns the number of post type archives that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_post_type_archive_indexation_limit' - Allow filtering the number of posts indexed during each indexing pass.
+		 *
+		 * @api int The maximum number of posts indexed.
+		 */
+		$limit = \apply_filters( 'wpseo_post_type_archive_indexation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+
+	/**
+	 * Retrieves the list of post types for which no indexable for its archive page has been made yet.
+	 *
+	 * @param int|false $limit Limit the number of retrieved indexables to this number.
+	 *
+	 * @return array The list of post types for which no indexable for its archive page has been made yet.
+	 */
+	protected function get_unindexed_post_type_archives( $limit = false ) {
+		$post_types_with_archive_pages = $this->get_post_types_with_archive_pages();
+		$indexed_post_types            = $this->get_indexed_post_type_archives();
+
+		$unindexed_post_types = \array_diff( $post_types_with_archive_pages, $indexed_post_types );
+
+		if ( $limit ) {
+			return \array_slice( $unindexed_post_types, 0, $limit );
+		}
+
+		return $unindexed_post_types;
+	}
+
+	/**
+	 * Returns the names of all the post types that have archive pages.
+	 *
+	 * @return array The list of names of all post types that have archive pages.
+	 */
+	protected function get_post_types_with_archive_pages() {
+		// We only want to index archive pages of public post types that have them.
+		$post_types_with_archive = $this->post_type->get_indexable_post_archives();
+
+		// We only need the post type names, not the objects.
+		$post_types = [];
+		foreach ( $post_types_with_archive as $post_type_with_archive ) {
+			$post_types[] = $post_type_with_archive->name;
+		}
+
+		return $post_types;
+	}
+
+	/**
+	 * Retrieves the list of post type names for which an archive indexable exists.
+	 *
+	 * @return array The list of names of post types with unindexed archive pages.
+	 */
+	protected function get_indexed_post_type_archives() {
+		$results = $this->repository->query()
+			->select( 'object_sub_type' )
+			->where( 'object_type', 'post-type-archive' )
+			->where_equal( 'version', $this->version )
+			->find_array();
+
+		if ( $results === false ) {
+			return [];
+		}
+
+		$callback = static function( $result ) {
+			return $result['object_sub_type'];
+		};
+
+		return \array_map( $callback, $results );
+	}
+
+	/**
+	 * Returns a limited number of unindexed posts.
+	 *
+	 * @param int $limit Limit the maximum number of unindexed posts that are counted.
+	 *
+	 * @return int|false The limited number of unindexed posts. False if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit ) {
+		return $this->get_total_unindexed( $limit );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexable-term-indexation-action.php

@@ -0,0 +1,188 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use wpdb;
+use Yoast\WP\Lib\Model;
+use Yoast\WP\SEO\Helpers\Taxonomy_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Reindexing action for term indexables.
+ */
+class Indexable_Term_Indexation_Action extends Abstract_Indexing_Action {
+
+	/**
+	 * The transient cache key.
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_total_unindexed_terms';
+
+	/**
+	 * The transient cache key for limited counts.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Taxonomy_Helper
+	 */
+	protected $taxonomy;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $repository;
+
+	/**
+	 * The WordPress database instance.
+	 *
+	 * @var wpdb
+	 */
+	protected $wpdb;
+
+	/**
+	 * The latest version of the Indexable term builder
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Indexable_Term_Indexation_Action constructor
+	 *
+	 * @param Taxonomy_Helper            $taxonomy         The taxonomy helper.
+	 * @param Indexable_Repository       $repository       The indexable repository.
+	 * @param wpdb                       $wpdb             The WordPress database instance.
+	 * @param Indexable_Builder_Versions $builder_versions The latest versions of all indexable builders.
+	 */
+	public function __construct(
+		Taxonomy_Helper $taxonomy,
+		Indexable_Repository $repository,
+		wpdb $wpdb,
+		Indexable_Builder_Versions $builder_versions
+	) {
+		$this->taxonomy   = $taxonomy;
+		$this->repository = $repository;
+		$this->wpdb       = $wpdb;
+		$this->version    = $builder_versions->get_latest_version_for_type( 'term' );
+	}
+
+	/**
+	 * Creates indexables for unindexed terms.
+	 *
+	 * @return Indexable[] The created indexables.
+	 */
+	public function index() {
+		$query = $this->get_select_query( $this->get_limit() );
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_select_query returns a prepared query.
+		$term_ids = $this->wpdb->get_col( $query );
+
+		$indexables = [];
+		foreach ( $term_ids as $term_id ) {
+			$indexables[] = $this->repository->find_by_id_and_type( (int) $term_id, 'term' );
+		}
+
+		if ( \count( $indexables ) > 0 ) {
+			\delete_transient( static::UNINDEXED_COUNT_TRANSIENT );
+			\delete_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT );
+		}
+
+		return $indexables;
+	}
+
+	/**
+	 * Returns the number of terms that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit() {
+		/**
+		 * Filter 'wpseo_term_indexation_limit' - Allow filtering the number of terms indexed during each indexing pass.
+		 *
+		 * @api int The maximum number of terms indexed.
+		 */
+		$limit = \apply_filters( 'wpseo_term_indexation_limit', 25 );
+
+		if ( ! \is_int( $limit ) || $limit < 1 ) {
+			$limit = 25;
+		}
+
+		return $limit;
+	}
+
+	/**
+	 * Builds a query for counting the number of unindexed terms.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_count_query() {
+		$indexable_table   = Model::get_table_name( 'Indexable' );
+		$taxonomy_table    = $this->wpdb->term_taxonomy;
+		$public_taxonomies = $this->taxonomy->get_indexable_taxonomies();
+
+		$taxonomies_placeholders = \implode( ', ', \array_fill( 0, \count( $public_taxonomies ), '%s' ) );
+
+		$replacements = [ $this->version ];
+		\array_push( $replacements, ...$public_taxonomies );
+
+		// Warning: If this query is changed, makes sure to update the query in get_count_query as well.
+		return $this->wpdb->prepare(
+			"
+			SELECT COUNT(term_id)
+			FROM {$taxonomy_table} AS T
+			LEFT JOIN $indexable_table AS I
+				ON T.term_id = I.object_id
+				AND I.object_type = 'term'
+				AND I.version = %d
+			WHERE I.object_id IS NULL
+				AND taxonomy IN ($taxonomies_placeholders)",
+			$replacements
+		);
+	}
+
+	/**
+	 * Builds a query for selecting the ID's of unindexed terms.
+	 *
+	 * @param bool $limit The maximum number of term IDs to return.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_select_query( $limit = false ) {
+		$indexable_table   = Model::get_table_name( 'Indexable' );
+		$taxonomy_table    = $this->wpdb->term_taxonomy;
+		$public_taxonomies = $this->taxonomy->get_indexable_taxonomies();
+		$placeholders      = \implode( ', ', \array_fill( 0, \count( $public_taxonomies ), '%s' ) );
+
+		$replacements = [ $this->version ];
+		\array_push( $replacements, ...$public_taxonomies );
+
+		$limit_query = '';
+		if ( $limit ) {
+			$limit_query    = 'LIMIT %d';
+			$replacements[] = $limit;
+		}
+
+		// Warning: If this query is changed, makes sure to update the query in get_count_query as well.
+		return $this->wpdb->prepare(
+			"
+			SELECT term_id
+			FROM {$taxonomy_table} AS T
+			LEFT JOIN $indexable_table AS I
+				ON T.term_id = I.object_id
+				AND I.object_type = 'term'
+				AND I.version = %d
+			WHERE I.object_id IS NULL
+				AND taxonomy IN ($placeholders)
+			$limit_query",
+			$replacements
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexation-action-interface.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+/**
+ * Interface definition of reindexing action for indexables.
+ */
+interface Indexation_Action_Interface {
+
+	/**
+	 * Returns the total number of unindexed objects.
+	 *
+	 * @return int The total number of unindexed objects.
+	 */
+	public function get_total_unindexed();
+
+	/**
+	 * Indexes a number of objects.
+	 *
+	 * NOTE: ALWAYS use limits, this method is intended to be called multiple times over several requests.
+	 *
+	 * For indexing that requires JavaScript simply return the objects that should be indexed.
+	 *
+	 * @return array The reindexed objects.
+	 */
+	public function index();
+
+	/**
+	 * Returns the number of objects that will be indexed in a single indexing pass.
+	 *
+	 * @return int The limit.
+	 */
+	public function get_limit();
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexing-complete-action.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\SEO\Helpers\Indexing_Helper;
+
+/**
+ * Indexing action to call when the indexing is completed.
+ */
+class Indexing_Complete_Action {
+
+	/**
+	 * The indexing helper.
+	 *
+	 * @var Indexing_Helper
+	 */
+	protected $indexing_helper;
+
+	/**
+	 * Indexing_Complete_Action constructor.
+	 *
+	 * @param Indexing_Helper $indexing_helper The indexing helper.
+	 */
+	public function __construct( Indexing_Helper $indexing_helper ) {
+		$this->indexing_helper = $indexing_helper;
+	}
+
+	/**
+	 * Wraps up the indexing process.
+	 *
+	 * @return void
+	 */
+	public function complete() {
+		$this->indexing_helper->complete();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/indexing-prepare-action.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\SEO\Helpers\Indexing_Helper;
+
+/**
+ * Class Indexing_Prepare_Action.
+ *
+ * Action for preparing the indexing routine.
+ */
+class Indexing_Prepare_Action {
+
+	/**
+	 * The indexing helper.
+	 *
+	 * @var Indexing_Helper
+	 */
+	protected $indexing_helper;
+
+	/**
+	 * Action for preparing the indexing routine.
+	 *
+	 * @param Indexing_Helper $indexing_helper The indexing helper.
+	 */
+	public function __construct(
+		Indexing_Helper $indexing_helper
+	) {
+		$this->indexing_helper = $indexing_helper;
+	}
+
+	/**
+	 * Prepares the indexing routine.
+	 *
+	 * @return void
+	 */
+	public function prepare() {
+		$this->indexing_helper->prepare();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/limited-indexing-action-interface.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+/**
+ * Interface definition of a reindexing action for indexables that have a limited unindexed count.
+ */
+interface Limited_Indexing_Action_Interface {
+
+	/**
+	 * Returns a limited number of unindexed posts.
+	 *
+	 * @param int $limit Limit the maximum number of unindexed posts that are counted.
+	 *
+	 * @return int|false The limited number of unindexed posts. False if the query fails.
+	 */
+	public function get_limited_unindexed_count( $limit );
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/post-link-indexing-action.php

@@ -0,0 +1,142 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\Lib\Model;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+
+/**
+ * Reindexing action for post link indexables.
+ */
+class Post_Link_Indexing_Action extends Abstract_Link_Indexing_Action {
+
+	/**
+	 * The transient name.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_unindexed_post_link_count';
+
+	/**
+	 * The transient cache key for limited counts.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type_helper;
+
+	/**
+	 * Sets the required helper.
+	 *
+	 * @required
+	 *
+	 * @param Post_Type_Helper $post_type_helper The post type helper.
+	 *
+	 * @return void
+	 */
+	public function set_helper( Post_Type_Helper $post_type_helper ) {
+		$this->post_type_helper = $post_type_helper;
+	}
+
+	/**
+	 * Returns objects to be indexed.
+	 *
+	 * @return array Objects to be indexed.
+	 */
+	protected function get_objects() {
+		$query = $this->get_select_query( $this->get_limit() );
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_select_query returns a prepared query.
+		$posts = $this->wpdb->get_results( $query );
+
+		return \array_map(
+			static function ( $post ) {
+				return (object) [
+					'id'      => (int) $post->ID,
+					'type'    => 'post',
+					'content' => $post->post_content,
+				];
+			},
+			$posts
+		);
+	}
+
+	/**
+	 * Builds a query for counting the number of unindexed post links.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_count_query() {
+		$public_post_types = $this->post_type_helper->get_indexable_post_types();
+		$indexable_table   = Model::get_table_name( 'Indexable' );
+		$links_table       = Model::get_table_name( 'SEO_Links' );
+
+		// Warning: If this query is changed, makes sure to update the query in get_select_query as well.
+		return $this->wpdb->prepare(
+			"SELECT COUNT(P.ID)
+			FROM {$this->wpdb->posts} AS P
+			LEFT JOIN $indexable_table AS I
+				ON P.ID = I.object_id
+				AND I.link_count IS NOT NULL
+				AND I.object_type = 'post'
+			LEFT JOIN $links_table AS L
+				ON L.post_id = P.ID
+				AND L.target_indexable_id IS NULL
+				AND L.type = 'internal'
+				AND L.target_post_id IS NOT NULL
+				AND L.target_post_id != 0
+			WHERE ( I.object_id IS NULL OR L.post_id IS NOT NULL )
+				AND P.post_status = 'publish'
+				AND P.post_type IN (" . \implode( ', ', \array_fill( 0, \count( $public_post_types ), '%s' ) ) . ')',
+			$public_post_types
+		);
+	}
+
+	/**
+	 * Builds a query for selecting the ID's of unindexed post links.
+	 *
+	 * @param int|false $limit The maximum number of post link IDs to return.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_select_query( $limit = false ) {
+		$public_post_types = $this->post_type_helper->get_indexable_post_types();
+		$indexable_table   = Model::get_table_name( 'Indexable' );
+		$links_table       = Model::get_table_name( 'SEO_Links' );
+		$replacements      = $public_post_types;
+
+		$limit_query = '';
+		if ( $limit ) {
+			$limit_query    = 'LIMIT %d';
+			$replacements[] = $limit;
+		}
+
+		// Warning: If this query is changed, makes sure to update the query in get_count_query as well.
+		return $this->wpdb->prepare(
+			"
+			SELECT P.ID, P.post_content
+			FROM {$this->wpdb->posts} AS P
+			LEFT JOIN $indexable_table AS I
+				ON P.ID = I.object_id
+				AND I.link_count IS NOT NULL
+				AND I.object_type = 'post'
+			LEFT JOIN $links_table AS L
+				ON L.post_id = P.ID
+				AND L.target_indexable_id IS NULL
+				AND L.type = 'internal'
+				AND L.target_post_id IS NOT NULL
+				AND L.target_post_id != 0
+			WHERE ( I.object_id IS NULL OR L.post_id IS NOT NULL )
+				AND P.post_status = 'publish'
+				AND P.post_type IN (" . \implode( ', ', \array_fill( 0, \count( $public_post_types ), '%s' ) ) . ")
+			$limit_query",
+			$replacements
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/indexing/term-link-indexing-action.php

@@ -0,0 +1,129 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Indexing;
+
+use Yoast\WP\Lib\Model;
+use Yoast\WP\SEO\Helpers\Taxonomy_Helper;
+
+/**
+ * Reindexing action for term link indexables.
+ */
+class Term_Link_Indexing_Action extends Abstract_Link_Indexing_Action {
+
+	/**
+	 * The transient name.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_COUNT_TRANSIENT = 'wpseo_unindexed_term_link_count';
+
+	/**
+	 * The transient cache key for limited counts.
+	 *
+	 * @var string
+	 */
+	const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Taxonomy_Helper
+	 */
+	protected $taxonomy_helper;
+
+	/**
+	 * Sets the required helper.
+	 *
+	 * @required
+	 *
+	 * @param Taxonomy_Helper $taxonomy_helper The taxonomy helper.
+	 *
+	 * @return void
+	 */
+	public function set_helper( Taxonomy_Helper $taxonomy_helper ) {
+		$this->taxonomy_helper = $taxonomy_helper;
+	}
+
+	/**
+	 * Returns objects to be indexed.
+	 *
+	 * @return array Objects to be indexed.
+	 */
+	protected function get_objects() {
+		$query = $this->get_select_query( $this->get_limit() );
+
+		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_select_query returns a prepared query.
+		$terms = $this->wpdb->get_results( $query );
+
+		return \array_map(
+			static function ( $term ) {
+				return (object) [
+					'id'      => (int) $term->term_id,
+					'type'    => 'term',
+					'content' => $term->description,
+				];
+			},
+			$terms
+		);
+	}
+
+	/**
+	 * Builds a query for counting the number of unindexed term links.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_count_query() {
+		$public_taxonomies = $this->taxonomy_helper->get_indexable_taxonomies();
+		$placeholders      = \implode( ', ', \array_fill( 0, \count( $public_taxonomies ), '%s' ) );
+		$indexable_table   = Model::get_table_name( 'Indexable' );
+
+		// Warning: If this query is changed, makes sure to update the query in get_select_query as well.
+		return $this->wpdb->prepare(
+			"
+			SELECT COUNT(T.term_id)
+			FROM {$this->wpdb->term_taxonomy} AS T
+			LEFT JOIN $indexable_table AS I
+				ON T.term_id = I.object_id
+				AND I.object_type = 'term'
+				AND I.link_count IS NOT NULL
+			WHERE I.object_id IS NULL
+				AND T.taxonomy IN ($placeholders)",
+			$public_taxonomies
+		);
+	}
+
+	/**
+	 * Builds a query for selecting the ID's of unindexed term links.
+	 *
+	 * @param int|false $limit The maximum number of term link IDs to return.
+	 *
+	 * @return string The prepared query string.
+	 */
+	protected function get_select_query( $limit = false ) {
+		$public_taxonomies = $this->taxonomy_helper->get_indexable_taxonomies();
+
+		$indexable_table = Model::get_table_name( 'Indexable' );
+		$replacements    = $public_taxonomies;
+
+		$limit_query = '';
+		if ( $limit ) {
+			$limit_query    = 'LIMIT %d';
+			$replacements[] = $limit;
+		}
+
+		// Warning: If this query is changed, makes sure to update the query in get_count_query as well.
+		return $this->wpdb->prepare(
+			"
+			SELECT T.term_id, T.description
+			FROM {$this->wpdb->term_taxonomy} AS T
+			LEFT JOIN $indexable_table AS I
+				ON T.term_id = I.object_id
+				AND I.object_type = 'term'
+				AND I.link_count IS NOT NULL
+			WHERE I.object_id IS NULL
+				AND T.taxonomy IN (" . \implode( ', ', \array_fill( 0, \count( $public_taxonomies ), '%s' ) ) . ")
+			$limit_query",
+			$replacements
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/integrations-action.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Class Integrations_Action.
+ */
+class Integrations_Action {
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * Integrations_Action constructor.
+	 *
+	 * @param Options_Helper $options_helper The WPSEO options helper.
+	 */
+	public function __construct( Options_Helper $options_helper ) {
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Sets an integration state.
+	 *
+	 * @param string $integration_name The name of the integration to activate/deactivate.
+	 * @param bool   $value            The value to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_integration_active( $integration_name, $value ) {
+		$option_name  = $integration_name . '_integration_active';
+		$success      = true;
+		$option_value = $this->options_helper->get( $option_name );
+
+		if ( $option_value !== $value ) {
+			$success = $this->options_helper->set( $option_name, $value );
+		}
+
+		if ( $success ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+		return (object) [
+			'success' => false,
+			'status'  => 500,
+			'error'   => 'Could not save the option in the database',
+		];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/semrush/semrush-login-action.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\SEMrush;
+
+use Yoast\WP\SEO\Config\SEMrush_Client;
+use Yoast\WP\SEO\Exceptions\OAuth\Authentication_Failed_Exception;
+
+/**
+ * Class SEMrush_Login_Action
+ */
+class SEMrush_Login_Action {
+
+	/**
+	 * The SEMrush_Client instance.
+	 *
+	 * @var SEMrush_Client
+	 */
+	protected $client;
+
+	/**
+	 * SEMrush_Login_Action constructor.
+	 *
+	 * @param SEMrush_Client $client The API client.
+	 */
+	public function __construct( SEMrush_Client $client ) {
+		$this->client = $client;
+	}
+
+	/**
+	 * Authenticates with SEMrush to request the necessary tokens.
+	 *
+	 * @param string $code The authentication code to use to request a token with.
+	 *
+	 * @return object The response object.
+	 */
+	public function authenticate( $code ) {
+		// Code has already been validated at this point. No need to do that again.
+		try {
+			$tokens = $this->client->request_tokens( $code );
+
+			return (object) [
+				'tokens' => $tokens->to_array(),
+				'status' => 200,
+			];
+		} catch ( Authentication_Failed_Exception $e ) {
+			return $e->get_response();
+		}
+	}
+
+	/**
+	 * Performs the login request, if necessary.
+	 */
+	public function login() {
+		if ( $this->client->has_valid_tokens() ) {
+			return;
+		}
+
+		// Prompt with login screen.
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/semrush/semrush-options-action.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\SEMrush;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Class SEMrush_Options_Action
+ */
+class SEMrush_Options_Action {
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * SEMrush_Options_Action constructor.
+	 *
+	 * @param Options_Helper $options_helper The WPSEO options helper.
+	 */
+	public function __construct( Options_Helper $options_helper ) {
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Stores SEMrush country code in the WPSEO options.
+	 *
+	 * @param string $country_code The country code to store.
+	 *
+	 * @return object The response object.
+	 */
+	public function set_country_code( $country_code ) {
+		// The country code has already been validated at this point. No need to do that again.
+		$success = $this->options_helper->set( 'semrush_country_code', $country_code );
+
+		if ( $success ) {
+			return (object) [
+				'success' => true,
+				'status'  => 200,
+			];
+		}
+		return (object) [
+			'success' => false,
+			'status'  => 500,
+			'error'   => 'Could not save option in the database',
+		];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/semrush/semrush-phrases-action.php

@@ -0,0 +1,96 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\SEMrush;
+
+use Exception;
+use Yoast\WP\SEO\Config\SEMrush_Client;
+
+/**
+ * Class SEMrush_Phrases_Action
+ */
+class SEMrush_Phrases_Action {
+
+	/**
+	 * The transient cache key.
+	 */
+	const TRANSIENT_CACHE_KEY = 'wpseo_semrush_related_keyphrases_%s_%s';
+
+	/**
+	 * The SEMrush keyphrase URL.
+	 *
+	 * @var string
+	 */
+	const KEYPHRASES_URL = 'https://oauth.semrush.com/api/v1/keywords/phrase_fullsearch';
+
+	/**
+	 * The SEMrush_Client instance.
+	 *
+	 * @var SEMrush_Client
+	 */
+	protected $client;
+
+	/**
+	 * SEMrush_Phrases_Action constructor.
+	 *
+	 * @param SEMrush_Client $client The API client.
+	 */
+	public function __construct( SEMrush_Client $client ) {
+		$this->client = $client;
+	}
+
+	/**
+	 * Gets the related keyphrases and data based on the passed keyphrase and database country code.
+	 *
+	 * @param string $keyphrase The keyphrase to search for.
+	 * @param string $database  The database's country code.
+	 *
+	 * @return object The response object.
+	 */
+	public function get_related_keyphrases( $keyphrase, $database ) {
+		try {
+			$transient_key = \sprintf( static::TRANSIENT_CACHE_KEY, $keyphrase, $database );
+			$transient     = \get_transient( $transient_key );
+
+			if ( $transient !== false ) {
+				return $this->to_result_object( $transient );
+			}
+
+			$options = [
+				'params' => [
+					'phrase'         => $keyphrase,
+					'database'       => $database,
+					'export_columns' => 'Ph,Nq,Td',
+					'display_limit'  => 10,
+					'display_offset' => 0,
+					'display_sort'   => 'nq_desc',
+					'display_filter' => '%2B|Nq|Lt|1000',
+				],
+			];
+
+			$results = $this->client->get( self::KEYPHRASES_URL, $options );
+
+			\set_transient( $transient_key, $results, \DAY_IN_SECONDS );
+
+			return $this->to_result_object( $results );
+		} catch ( Exception $e ) {
+			return (object) [
+				'error'  => $e->getMessage(),
+				'status' => $e->getCode(),
+			];
+		}
+	}
+
+	/**
+	 * Converts the passed dataset to an object.
+	 *
+	 * @param array $result The result dataset to convert to an object.
+	 *
+	 * @return object The result object.
+	 */
+	protected function to_result_object( $result ) {
+		return (object) [
+			'results' => $result['data'],
+			'status'  => $result['status'],
+		];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/wincher/wincher-account-action.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Wincher;
+
+use Yoast\WP\SEO\Config\Wincher_Client;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Class Wincher_Account_Action
+ */
+class Wincher_Account_Action {
+
+	const ACCOUNT_URL          = 'https://api.wincher.com/beta/account';
+	const UPGRADE_CAMPAIGN_URL = 'https://api.wincher.com/v1/yoast/upgrade-campaign';
+
+	/**
+	 * The Wincher_Client instance.
+	 *
+	 * @var Wincher_Client
+	 */
+	protected $client;
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * Wincher_Account_Action constructor.
+	 *
+	 * @param Wincher_Client $client         The API client.
+	 * @param Options_Helper $options_helper The options helper.
+	 */
+	public function __construct( Wincher_Client $client, Options_Helper $options_helper ) {
+		$this->client         = $client;
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Checks the account limit for tracking keyphrases.
+	 *
+	 * @return object The response object.
+	 */
+	public function check_limit() {
+		// Code has already been validated at this point. No need to do that again.
+		try {
+			$results = $this->client->get( self::ACCOUNT_URL );
+
+			$usage   = $results['limits']['keywords']['usage'];
+			$limit   = $results['limits']['keywords']['limit'];
+			$history = $results['limits']['history_days'];
+
+			return (object) [
+				'canTrack'    => \is_null( $limit ) || $usage < $limit,
+				'limit'       => $limit,
+				'usage'       => $usage,
+				'historyDays' => $history,
+				'status'      => 200,
+			];
+		} catch ( \Exception $e ) {
+			return (object) [
+				'status' => $e->getCode(),
+				'error'  => $e->getMessage(),
+			];
+		}
+	}
+
+	/**
+	 * Gets the upgrade campaign.
+	 *
+	 * @return object The response object.
+	 */
+	public function get_upgrade_campaign() {
+		try {
+			$result   = $this->client->get( self::UPGRADE_CAMPAIGN_URL );
+			$type     = isset( $result['type'] ) ? $result['type'] : null;
+			$months   = isset( $result['months'] ) ? $result['months'] : null;
+			$discount = isset( $result['value'] ) ? $result['value'] : null;
+
+			// We display upgrade discount only if it's a rate discount and positive months/discount.
+			if ( $type === 'RATE' && $months && $discount ) {
+
+				return (object) [
+					'discount'  => $discount,
+					'months'    => $months,
+					'status'    => 200,
+				];
+			}
+
+			return (object) [
+				'discount'  => null,
+				'months'    => null,
+				'status'    => 200,
+			];
+		} catch ( \Exception $e ) {
+			return (object) [
+				'status' => $e->getCode(),
+				'error'  => $e->getMessage(),
+			];
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/wincher/wincher-keyphrases-action.php

@@ -0,0 +1,363 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Wincher;
+
+use Exception;
+use WP_Post;
+use WPSEO_Utils;
+use Yoast\WP\SEO\Config\Wincher_Client;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+
+/**
+ * Class Wincher_Keyphrases_Action
+ */
+class Wincher_Keyphrases_Action {
+
+	/**
+	 * The Wincher keyphrase URL for bulk addition.
+	 *
+	 * @var string
+	 */
+	const KEYPHRASES_ADD_URL = 'https://api.wincher.com/beta/websites/%s/keywords/bulk';
+
+	/**
+	 * The Wincher tracked keyphrase retrieval URL.
+	 *
+	 * @var string
+	 */
+	const KEYPHRASES_URL = 'https://api.wincher.com/beta/yoast/%s';
+
+	/**
+	 * The Wincher delete tracked keyphrase URL.
+	 *
+	 * @var string
+	 */
+	const KEYPHRASE_DELETE_URL = 'https://api.wincher.com/beta/websites/%s/keywords/%s';
+
+	/**
+	 * The Wincher_Client instance.
+	 *
+	 * @var Wincher_Client
+	 */
+	protected $client;
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * The Indexable_Repository instance.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $indexable_repository;
+
+	/**
+	 * Wincher_Keyphrases_Action constructor.
+	 *
+	 * @param Wincher_Client       $client               The API client.
+	 * @param Options_Helper       $options_helper       The options helper.
+	 * @param Indexable_Repository $indexable_repository The indexables repository.
+	 */
+	public function __construct(
+		Wincher_Client $client,
+		Options_Helper $options_helper,
+		Indexable_Repository $indexable_repository
+	) {
+		$this->client               = $client;
+		$this->options_helper       = $options_helper;
+		$this->indexable_repository = $indexable_repository;
+	}
+
+	/**
+	 * Sends the tracking API request for one or more keyphrases.
+	 *
+	 * @param string|array $keyphrases One or more keyphrases that should be tracked.
+	 * @param Object       $limits     The limits API call response data.
+	 *
+	 * @return Object The reponse object.
+	 */
+	public function track_keyphrases( $keyphrases, $limits ) {
+		try {
+			$endpoint = \sprintf(
+				self::KEYPHRASES_ADD_URL,
+				$this->options_helper->get( 'wincher_website_id' )
+			);
+
+			// Enforce arrrays to ensure a consistent way of preparing the request.
+			if ( ! \is_array( $keyphrases ) ) {
+				$keyphrases = [ $keyphrases ];
+			}
+
+			// Calculate if the user would exceed their limit.
+			// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- To ensure JS code style, this can be ignored.
+			if ( ! $limits->canTrack || $this->would_exceed_limits( $keyphrases, $limits ) ) {
+				$response = [
+					'limit'  => $limits->limit,
+					'error'  => 'Account limit exceeded',
+					'status' => 400,
+				];
+
+				return $this->to_result_object( $response );
+			}
+
+			$formatted_keyphrases = \array_values(
+				\array_map(
+					static function ( $keyphrase ) {
+						return [
+							'keyword' => $keyphrase,
+							'groups'  => [],
+						];
+					},
+					$keyphrases
+				)
+			);
+
+			$results = $this->client->post( $endpoint, WPSEO_Utils::format_json_encode( $formatted_keyphrases ) );
+
+			if ( ! \array_key_exists( 'data', $results ) ) {
+				return $this->to_result_object( $results );
+			}
+
+			// The endpoint returns a lot of stuff that we don't want/need.
+			$results['data'] = \array_map(
+				static function( $keyphrase ) {
+					return [
+						'id'         => $keyphrase['id'],
+						'keyword'    => $keyphrase['keyword'],
+					];
+				},
+				$results['data']
+			);
+
+			$results['data'] = \array_combine(
+				\array_column( $results['data'], 'keyword' ),
+				\array_values( $results['data'] )
+			);
+
+			return $this->to_result_object( $results );
+		} catch ( Exception $e ) {
+			return (object) [
+				'error'  => $e->getMessage(),
+				'status' => $e->getCode(),
+			];
+		}
+	}
+
+	/**
+	 * Sends an untrack request for the passed keyword ID.
+	 *
+	 * @param int $keyphrase_id The ID of the keyphrase to untrack.
+	 *
+	 * @return object The response object.
+	 */
+	public function untrack_keyphrase( $keyphrase_id ) {
+		try {
+			$endpoint = \sprintf(
+				self::KEYPHRASE_DELETE_URL,
+				$this->options_helper->get( 'wincher_website_id' ),
+				$keyphrase_id
+			);
+
+			$this->client->delete( $endpoint );
+
+			return (object) [
+				'status' => 200,
+			];
+		} catch ( Exception $e ) {
+			return (object) [
+				'error'  => $e->getMessage(),
+				'status' => $e->getCode(),
+			];
+		}
+	}
+
+	/**
+	 * Gets the keyphrase data for the passed keyphrases.
+	 * Retrieves all available data if no keyphrases are provided.
+	 *
+	 * @param array|null  $used_keyphrases The currently used keyphrases. Optional.
+	 * @param string|null $permalink       The current permalink. Optional.
+	 * @param string|null $start_at        The position start date. Optional.
+	 *
+	 * @return object The keyphrase chart data.
+	 */
+	public function get_tracked_keyphrases( $used_keyphrases = null, $permalink = null, $start_at = null ) {
+		try {
+			if ( $used_keyphrases === null ) {
+				$used_keyphrases = $this->collect_all_keyphrases();
+			}
+
+			// If we still have no keyphrases the API will return an error, so
+			// don't even bother sending a request.
+			if ( empty( $used_keyphrases ) ) {
+				return $this->to_result_object(
+					[
+						'data'   => [],
+						'status' => 200,
+					]
+				);
+			}
+
+			$endpoint = \sprintf(
+				self::KEYPHRASES_URL,
+				$this->options_helper->get( 'wincher_website_id' )
+			);
+
+			$results = $this->client->post(
+				$endpoint,
+				WPSEO_Utils::format_json_encode(
+					[
+						'keywords' => $used_keyphrases,
+						'url'      => $permalink,
+						'start_at' => $start_at,
+					]
+				),
+				[
+					'timeout' => 60,
+				]
+			);
+
+			if ( ! \array_key_exists( 'data', $results ) ) {
+				return $this->to_result_object( $results );
+			}
+
+			$results['data'] = $this->filter_results_by_used_keyphrases( $results['data'], $used_keyphrases );
+
+			// Extract the positional data and assign it to the keyphrase.
+			$results['data'] = \array_combine(
+				\array_column( $results['data'], 'keyword' ),
+				\array_values( $results['data'] )
+			);
+
+			return $this->to_result_object( $results );
+		} catch ( Exception $e ) {
+			return (object) [
+				'error'  => $e->getMessage(),
+				'status' => $e->getCode(),
+			];
+		}
+	}
+
+	/**
+	 * Collects the keyphrases associated with the post.
+	 *
+	 * @param WP_Post $post The post object.
+	 *
+	 * @return array The keyphrases.
+	 */
+	public function collect_keyphrases_from_post( $post ) {
+		$keyphrases        = [];
+		$primary_keyphrase = $this->indexable_repository
+			->query()
+			->select( 'primary_focus_keyword' )
+			->where( 'object_id', $post->ID )
+			->find_one();
+
+		if ( $primary_keyphrase ) {
+			$keyphrases[] = $primary_keyphrase->primary_focus_keyword;
+		}
+
+		/**
+		 * Filters the keyphrases collected by the Wincher integration from the post.
+		 *
+		 * @param array $keyphrases The keyphrases array.
+		 * @param int   $post_id    The ID of the post.
+		 */
+		return \apply_filters( 'wpseo_wincher_keyphrases_from_post', $keyphrases, $post->ID );
+	}
+
+	/**
+	 * Collects all keyphrases known to Yoast.
+	 *
+	 * @return array
+	 */
+	protected function collect_all_keyphrases() {
+		// Collect primary keyphrases first.
+		$keyphrases = \array_column(
+			$this->indexable_repository
+				->query()
+				->select( 'primary_focus_keyword' )
+				->where_not_null( 'primary_focus_keyword' )
+				->where( 'object_type', 'post' )
+				->where_not_equal( 'post_status', 'trash' )
+				->distinct()
+				->find_array(),
+			'primary_focus_keyword'
+		);
+
+		/**
+		 * Filters the keyphrases collected by the Wincher integration from all the posts.
+		 *
+		 * @param array $keyphrases The keyphrases array.
+		 */
+		$keyphrases = \apply_filters( 'wpseo_wincher_all_keyphrases', $keyphrases );
+
+		// Filter out empty entries.
+		return \array_filter( $keyphrases );
+	}
+
+	/**
+	 * Filters the results based on the passed keyphrases.
+	 *
+	 * @param array $results         The results to filter.
+	 * @param array $used_keyphrases The used keyphrases.
+	 *
+	 * @return array The filtered results.
+	 */
+	protected function filter_results_by_used_keyphrases( $results, $used_keyphrases ) {
+		return \array_filter(
+			$results,
+			static function( $result ) use ( $used_keyphrases ) {
+				return \in_array( $result['keyword'], \array_map( 'strtolower', $used_keyphrases ), true );
+			}
+		);
+	}
+
+	/**
+	 * Determines whether the amount of keyphrases would mean the user exceeds their account limits.
+	 *
+	 * @param string|array $keyphrases The keyphrases to be added.
+	 * @param object       $limits     The current account limits.
+	 *
+	 * @return bool Whether the limit is exceeded.
+	 */
+	protected function would_exceed_limits( $keyphrases, $limits ) {
+		if ( ! \is_array( $keyphrases ) ) {
+			$keyphrases = [ $keyphrases ];
+		}
+
+		if ( \is_null( $limits->limit ) ) {
+			return false;
+		}
+
+		return ( \count( $keyphrases ) + $limits->usage ) > $limits->limit;
+	}
+
+	/**
+	 * Converts the passed dataset to an object.
+	 *
+	 * @param array $result The result dataset to convert to an object.
+	 *
+	 * @return object The result object.
+	 */
+	protected function to_result_object( $result ) {
+		if ( \array_key_exists( 'data', $result ) ) {
+			$result['results'] = (object) $result['data'];
+
+			unset( $result['data'] );
+		}
+
+		if ( \array_key_exists( 'message', $result ) ) {
+			$result['error'] = $result['message'];
+
+			unset( $result['message'] );
+		}
+
+		return (object) $result;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/actions/wincher/wincher-login-action.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Yoast\WP\SEO\Actions\Wincher;
+
+use Yoast\WP\SEO\Config\Wincher_Client;
+use Yoast\WP\SEO\Exceptions\OAuth\Authentication_Failed_Exception;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Class Wincher_Login_Action
+ */
+class Wincher_Login_Action {
+
+	/**
+	 * The Wincher_Client instance.
+	 *
+	 * @var Wincher_Client
+	 */
+	protected $client;
+
+	/**
+	 * The Options_Helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * Wincher_Login_Action constructor.
+	 *
+	 * @param Wincher_Client $client         The API client.
+	 * @param Options_Helper $options_helper The options helper.
+	 */
+	public function __construct( Wincher_Client $client, Options_Helper $options_helper ) {
+		$this->client         = $client;
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Returns the authorization URL.
+	 *
+	 * @return object The response object.
+	 */
+	public function get_authorization_url() {
+		return (object) [
+			'status'    => 200,
+			'url'       => $this->client->get_authorization_url(),
+		];
+	}
+
+	/**
+	 * Authenticates with Wincher to request the necessary tokens.
+	 *
+	 * @param string $code       The authentication code to use to request a token with.
+	 * @param string $website_id The website id associated with the code.
+	 *
+	 * @return object The response object.
+	 */
+	public function authenticate( $code, $website_id ) {
+		// Code has already been validated at this point. No need to do that again.
+		try {
+			$tokens = $this->client->request_tokens( $code );
+			$this->options_helper->set( 'wincher_website_id', $website_id );
+
+			return (object) [
+				'tokens' => $tokens->to_array(),
+				'status' => 200,
+			];
+		} catch ( Authentication_Failed_Exception $e ) {
+			return $e->get_response();
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/application/missing-indexables-collector.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Application;
+
+use WPSEO_Collection;
+use Yoast\WP\SEO\Actions\Indexing\Indexation_Action_Interface;
+use Yoast\WP\SEO\Analytics\Domain\Missing_Indexable_Bucket;
+use Yoast\WP\SEO\Analytics\Domain\Missing_Indexable_Count;
+
+/**
+ * Manages the collection of the missing indexable data.
+ *
+ * @makePublic
+ */
+class Missing_Indexables_Collector implements WPSEO_Collection {
+
+	/**
+	 * All the indexation actions.
+	 *
+	 * @var array<Indexation_Action_Interface>
+	 */
+	private $indexation_actions;
+
+	/**
+	 * The collector constructor.
+	 *
+	 * @param Indexation_Action_Interface ...$indexation_actions All the Indexation actions.
+	 */
+	public function __construct( Indexation_Action_Interface ...$indexation_actions ) {
+		$this->indexation_actions = $indexation_actions;
+		$this->add_additional_indexing_actions();
+	}
+
+	/**
+	 * Gets the data for the tracking collector.
+	 *
+	 * @return array The list of missing indexables.
+	 */
+	public function get() {
+		$missing_indexable_bucket = new Missing_Indexable_Bucket();
+		foreach ( $this->indexation_actions as $indexation_action ) {
+			$missing_indexable_count = new Missing_Indexable_Count( \get_class( $indexation_action ), $indexation_action->get_total_unindexed() );
+			$missing_indexable_bucket->add_missing_indexable_count( $missing_indexable_count );
+		}
+
+		return [ 'missing_indexables' => $missing_indexable_bucket->to_array() ];
+	}
+
+	/**
+	 * Adds additional indexing actions to count from the 'wpseo_indexable_collector_add_indexation_actions' filter.
+	 *
+	 * @return void
+	 */
+	private function add_additional_indexing_actions() {
+		/**
+		 * Filter: Adds the possibility to add additional indexation actions to be included in the count routine.
+		 *
+		 * @internal
+		 * @api Indexation_Action_Interface This filter expects a list of Indexation_Action_Interface instances and expects only Indexation_Action_Interface implementations to be added to the list.
+		 */
+		$indexing_actions = (array) \apply_filters( 'wpseo_indexable_collector_add_indexation_actions', $this->indexation_actions );
+
+		$this->indexation_actions = \array_filter(
+			$indexing_actions,
+			static function ( $indexing_action ) {
+				return \is_a( $indexing_action, Indexation_Action_Interface::class );
+			}
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/application/to-be-cleaned-indexables-collector.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Application;
+
+use WPSEO_Collection;
+use Yoast\WP\SEO\Analytics\Domain\To_Be_Cleaned_Indexable_Bucket;
+use Yoast\WP\SEO\Analytics\Domain\To_Be_Cleaned_Indexable_Count;
+use Yoast\WP\SEO\Repositories\Indexable_Cleanup_Repository;
+
+/**
+ * Collects data about to-be-cleaned indexables.
+ *
+ * @makePublic
+ */
+class To_Be_Cleaned_Indexables_Collector implements WPSEO_Collection {
+
+	/**
+	 * The cleanup query repository.
+	 *
+	 * @var Indexable_Cleanup_Repository
+	 */
+	private $indexable_cleanup_repository;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param Indexable_Cleanup_Repository $indexable_cleanup_repository The Indexable cleanup repository.
+	 */
+	public function __construct( Indexable_Cleanup_Repository $indexable_cleanup_repository ) {
+		$this->indexable_cleanup_repository = $indexable_cleanup_repository;
+	}
+
+	/**
+	 * Gets the data for the collector.
+	 */
+	public function get() {
+		$to_be_cleaned_indexable_bucket = new To_Be_Cleaned_Indexable_Bucket();
+		$cleanup_tasks                  = [
+			'indexables_with_post_object_type_and_shop_order_object_sub_type' => $this->indexable_cleanup_repository->count_indexables_with_object_type_and_object_sub_type( 'post', 'shop_order' ),
+			'indexables_with_auto-draft_post_status'            => $this->indexable_cleanup_repository->count_indexables_with_post_status( 'auto-draft' ),
+			'indexables_for_non_publicly_viewable_post'         => $this->indexable_cleanup_repository->count_indexables_for_non_publicly_viewable_post(),
+			'indexables_for_non_publicly_viewable_taxonomies'   => $this->indexable_cleanup_repository->count_indexables_for_non_publicly_viewable_taxonomies(),
+			'indexables_for_non_publicly_viewable_post_type_archive_pages' => $this->indexable_cleanup_repository->count_indexables_for_non_publicly_post_type_archive_pages(),
+			'indexables_for_authors_archive_disabled'           => $this->indexable_cleanup_repository->count_indexables_for_authors_archive_disabled(),
+			'indexables_for_authors_without_archive'            => $this->indexable_cleanup_repository->count_indexables_for_authors_without_archive(),
+			'indexables_for_object_type_and_source_table_users' => $this->indexable_cleanup_repository->count_indexables_for_orphaned_users(),
+			'indexables_for_object_type_and_source_table_posts' => $this->indexable_cleanup_repository->count_indexables_for_object_type_and_source_table( 'posts', 'ID', 'post' ),
+			'indexables_for_object_type_and_source_table_terms' => $this->indexable_cleanup_repository->count_indexables_for_object_type_and_source_table( 'terms', 'term_id', 'term' ),
+			'orphaned_from_table_indexable_hierarchy'           => $this->indexable_cleanup_repository->count_orphaned_from_table( 'Indexable_Hierarchy', 'indexable_id' ),
+			'orphaned_from_table_indexable_id'                  => $this->indexable_cleanup_repository->count_orphaned_from_table( 'SEO_Links', 'indexable_id' ),
+			'orphaned_from_table_target_indexable_id'           => $this->indexable_cleanup_repository->count_orphaned_from_table( 'SEO_Links', 'target_indexable_id' ),
+		];
+
+		foreach ( $cleanup_tasks as $name => $count ) {
+			if ( $count !== null ) {
+				$count_object = new To_Be_Cleaned_Indexable_Count( $name, $count );
+				$to_be_cleaned_indexable_bucket->add_to_be_cleaned_indexable_count( $count_object );
+			}
+		}
+
+		$this->add_additional_counts( $to_be_cleaned_indexable_bucket );
+
+		return [ 'to_be_cleaned_indexables' => $to_be_cleaned_indexable_bucket->to_array() ];
+	}
+
+	/**
+	 * Allows additional tasks to be added via the 'wpseo_add_cleanup_counts_to_indexable_bucket' action.
+	 *
+	 * @param To_Be_Cleaned_Indexable_Bucket $to_be_cleaned_indexable_bucket The current bucket with data.
+	 *
+	 * @return void
+	 */
+	private function add_additional_counts( $to_be_cleaned_indexable_bucket ) {
+		/**
+		 * Action: Adds the possibility to add additional to be cleaned objects.
+		 *
+		 * @internal
+		 * @api To_Be_Cleaned_Indexable_Bucket An indexable cleanup bucket. New values are instances of To_Be_Cleaned_Indexable_Count.
+		 */
+		\do_action( 'wpseo_add_cleanup_counts_to_indexable_bucket', $to_be_cleaned_indexable_bucket );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/domain/missing-indexable-bucket.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Domain;
+
+/**
+ * A collection domain object.
+ */
+class Missing_Indexable_Bucket {
+
+	/**
+	 * All the missing indexable count objects.
+	 *
+	 * @var array<Missing_Indexable_Count>
+	 */
+	private $missing_indexable_counts;
+
+	/**
+	 * The constructor.
+	 */
+	public function __construct() {
+		$this->missing_indexable_counts = [];
+	}
+
+	/**
+	 * Adds a missing indexable count object to this bucket.
+	 *
+	 * @param Missing_Indexable_Count $missing_indexable_count The missing indexable count object.
+	 *
+	 * @return void
+	 */
+	public function add_missing_indexable_count( Missing_Indexable_Count $missing_indexable_count ): void {
+		$this->missing_indexable_counts[] = $missing_indexable_count;
+	}
+
+	/**
+	 * Returns the array representation of all indexable counts.
+	 *
+	 * @return array
+	 */
+	public function to_array() {
+		return \array_map(
+			static function ( $item ) {
+				return $item->to_array();
+			},
+			$this->missing_indexable_counts
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/domain/missing-indexable-count.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Domain;
+
+/**
+ * Domain object that holds indexable count information.
+ */
+class Missing_Indexable_Count {
+
+	/**
+	 * The indexable type that is represented by this.
+	 *
+	 * @var string
+	 */
+	private $indexable_type;
+
+	/**
+	 * The amount of missing indexables.
+	 *
+	 * @var int
+	 */
+	private $count;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param string $indexable_type The indexable type that is represented by this.
+	 * @param int    $count          The amount of missing indexables.
+	 */
+	public function __construct( $indexable_type, $count ) {
+		$this->indexable_type = $indexable_type;
+		$this->count          = $count;
+	}
+
+	/**
+	 * Returns an array representation of the data.
+	 *
+	 * @return array Returns both values in an array format.
+	 */
+	public function to_array() {
+		return [
+			'indexable_type' => $this->get_indexable_type(),
+			'count'          => $this->get_count(),
+		];
+	}
+
+	/**
+	 * Gets the indexable type.
+	 *
+	 * @return string Returns the indexable type.
+	 */
+	public function get_indexable_type() {
+		return $this->indexable_type;
+	}
+
+	/**
+	 * Gets the count.
+	 *
+	 * @return int Returns the amount of missing indexables.
+	 */
+	public function get_count() {
+		return $this->count;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/domain/to-be-cleaned-indexable-bucket.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Domain;
+
+/**
+ * A collection domain object.
+ */
+class To_Be_Cleaned_Indexable_Bucket {
+
+	/**
+	 * All the to be cleaned indexable count objects.
+	 *
+	 * @var array<To_Be_Cleaned_Indexable_Count>
+	 */
+	private $to_be_cleaned_indexable_counts;
+
+	/**
+	 * The constructor.
+	 */
+	public function __construct() {
+		$this->to_be_cleaned_indexable_counts = [];
+	}
+
+	/**
+	 * Adds a 'to be cleaned' indexable count object to this bucket.
+	 *
+	 * @param To_Be_Cleaned_Indexable_Count $to_be_cleaned_indexable_counts The to be cleaned indexable count object.
+	 *
+	 * @return void
+	 */
+	public function add_to_be_cleaned_indexable_count( To_Be_Cleaned_Indexable_Count $to_be_cleaned_indexable_counts ) {
+		$this->to_be_cleaned_indexable_counts[] = $to_be_cleaned_indexable_counts;
+	}
+
+	/**
+	 * Returns the array representation of all indexable counts.
+	 *
+	 * @return array
+	 */
+	public function to_array() {
+		return \array_map(
+			static function ( $item ) {
+				return $item->to_array();
+			},
+			$this->to_be_cleaned_indexable_counts
+		);
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/domain/to-be-cleaned-indexable-count.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\Domain;
+
+/**
+ * The to be cleaned indexable domain object.
+ */
+class To_Be_Cleaned_Indexable_Count {
+
+	/**
+	 * The cleanup task that is represented by this.
+	 *
+	 * @var string
+	 */
+	private $cleanup_name;
+
+	/**
+	 * The amount of missing indexables.
+	 *
+	 * @var int
+	 */
+	private $count;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param string $cleanup_name The indexable type that is represented by this.
+	 * @param int    $count        The amount of missing indexables.
+	 */
+	public function __construct( $cleanup_name, $count ) {
+		$this->cleanup_name = $cleanup_name;
+		$this->count        = $count;
+	}
+
+	/**
+	 * Returns an array representation of the data.
+	 *
+	 * @return array Returns both values in an array format.
+	 */
+	public function to_array() {
+		return [
+			'cleanup_name' => $this->get_cleanup_name(),
+			'count'        => $this->get_count(),
+		];
+	}
+
+	/**
+	 * Gets the name.
+	 *
+	 * @return string
+	 */
+	public function get_cleanup_name() {
+		return $this->cleanup_name;
+	}
+
+	/**
+	 * Gets the count.
+	 *
+	 * @return int Returns the amount of missing indexables.
+	 */
+	public function get_count() {
+		return $this->count;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/analytics/user-interface/last-completed-indexation-integration.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Yoast\WP\SEO\Analytics\User_Interface;
+
+use Yoast\WP\SEO\Conditionals\No_Conditionals;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+
+/**
+ * Handles setting a timestamp when the indexation of a specific indexation action is completed.
+ */
+class Last_Completed_Indexation_Integration implements Integration_Interface {
+
+	use No_Conditionals;
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper The options helper.
+	 */
+	private $options_helper;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param Options_Helper $options_helper The options helper.
+	 */
+	public function __construct( Options_Helper $options_helper ) {
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Registers action hook to maybe save an option.
+	 *
+	 * @return void
+	 */
+	public function register_hooks(): void {
+		\add_action(
+			'wpseo_indexables_unindexed_calculated',
+			[
+				$this,
+				'maybe_set_indexables_unindexed_calculated',
+			],
+			10,
+			2
+		);
+	}
+
+	/**
+	 * Saves a timestamp option when there are no unindexed indexables.
+	 *
+	 * @param string $indexable_name The name of the indexable that is being checked.
+	 * @param int    $count          The amount of missing indexables.
+	 *
+	 * @return void
+	 */
+	public function maybe_set_indexables_unindexed_calculated( string $indexable_name, int $count ): void {
+		if ( $count === 0 ) {
+			$no_index                    = $this->options_helper->get( 'last_known_no_unindexed', [] );
+			$no_index[ $indexable_name ] = \time();
+			$this->options_helper->set( 'last_known_no_unindexed', $no_index );
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-author-builder.php

@@ -0,0 +1,248 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Exceptions\Indexable\Author_Not_Built_Exception;
+use Yoast\WP\SEO\Helpers\Author_Archive_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Author Builder for the indexables.
+ *
+ * Formats the author meta to indexable format.
+ */
+class Indexable_Author_Builder {
+
+	use Indexable_Social_Image_Trait;
+
+	/**
+	 * The author archive helper.
+	 *
+	 * @var Author_Archive_Helper
+	 */
+	private $author_archive;
+
+	/**
+	 * The latest version of the Indexable_Author_Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Holds the options helper instance.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * Holds the taxonomy helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * Indexable_Author_Builder constructor.
+	 *
+	 * @param Author_Archive_Helper      $author_archive The author archive helper.
+	 * @param Indexable_Builder_Versions $versions       The Indexable version manager.
+	 * @param Options_Helper             $options_helper The options helper.
+	 * @param Post_Helper                $post_helper    The post helper.
+	 */
+	public function __construct(
+		Author_Archive_Helper $author_archive,
+		Indexable_Builder_Versions $versions,
+		Options_Helper $options_helper,
+		Post_Helper $post_helper
+	) {
+		$this->author_archive = $author_archive;
+		$this->version        = $versions->get_latest_version_for_type( 'user' );
+		$this->options_helper = $options_helper;
+		$this->post_helper    = $post_helper;
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param int       $user_id   The user to retrieve the indexable for.
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return Indexable The extended indexable.
+	 *
+	 * @throws Author_Not_Built_Exception When author is not built.
+	 */
+	public function build( $user_id, Indexable $indexable ) {
+		$exception = $this->check_if_user_should_be_indexed( $user_id );
+		if ( $exception ) {
+			throw $exception;
+		}
+
+		$meta_data = $this->get_meta_data( $user_id );
+
+		$indexable->object_id              = $user_id;
+		$indexable->object_type            = 'user';
+		$indexable->permalink              = \get_author_posts_url( $user_id );
+		$indexable->title                  = $meta_data['wpseo_title'];
+		$indexable->description            = $meta_data['wpseo_metadesc'];
+		$indexable->is_cornerstone         = false;
+		$indexable->is_robots_noindex      = ( $meta_data['wpseo_noindex_author'] === 'on' );
+		$indexable->is_robots_nofollow     = null;
+		$indexable->is_robots_noarchive    = null;
+		$indexable->is_robots_noimageindex = null;
+		$indexable->is_robots_nosnippet    = null;
+		$indexable->is_public              = ( $indexable->is_robots_noindex ) ? false : null;
+		$indexable->has_public_posts       = $this->author_archive->author_has_public_posts( $user_id );
+		$indexable->blog_id                = \get_current_blog_id();
+
+		$this->reset_social_images( $indexable );
+		$this->handle_social_images( $indexable );
+
+		$timestamps                      = $this->get_object_timestamps( $user_id );
+		$indexable->object_published_at  = $timestamps->published_at;
+		$indexable->object_last_modified = $timestamps->last_modified;
+
+		$indexable->version = $this->version;
+
+		return $indexable;
+	}
+
+	/**
+	 * Retrieves the meta data for this indexable.
+	 *
+	 * @param int $user_id The user to retrieve the meta data for.
+	 *
+	 * @return array List of meta entries.
+	 */
+	protected function get_meta_data( $user_id ) {
+		$keys = [
+			'wpseo_title',
+			'wpseo_metadesc',
+			'wpseo_noindex_author',
+		];
+
+		$output = [];
+		foreach ( $keys as $key ) {
+			$output[ $key ] = $this->get_author_meta( $user_id, $key );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Retrieves the author meta.
+	 *
+	 * @param int    $user_id The user to retrieve the indexable for.
+	 * @param string $key     The meta entry to retrieve.
+	 *
+	 * @return string|null The value of the meta field.
+	 */
+	protected function get_author_meta( $user_id, $key ) {
+		$value = \get_the_author_meta( $key, $user_id );
+		if ( \is_string( $value ) && $value === '' ) {
+			return null;
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Finds an alternative image for the social image.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return array|bool False when not found, array with data when found.
+	 */
+	protected function find_alternative_image( Indexable $indexable ) {
+		$gravatar_image = \get_avatar_url(
+			$indexable->object_id,
+			[
+				'size'   => 500,
+				'scheme' => 'https',
+			]
+		);
+		if ( $gravatar_image ) {
+			return [
+				'image'  => $gravatar_image,
+				'source' => 'gravatar-image',
+			];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns the timestamps for a given author.
+	 *
+	 * @param int $author_id The author ID.
+	 *
+	 * @return object An object with last_modified and published_at timestamps.
+	 */
+	protected function get_object_timestamps( $author_id ) {
+		global $wpdb;
+		$post_statuses = $this->post_helper->get_public_post_statuses();
+
+		$replacements   = [];
+		$replacements[] = 'post_modified_gmt';
+		$replacements[] = 'post_date_gmt';
+		$replacements[] = $wpdb->posts;
+		$replacements[] = 'post_status';
+		$replacements   = \array_merge( $replacements, $post_statuses );
+		$replacements[] = 'post_password';
+		$replacements[] = 'post_author';
+		$replacements[] = $author_id;
+
+		//phpcs:disable WordPress.DB.PreparedSQLPlaceholders -- %i placeholder is still not recognized.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery -- Reason: Most performant way.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Reason: No relevant caches.
+		return $wpdb->get_row(
+			$wpdb->prepare(
+				'
+				SELECT MAX(p.%i) AS last_modified, MIN(p.%i) AS published_at
+				FROM %i AS p
+				WHERE p.%i IN (' . \implode( ', ', \array_fill( 0, \count( $post_statuses ), '%s' ) ) . ")
+					AND p.%i = ''
+					AND p.%i = %d
+				",
+				$replacements
+			)
+		);
+		//phpcs:enable
+	}
+
+	/**
+	 * Checks if the user should be indexed.
+	 * Returns an exception with an appropriate message if not.
+	 *
+	 * @param string $user_id The user id.
+	 *
+	 * @return Author_Not_Built_Exception|null The exception if it should not be indexed, or `null` if it should.
+	 */
+	protected function check_if_user_should_be_indexed( $user_id ) {
+		$exception = null;
+
+		if ( $this->author_archive->are_disabled() ) {
+			$exception = Author_Not_Built_Exception::author_archives_are_disabled( $user_id );
+		}
+
+		// We will check if the author has public posts the WP way, instead of the indexable way, to make sure we get proper results even if SEO optimization is not run.
+		// In case the user has no public posts, we check if the user should be indexed anyway.
+		if ( $this->options_helper->get( 'noindex-author-noposts-wpseo', false ) === true && $this->author_archive->author_has_public_posts_wp( $user_id ) === false ) {
+			$exception = Author_Not_Built_Exception::author_archives_are_not_indexed_for_users_without_posts( $user_id );
+		}
+
+		/**
+		 * Filter: Include or exclude a user from being build and saved as an indexable.
+		 * Return an `Author_Not_Built_Exception` when the indexable should not be build, with an appropriate message telling why it should not be built.
+		 * Return `null` if the indexable should be build.
+		 *
+		 * @param Author_Not_Built_Exception|null $exception An exception if the indexable is not being built, `null` if the indexable should be built.
+		 * @param string                          $user_id   The ID of the user that should or should not be excluded.
+		 */
+		return \apply_filters( 'wpseo_should_build_and_save_user_indexable', $exception, $user_id );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-builder.php

@@ -0,0 +1,460 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Exceptions\Indexable\Not_Built_Exception;
+use Yoast\WP\SEO\Exceptions\Indexable\Source_Exception;
+use Yoast\WP\SEO\Helpers\Indexable_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Services\Indexables\Indexable_Version_Manager;
+
+/**
+ * Builder for the indexables.
+ *
+ * Creates all the indexables.
+ */
+class Indexable_Builder {
+
+	/**
+	 * The author builder.
+	 *
+	 * @var Indexable_Author_Builder
+	 */
+	private $author_builder;
+
+	/**
+	 * The post builder.
+	 *
+	 * @var Indexable_Post_Builder
+	 */
+	private $post_builder;
+
+	/**
+	 * The term builder.
+	 *
+	 * @var Indexable_Term_Builder
+	 */
+	private $term_builder;
+
+	/**
+	 * The home page builder.
+	 *
+	 * @var Indexable_Home_Page_Builder
+	 */
+	private $home_page_builder;
+
+	/**
+	 * The post type archive builder.
+	 *
+	 * @var Indexable_Post_Type_Archive_Builder
+	 */
+	private $post_type_archive_builder;
+
+	/**
+	 * The data archive builder.
+	 *
+	 * @var Indexable_Date_Archive_Builder
+	 */
+	private $date_archive_builder;
+
+	/**
+	 * The system page builder.
+	 *
+	 * @var Indexable_System_Page_Builder
+	 */
+	private $system_page_builder;
+
+	/**
+	 * The indexable hierarchy builder.
+	 *
+	 * @var Indexable_Hierarchy_Builder
+	 */
+	private $hierarchy_builder;
+
+	/**
+	 * The primary term builder
+	 *
+	 * @var Primary_Term_Builder
+	 */
+	private $primary_term_builder;
+
+	/**
+	 * The link builder
+	 *
+	 * @var Indexable_Link_Builder
+	 */
+	private $link_builder;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	private $indexable_repository;
+
+	/**
+	 * The indexable helper.
+	 *
+	 * @var Indexable_Helper
+	 */
+	protected $indexable_helper;
+
+	/**
+	 * The Indexable Version Manager.
+	 *
+	 * @var Indexable_Version_Manager
+	 */
+	protected $version_manager;
+
+	/**
+	 * Returns the instance of this class constructed through the ORM Wrapper.
+	 *
+	 * @param Indexable_Author_Builder            $author_builder            The author builder for creating missing indexables.
+	 * @param Indexable_Post_Builder              $post_builder              The post builder for creating missing indexables.
+	 * @param Indexable_Term_Builder              $term_builder              The term builder for creating missing indexables.
+	 * @param Indexable_Home_Page_Builder         $home_page_builder         The front page builder for creating missing indexables.
+	 * @param Indexable_Post_Type_Archive_Builder $post_type_archive_builder The post type archive builder for creating missing indexables.
+	 * @param Indexable_Date_Archive_Builder      $date_archive_builder      The date archive builder for creating missing indexables.
+	 * @param Indexable_System_Page_Builder       $system_page_builder       The search result builder for creating missing indexables.
+	 * @param Indexable_Hierarchy_Builder         $hierarchy_builder         The hierarchy builder for creating the indexable hierarchy.
+	 * @param Primary_Term_Builder                $primary_term_builder      The primary term builder for creating primary terms for posts.
+	 * @param Indexable_Helper                    $indexable_helper          The indexable helper.
+	 * @param Indexable_Version_Manager           $version_manager           The indexable version manager.
+	 * @param Indexable_Link_Builder              $link_builder              The link builder for creating missing SEO links.
+	 */
+	public function __construct(
+		Indexable_Author_Builder $author_builder,
+		Indexable_Post_Builder $post_builder,
+		Indexable_Term_Builder $term_builder,
+		Indexable_Home_Page_Builder $home_page_builder,
+		Indexable_Post_Type_Archive_Builder $post_type_archive_builder,
+		Indexable_Date_Archive_Builder $date_archive_builder,
+		Indexable_System_Page_Builder $system_page_builder,
+		Indexable_Hierarchy_Builder $hierarchy_builder,
+		Primary_Term_Builder $primary_term_builder,
+		Indexable_Helper $indexable_helper,
+		Indexable_Version_Manager $version_manager,
+		Indexable_Link_Builder $link_builder
+	) {
+		$this->author_builder            = $author_builder;
+		$this->post_builder              = $post_builder;
+		$this->term_builder              = $term_builder;
+		$this->home_page_builder         = $home_page_builder;
+		$this->post_type_archive_builder = $post_type_archive_builder;
+		$this->date_archive_builder      = $date_archive_builder;
+		$this->system_page_builder       = $system_page_builder;
+		$this->hierarchy_builder         = $hierarchy_builder;
+		$this->primary_term_builder      = $primary_term_builder;
+		$this->indexable_helper          = $indexable_helper;
+		$this->version_manager           = $version_manager;
+		$this->link_builder              = $link_builder;
+	}
+
+	/**
+	 * Sets the indexable repository. Done to avoid circular dependencies.
+	 *
+	 * @required
+	 *
+	 * @param Indexable_Repository $indexable_repository The indexable repository.
+	 */
+	public function set_indexable_repository( Indexable_Repository $indexable_repository ) {
+		$this->indexable_repository = $indexable_repository;
+	}
+
+	/**
+	 * Creates a clean copy of an Indexable to allow for later database operations.
+	 *
+	 * @param Indexable $indexable The Indexable to copy.
+	 *
+	 * @return bool|Indexable
+	 */
+	protected function deep_copy_indexable( $indexable ) {
+		return $this->indexable_repository
+			->query()
+			->create( $indexable->as_array() );
+	}
+
+	/**
+	 * Creates an indexable by its ID and type.
+	 *
+	 * @param int            $object_id   The indexable object ID.
+	 * @param string         $object_type The indexable object type.
+	 * @param Indexable|bool $indexable   Optional. An existing indexable to overwrite.
+	 *
+	 * @return bool|Indexable Instance of indexable. False when unable to build.
+	 */
+	public function build_for_id_and_type( $object_id, $object_type, $indexable = false ) {
+		$defaults = [
+			'object_type' => $object_type,
+			'object_id'   => $object_id,
+		];
+
+		$indexable = $this->build( $indexable, $defaults );
+
+		return $indexable;
+	}
+
+	/**
+	 * Creates an indexable for the homepage.
+	 *
+	 * @param Indexable|bool $indexable Optional. An existing indexable to overwrite.
+	 *
+	 * @return Indexable The home page indexable.
+	 */
+	public function build_for_home_page( $indexable = false ) {
+		return $this->build( $indexable, [ 'object_type' => 'home-page' ] );
+	}
+
+	/**
+	 * Creates an indexable for the date archive.
+	 *
+	 * @param Indexable|bool $indexable Optional. An existing indexable to overwrite.
+	 *
+	 * @return Indexable The date archive indexable.
+	 */
+	public function build_for_date_archive( $indexable = false ) {
+		return $this->build( $indexable, [ 'object_type' => 'date-archive' ] );
+	}
+
+	/**
+	 * Creates an indexable for a post type archive.
+	 *
+	 * @param string         $post_type The post type.
+	 * @param Indexable|bool $indexable Optional. An existing indexable to overwrite.
+	 *
+	 * @return Indexable The post type archive indexable.
+	 */
+	public function build_for_post_type_archive( $post_type, $indexable = false ) {
+		$defaults = [
+			'object_type'     => 'post-type-archive',
+			'object_sub_type' => $post_type,
+		];
+		return $this->build( $indexable, $defaults );
+	}
+
+	/**
+	 * Creates an indexable for a system page.
+	 *
+	 * @param string         $page_type The type of system page.
+	 * @param Indexable|bool $indexable Optional. An existing indexable to overwrite.
+	 *
+	 * @return Indexable The search result indexable.
+	 */
+	public function build_for_system_page( $page_type, $indexable = false ) {
+		$defaults = [
+			'object_type'     => 'system-page',
+			'object_sub_type' => $page_type,
+		];
+		return $this->build( $indexable, $defaults );
+	}
+
+	/**
+	 * Ensures we have a valid indexable. Creates one if false is passed.
+	 *
+	 * @param Indexable|false $indexable The indexable.
+	 * @param array           $defaults  The initial properties of the Indexable.
+	 *
+	 * @return Indexable The indexable.
+	 */
+	protected function ensure_indexable( $indexable, $defaults = [] ) {
+		if ( ! $indexable ) {
+			return $this->indexable_repository->query()->create( $defaults );
+		}
+
+		return $indexable;
+	}
+
+	/**
+	 * Saves and returns an indexable (on production environments only).
+	 *
+	 * @param Indexable      $indexable        The indexable.
+	 * @param Indexable|null $indexable_before The indexable before possible changes.
+	 *
+	 * @return Indexable The indexable.
+	 */
+	protected function save_indexable( $indexable, $indexable_before = null ) {
+		$intend_to_save = $this->indexable_helper->should_index_indexables();
+
+		/**
+		 * Filter: 'wpseo_should_save_indexable' - Allow developers to enable / disable
+		 * saving the indexable when the indexable is updated. Warning: overriding
+		 * the intended action may cause problems when moving from a staging to a
+		 * production environment because indexable permalinks may get set incorrectly.
+		 *
+		 * @param Indexable $indexable The indexable to be saved.
+		 *
+		 * @api bool $intend_to_save True if YoastSEO intends to save the indexable.
+		 */
+		$intend_to_save = \apply_filters( 'wpseo_should_save_indexable', $intend_to_save, $indexable );
+
+		if ( ! $intend_to_save ) {
+			return $indexable;
+		}
+
+		// Save the indexable before running the WordPress hook.
+		$indexable->save();
+
+		if ( $indexable_before ) {
+			/**
+			 * Action: 'wpseo_save_indexable' - Allow developers to perform an action
+			 * when the indexable is updated.
+			 *
+			 * @param Indexable $indexable_before The indexable before saving.
+			 *
+			 * @api Indexable $indexable The saved indexable.
+			 */
+			\do_action( 'wpseo_save_indexable', $indexable, $indexable_before );
+		}
+
+		return $indexable;
+	}
+
+	/**
+	 * Build and author indexable from an author id if it does not exist yet, or if the author indexable needs to be upgraded.
+	 *
+	 * @param int $author_id The author id.
+	 *
+	 * @return Indexable|false The author indexable if it has been built, `false` if it could not be built.
+	 */
+	protected function maybe_build_author_indexable( $author_id ) {
+		$author_indexable = $this->indexable_repository->find_by_id_and_type(
+			$author_id,
+			'user',
+			false
+		);
+		if ( ! $author_indexable || $this->version_manager->indexable_needs_upgrade( $author_indexable ) ) {
+			// Try to build the author.
+			$author_defaults  = [
+				'object_type' => 'user',
+				'object_id'   => $author_id,
+			];
+			$author_indexable = $this->build( $author_indexable, $author_defaults );
+		}
+		return $author_indexable;
+	}
+
+	/**
+	 * Checks if the indexable type is one that is not supposed to have object ID for.
+	 *
+	 * @param string $type The type of the indexable.
+	 *
+	 * @return bool Whether the indexable type is one that is not supposed to have object ID for.
+	 */
+	protected function is_type_with_no_id( $type ) {
+		return \in_array( $type, [ 'home-page', 'date-archive', 'post-type-archive', 'system-page' ], true );
+	}
+
+	// phpcs:disable Squiz.Commenting.FunctionCommentThrowTag.Missing -- Exceptions are handled by the catch statement in the method.
+
+	/**
+	 * Rebuilds an Indexable from scratch.
+	 *
+	 * @param Indexable  $indexable The Indexable to (re)build.
+	 * @param array|null $defaults  The object type of the Indexable.
+	 *
+	 * @return Indexable|false The resulting Indexable.
+	 */
+	public function build( $indexable, $defaults = null ) {
+		// Backup the previous Indexable, if there was one.
+		$indexable_before = ( $indexable ) ? $this->deep_copy_indexable( $indexable ) : null;
+
+		// Make sure we have an Indexable to work with.
+		$indexable = $this->ensure_indexable( $indexable, $defaults );
+
+		try {
+			if ( $indexable->object_id === 0 ) {
+				throw Not_Built_Exception::invalid_object_id( $indexable->object_id );
+			}
+			switch ( $indexable->object_type ) {
+
+				case 'post':
+					$indexable = $this->post_builder->build( $indexable->object_id, $indexable );
+
+					// Save indexable, to make sure it can be queried when building related objects like the author indexable and hierarchy.
+					$indexable = $this->save_indexable( $indexable, $indexable_before );
+
+					// For attachments, we have to make sure to patch any potentially previously cleaned up SEO links.
+					if ( \is_a( $indexable, Indexable::class ) && $indexable->object_sub_type === 'attachment' ) {
+						$this->link_builder->patch_seo_links( $indexable );
+					}
+
+					// Always rebuild the primary term.
+					$this->primary_term_builder->build( $indexable->object_id );
+
+					// Always rebuild the hierarchy; this needs the primary term to run correctly.
+					$this->hierarchy_builder->build( $indexable );
+
+					$this->maybe_build_author_indexable( $indexable->author_id );
+
+					// The indexable is already saved, so return early.
+					return $indexable;
+
+				case 'user':
+					$indexable = $this->author_builder->build( $indexable->object_id, $indexable );
+					break;
+
+				case 'term':
+					$indexable = $this->term_builder->build( $indexable->object_id, $indexable );
+
+					// Save indexable, to make sure it can be queried when building hierarchy.
+					$indexable = $this->save_indexable( $indexable, $indexable_before );
+
+					$this->hierarchy_builder->build( $indexable );
+
+					// The indexable is already saved, so return early.
+					return $indexable;
+
+				case 'home-page':
+					$indexable = $this->home_page_builder->build( $indexable );
+					break;
+
+				case 'date-archive':
+					$indexable = $this->date_archive_builder->build( $indexable );
+					break;
+
+				case 'post-type-archive':
+					$indexable = $this->post_type_archive_builder->build( $indexable->object_sub_type, $indexable );
+					break;
+
+				case 'system-page':
+					$indexable = $this->system_page_builder->build( $indexable->object_sub_type, $indexable );
+					break;
+			}
+
+			return $this->save_indexable( $indexable, $indexable_before );
+		}
+		catch ( Source_Exception $exception ) {
+			if ( ! $this->is_type_with_no_id( $indexable->object_type ) && ( ! isset( $indexable->object_id ) || \is_null( $indexable->object_id ) ) ) {
+				return false;
+			}
+
+			/**
+			 * The current indexable could not be indexed. Create a placeholder indexable, so we can
+			 * skip this indexable in future indexing runs.
+			 *
+			 * @var Indexable $indexable
+			 */
+			$indexable = $this->ensure_indexable(
+				$indexable,
+				[
+					'object_id'   => $indexable->object_id,
+					'object_type' => $indexable->object_type,
+					'post_status' => 'unindexed',
+					'version'     => 0,
+				]
+			);
+			// If we already had an existing indexable, mark it as unindexed. We cannot rely on its validity anymore.
+			$indexable->post_status = 'unindexed';
+			// Make sure that the indexing process doesn't get stuck in a loop on this broken indexable.
+			$indexable = $this->version_manager->set_latest( $indexable );
+
+			return $this->save_indexable( $indexable, $indexable_before );
+		}
+		catch ( Not_Built_Exception $exception ) {
+			return false;
+		}
+	}
+
+	// phpcs:enable
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-date-archive-builder.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Date Archive Builder for the indexables.
+ *
+ * Formats the date archive meta to indexable format.
+ */
+class Indexable_Date_Archive_Builder {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * The latest version of the Indexable_Date_Archive_Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Indexable_Date_Archive_Builder constructor.
+	 *
+	 * @param Options_Helper             $options  The options helper.
+	 * @param Indexable_Builder_Versions $versions The latest version for all indexable builders.
+	 */
+	public function __construct(
+		Options_Helper $options,
+		Indexable_Builder_Versions $versions
+	) {
+		$this->options = $options;
+		$this->version = $versions->get_latest_version_for_type( 'date-archive' );
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return Indexable The extended indexable.
+	 */
+	public function build( $indexable ) {
+		$indexable->object_type       = 'date-archive';
+		$indexable->title             = $this->options->get( 'title-archive-wpseo' );
+		$indexable->description       = $this->options->get( 'metadesc-archive-wpseo' );
+		$indexable->is_robots_noindex = $this->options->get( 'noindex-archive-wpseo' );
+		$indexable->is_public         = ( (int) $indexable->is_robots_noindex !== 1 );
+		$indexable->blog_id           = \get_current_blog_id();
+		$indexable->permalink         = null;
+		$indexable->version           = $this->version;
+
+		return $indexable;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php

@@ -0,0 +1,400 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use WP_Post;
+use WP_Term;
+use WPSEO_Meta;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Hierarchy_Repository;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Repositories\Primary_Term_Repository;
+
+/**
+ * Builder for the indexables hierarchy.
+ *
+ * Builds the indexable hierarchy for indexables.
+ */
+class Indexable_Hierarchy_Builder {
+
+	/**
+	 * Holds a list of indexables where the ancestors are saved for.
+	 *
+	 * @var array
+	 */
+	protected $saved_ancestors = [];
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	private $indexable_repository;
+
+	/**
+	 * The indexable hierarchy repository.
+	 *
+	 * @var Indexable_Hierarchy_Repository
+	 */
+	private $indexable_hierarchy_repository;
+
+	/**
+	 * The primary term repository.
+	 *
+	 * @var Primary_Term_Repository
+	 */
+	private $primary_term_repository;
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * Holds the Post_Helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	private $post;
+
+	/**
+	 * Indexable_Author_Builder constructor.
+	 *
+	 * @param Indexable_Hierarchy_Repository $indexable_hierarchy_repository The indexable hierarchy repository.
+	 * @param Primary_Term_Repository        $primary_term_repository        The primary term repository.
+	 * @param Options_Helper                 $options                        The options helper.
+	 * @param Post_Helper                    $post                           The post helper.
+	 */
+	public function __construct(
+		Indexable_Hierarchy_Repository $indexable_hierarchy_repository,
+		Primary_Term_Repository $primary_term_repository,
+		Options_Helper $options,
+		Post_Helper $post
+	) {
+		$this->indexable_hierarchy_repository = $indexable_hierarchy_repository;
+		$this->primary_term_repository        = $primary_term_repository;
+		$this->options                        = $options;
+		$this->post                           = $post;
+	}
+
+	/**
+	 * Sets the indexable repository. Done to avoid circular dependencies.
+	 *
+	 * @required
+	 *
+	 * @param Indexable_Repository $indexable_repository The indexable repository.
+	 */
+	public function set_indexable_repository( Indexable_Repository $indexable_repository ) {
+		$this->indexable_repository = $indexable_repository;
+	}
+
+	/**
+	 * Builds the ancestor hierarchy for an indexable.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return Indexable The indexable.
+	 */
+	public function build( Indexable $indexable ) {
+		if ( $this->hierarchy_is_built( $indexable ) ) {
+			return $indexable;
+		}
+
+		$this->indexable_hierarchy_repository->clear_ancestors( $indexable->id );
+
+		$indexable_id = $this->get_indexable_id( $indexable );
+		$ancestors    = [];
+		if ( $indexable->object_type === 'post' ) {
+			$this->add_ancestors_for_post( $indexable_id, $indexable->object_id, $ancestors );
+		}
+
+		if ( $indexable->object_type === 'term' ) {
+			$this->add_ancestors_for_term( $indexable_id, $indexable->object_id, $ancestors );
+		}
+		$indexable->ancestors     = \array_reverse( \array_values( $ancestors ) );
+		$indexable->has_ancestors = ! empty( $ancestors );
+		if ( $indexable->id ) {
+			$this->save_ancestors( $indexable );
+		}
+
+		return $indexable;
+	}
+
+	/**
+	 * Checks if a hierarchy is built already for the given indexable.
+	 *
+	 * @param Indexable $indexable The indexable to check.
+	 *
+	 * @return bool True when indexable has a built hierarchy.
+	 */
+	protected function hierarchy_is_built( Indexable $indexable ) {
+		if ( \in_array( $indexable->id, $this->saved_ancestors, true ) ) {
+			return true;
+		}
+
+		$this->saved_ancestors[] = $indexable->id;
+
+		return false;
+	}
+
+	/**
+	 * Saves the ancestors.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return void
+	 */
+	private function save_ancestors( $indexable ) {
+		if ( empty( $indexable->ancestors ) ) {
+			$this->indexable_hierarchy_repository->add_ancestor( $indexable->id, 0, 0 );
+			return;
+		}
+		$depth = \count( $indexable->ancestors );
+		foreach ( $indexable->ancestors as $ancestor ) {
+			$this->indexable_hierarchy_repository->add_ancestor( $indexable->id, $ancestor->id, $depth );
+			--$depth;
+		}
+	}
+
+	/**
+	 * Adds ancestors for a post.
+	 *
+	 * @param int   $indexable_id The indexable id, this is the id of the original indexable.
+	 * @param int   $post_id      The post id, this is the id of the post currently being evaluated.
+	 * @param int[] $parents      The indexable IDs of all parents.
+	 *
+	 * @return void
+	 */
+	private function add_ancestors_for_post( $indexable_id, $post_id, &$parents ) {
+		$post = $this->post->get_post( $post_id );
+
+		if ( ! isset( $post->post_parent ) ) {
+			return;
+		}
+
+		if ( $post->post_parent !== 0 && $this->post->get_post( $post->post_parent ) !== null ) {
+			$ancestor = $this->indexable_repository->find_by_id_and_type( $post->post_parent, 'post' );
+			if ( $this->is_invalid_ancestor( $ancestor, $indexable_id, $parents ) ) {
+				return;
+			}
+
+			$parents[ $this->get_indexable_id( $ancestor ) ] = $ancestor;
+
+			$this->add_ancestors_for_post( $indexable_id, $ancestor->object_id, $parents );
+
+			return;
+		}
+
+		$primary_term_id = $this->find_primary_term_id_for_post( $post );
+
+		if ( $primary_term_id === 0 ) {
+			return;
+		}
+
+		$ancestor = $this->indexable_repository->find_by_id_and_type( $primary_term_id, 'term' );
+		if ( $this->is_invalid_ancestor( $ancestor, $indexable_id, $parents ) ) {
+			return;
+		}
+
+		$parents[ $this->get_indexable_id( $ancestor ) ] = $ancestor;
+
+		$this->add_ancestors_for_term( $indexable_id, $ancestor->object_id, $parents );
+	}
+
+	/**
+	 * Adds ancestors for a term.
+	 *
+	 * @param int   $indexable_id The indexable id, this is the id of the original indexable.
+	 * @param int   $term_id      The term id, this is the id of the term currently being evaluated.
+	 * @param int[] $parents      The indexable IDs of all parents.
+	 *
+	 * @return void
+	 */
+	private function add_ancestors_for_term( $indexable_id, $term_id, &$parents = [] ) {
+		$term         = \get_term( $term_id );
+		$term_parents = $this->get_term_parents( $term );
+
+		foreach ( $term_parents as $parent ) {
+			$ancestor = $this->indexable_repository->find_by_id_and_type( $parent->term_id, 'term' );
+			if ( $this->is_invalid_ancestor( $ancestor, $indexable_id, $parents ) ) {
+				continue;
+			}
+
+			$parents[ $this->get_indexable_id( $ancestor ) ] = $ancestor;
+		}
+	}
+
+	/**
+	 * Gets the primary term ID for a post.
+	 *
+	 * @param WP_Post $post The post.
+	 *
+	 * @return int The primary term ID. 0 if none exists.
+	 */
+	private function find_primary_term_id_for_post( $post ) {
+		$main_taxonomy = $this->options->get( 'post_types-' . $post->post_type . '-maintax' );
+
+		if ( ! $main_taxonomy || $main_taxonomy === '0' ) {
+			return 0;
+		}
+
+		$primary_term_id = $this->get_primary_term_id( $post->ID, $main_taxonomy );
+
+		if ( $primary_term_id ) {
+			$term = \get_term( $primary_term_id );
+			if ( $term !== null && ! \is_wp_error( $term ) ) {
+				return $primary_term_id;
+			}
+		}
+
+		$terms = \get_the_terms( $post->ID, $main_taxonomy );
+
+		if ( ! \is_array( $terms ) || empty( $terms ) ) {
+			return 0;
+		}
+
+		return $this->find_deepest_term_id( $terms );
+	}
+
+	/**
+	 * Find the deepest term in an array of term objects.
+	 *
+	 * @param array $terms Terms set.
+	 *
+	 * @return int The deepest term ID.
+	 */
+	private function find_deepest_term_id( $terms ) {
+		/*
+		 * Let's find the deepest term in this array, by looping through and then
+		 * unsetting every term that is used as a parent by another one in the array.
+		 */
+		$terms_by_id = [];
+		foreach ( $terms as $term ) {
+			$terms_by_id[ $term->term_id ] = $term;
+		}
+		foreach ( $terms as $term ) {
+			unset( $terms_by_id[ $term->parent ] );
+		}
+
+		/*
+		 * As we could still have two subcategories, from different parent categories,
+		 * let's pick the one with the lowest ordered ancestor.
+		 */
+		$parents_count = -1;
+		$term_order    = 9999; // Because ASC.
+		$deepest_term  = \reset( $terms_by_id );
+		foreach ( $terms_by_id as $term ) {
+			$parents = $this->get_term_parents( $term );
+
+			$new_parents_count = \count( $parents );
+
+			if ( $new_parents_count < $parents_count ) {
+				continue;
+			}
+
+			$parent_order = 9999; // Set default order.
+			foreach ( $parents as $parent ) {
+				if ( $parent->parent === 0 && isset( $parent->term_order ) ) {
+					$parent_order = $parent->term_order;
+				}
+			}
+
+			// Check if parent has lowest order.
+			if ( $new_parents_count > $parents_count || $parent_order < $term_order ) {
+				$term_order   = $parent_order;
+				$deepest_term = $term;
+			}
+
+			$parents_count = $new_parents_count;
+		}
+
+		return $deepest_term->term_id;
+	}
+
+	/**
+	 * Get a term's parents.
+	 *
+	 * @param WP_Term $term Term to get the parents for.
+	 *
+	 * @return WP_Term[] An array of all this term's parents.
+	 */
+	private function get_term_parents( $term ) {
+		$tax     = $term->taxonomy;
+		$parents = [];
+		while ( (int) $term->parent !== 0 ) {
+			$term      = \get_term( $term->parent, $tax );
+			$parents[] = $term;
+		}
+
+		return $parents;
+	}
+
+	/**
+	 * Checks if an ancestor is valid to add.
+	 *
+	 * @param Indexable $ancestor     The ancestor (presumed indexable) to check.
+	 * @param int       $indexable_id The indexable id we're adding ancestors for.
+	 * @param int[]     $parents      The indexable ids of the parents already added.
+	 *
+	 * @return bool
+	 */
+	private function is_invalid_ancestor( $ancestor, $indexable_id, $parents ) {
+		// If the ancestor is not an Indexable, it is invalid by default.
+		if ( ! \is_a( $ancestor, 'Yoast\WP\SEO\Models\Indexable' ) ) {
+			return true;
+		}
+
+		// Don't add ancestors if they're unindexed, already added or the same as the main object.
+		if ( $ancestor->post_status === 'unindexed' ) {
+			return true;
+		}
+
+		$ancestor_id = $this->get_indexable_id( $ancestor );
+		if ( \array_key_exists( $ancestor_id, $parents ) ) {
+			return true;
+		}
+
+		if ( $ancestor_id === $indexable_id ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns the ID for an indexable. Catches situations where the id is null due to errors.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return string|int A unique ID for the indexable.
+	 */
+	private function get_indexable_id( Indexable $indexable ) {
+		if ( $indexable->id === 0 ) {
+			return "{$indexable->object_type}:{$indexable->object_id}";
+		}
+
+		return $indexable->id;
+	}
+
+	/**
+	 * Returns the primary term id of a post.
+	 *
+	 * @param int    $post_id       The post ID.
+	 * @param string $main_taxonomy The main taxonomy.
+	 *
+	 * @return int The ID of the primary term.
+	 */
+	private function get_primary_term_id( $post_id, $main_taxonomy ) {
+		$primary_term = $this->primary_term_repository->find_by_post_id_and_taxonomy( $post_id, $main_taxonomy, false );
+
+		if ( $primary_term ) {
+			return $primary_term->term_id;
+		}
+
+		return \get_post_meta( $post_id, WPSEO_Meta::$meta_prefix . 'primary_' . $main_taxonomy, true );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-home-page-builder.php

@@ -0,0 +1,149 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use wpdb;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Url_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Homepage Builder for the indexables.
+ *
+ * Formats the homepage meta to indexable format.
+ */
+class Indexable_Home_Page_Builder {
+
+	use Indexable_Social_Image_Trait;
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options;
+
+	/**
+	 * The URL helper.
+	 *
+	 * @var Url_Helper
+	 */
+	protected $url_helper;
+
+	/**
+	 * The latest version of the Indexable-Home-Page-Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Holds the taxonomy helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * Indexable_Home_Page_Builder constructor.
+	 *
+	 * @param Options_Helper             $options     The options helper.
+	 * @param Url_Helper                 $url_helper  The url helper.
+	 * @param Indexable_Builder_Versions $versions    Knows the latest version of each Indexable type.
+	 * @param Post_Helper                $post_helper The post helper.
+	 */
+	public function __construct(
+		Options_Helper $options,
+		Url_Helper $url_helper,
+		Indexable_Builder_Versions $versions,
+		Post_Helper $post_helper
+	) {
+		$this->options     = $options;
+		$this->url_helper  = $url_helper;
+		$this->version     = $versions->get_latest_version_for_type( 'home-page' );
+		$this->post_helper = $post_helper;
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return Indexable The extended indexable.
+	 */
+	public function build( $indexable ) {
+		$indexable->object_type      = 'home-page';
+		$indexable->title            = $this->options->get( 'title-home-wpseo' );
+		$indexable->breadcrumb_title = $this->options->get( 'breadcrumbs-home' );
+		$indexable->permalink        = $this->url_helper->home();
+		$indexable->blog_id          = \get_current_blog_id();
+		$indexable->description      = $this->options->get( 'metadesc-home-wpseo' );
+		if ( empty( $indexable->description ) ) {
+			$indexable->description = \get_bloginfo( 'description' );
+		}
+
+		$indexable->is_robots_noindex = \get_option( 'blog_public' ) === '0';
+
+		$indexable->open_graph_title       = $this->options->get( 'open_graph_frontpage_title' );
+		$indexable->open_graph_image       = $this->options->get( 'open_graph_frontpage_image' );
+		$indexable->open_graph_image_id    = $this->options->get( 'open_graph_frontpage_image_id' );
+		$indexable->open_graph_description = $this->options->get( 'open_graph_frontpage_desc' );
+
+		// Reset the OG image source & meta.
+		$indexable->open_graph_image_source = null;
+		$indexable->open_graph_image_meta   = null;
+
+		// When the image or image id is set.
+		if ( $indexable->open_graph_image || $indexable->open_graph_image_id ) {
+			$indexable->open_graph_image_source = 'set-by-user';
+
+			$this->set_open_graph_image_meta_data( $indexable );
+		}
+
+		$timestamps                      = $this->get_object_timestamps();
+		$indexable->object_published_at  = $timestamps->published_at;
+		$indexable->object_last_modified = $timestamps->last_modified;
+
+		$indexable->version = $this->version;
+
+		return $indexable;
+	}
+
+	/**
+	 * Returns the timestamps for the homepage.
+	 *
+	 * @return object An object with last_modified and published_at timestamps.
+	 */
+	protected function get_object_timestamps() {
+		global $wpdb;
+		$post_statuses = $this->post_helper->get_public_post_statuses();
+
+		$replacements   = [];
+		$replacements[] = 'post_modified_gmt';
+		$replacements[] = 'post_date_gmt';
+		$replacements[] = $wpdb->posts;
+		$replacements[] = 'post_status';
+		$replacements   = \array_merge( $replacements, $post_statuses );
+		$replacements[] = 'post_password';
+		$replacements[] = 'post_type';
+
+		//phpcs:disable WordPress.DB.PreparedSQLPlaceholders -- %i placeholder is still not recognized.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery -- Reason: Most performant way.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Reason: No relevant caches.
+		return $wpdb->get_row(
+			$wpdb->prepare(
+				'
+			SELECT MAX(p.%i) AS last_modified, MIN(p.%i) AS published_at
+			FROM %i AS p
+			WHERE p.%i IN (' . \implode( ', ', \array_fill( 0, \count( $post_statuses ), '%s' ) ) . ")
+				AND p.%i = ''
+				AND p.%i = 'post'
+			",
+				$replacements
+			)
+		);
+		//phpcs:enable
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-link-builder.php

@@ -0,0 +1,712 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use DOMDocument;
+use WP_HTML_Tag_Processor;
+use WPSEO_Image_Utils;
+use Yoast\WP\SEO\Helpers\Image_Helper;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Url_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Models\SEO_Links;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Repositories\SEO_Links_Repository;
+
+/**
+ * Indexable link builder.
+ */
+class Indexable_Link_Builder {
+
+	/**
+	 * The SEO links repository.
+	 *
+	 * @var SEO_Links_Repository
+	 */
+	protected $seo_links_repository;
+
+	/**
+	 * The url helper.
+	 *
+	 * @var Url_Helper
+	 */
+	protected $url_helper;
+
+	/**
+	 * The image helper.
+	 *
+	 * @var Image_Helper
+	 */
+	protected $image_helper;
+
+	/**
+	 * The post helper.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $indexable_repository;
+
+	/**
+	 * Indexable_Link_Builder constructor.
+	 *
+	 * @param SEO_Links_Repository $seo_links_repository The SEO links repository.
+	 * @param Url_Helper           $url_helper           The URL helper.
+	 * @param Post_Helper          $post_helper          The post helper.
+	 * @param Options_Helper       $options_helper       The options helper.
+	 */
+	public function __construct(
+		SEO_Links_Repository $seo_links_repository,
+		Url_Helper $url_helper,
+		Post_Helper $post_helper,
+		Options_Helper $options_helper
+	) {
+		$this->seo_links_repository = $seo_links_repository;
+		$this->url_helper           = $url_helper;
+		$this->post_helper          = $post_helper;
+		$this->options_helper       = $options_helper;
+	}
+
+	/**
+	 * Sets the indexable repository.
+	 *
+	 * @required
+	 *
+	 * @param Indexable_Repository $indexable_repository The indexable repository.
+	 * @param Image_Helper         $image_helper         The image helper.
+	 *
+	 * @return void
+	 */
+	public function set_dependencies(
+		Indexable_Repository $indexable_repository,
+		Image_Helper $image_helper
+	) {
+		$this->indexable_repository = $indexable_repository;
+		$this->image_helper         = $image_helper;
+	}
+
+	/**
+	 * Builds the links for a post.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 * @param string    $content   The content. Expected to be unfiltered.
+	 *
+	 * @return SEO_Links[] The created SEO links.
+	 */
+	public function build( $indexable, $content ) {
+		global $post;
+		if ( $indexable->object_type === 'post' ) {
+			$post_backup = $post;
+			// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- To setup the post we need to do this explicitly.
+			$post = $this->post_helper->get_post( $indexable->object_id );
+			\setup_postdata( $post );
+			$content = \apply_filters( 'the_content', $content );
+			\wp_reset_postdata();
+			// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- To setup the post we need to do this explicitly.
+			$post = $post_backup;
+		}
+
+		$content = \str_replace( ']]>', ']]&gt;', $content );
+		$links   = $this->gather_links( $content );
+		$images  = $this->gather_images( $content );
+
+		if ( empty( $links ) && empty( $images ) ) {
+			$indexable->link_count = 0;
+			$this->update_related_indexables( $indexable, [] );
+
+			return [];
+		}
+
+		$links = $this->create_links( $indexable, $links, $images );
+
+		$this->update_related_indexables( $indexable, $links );
+
+		$indexable->link_count = $this->get_internal_link_count( $links );
+
+		return $links;
+	}
+
+	/**
+	 * Deletes all SEO links for an indexable.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return void
+	 */
+	public function delete( $indexable ) {
+		$links = ( $this->seo_links_repository->find_all_by_indexable_id( $indexable->id ) );
+		$this->seo_links_repository->delete_all_by_indexable_id( $indexable->id );
+
+		$linked_indexable_ids = [];
+		foreach ( $links as $link ) {
+			if ( $link->target_indexable_id ) {
+				$linked_indexable_ids[] = $link->target_indexable_id;
+			}
+		}
+
+		$this->update_incoming_links_for_related_indexables( $linked_indexable_ids );
+	}
+
+	/**
+	 * Fixes existing SEO links that are supposed to have a target indexable but don't, because of prior indexable cleanup.
+	 *
+	 * @param Indexable $indexable The indexable to be the target of SEO Links.
+	 *
+	 * @return void
+	 */
+	public function patch_seo_links( Indexable $indexable ) {
+		if ( ! empty( $indexable->id ) && ! empty( $indexable->object_id ) ) {
+			$links = $this->seo_links_repository->find_all_by_target_post_id( $indexable->object_id );
+
+			$updated_indexable = false;
+			foreach ( $links as $link ) {
+				if ( \is_a( $link, SEO_Links::class ) && empty( $link->target_indexable_id ) ) {
+					// Since that post ID exists in an SEO link but has no target_indexable_id, it's probably because of prior indexable cleanup.
+					$this->seo_links_repository->update_target_indexable_id( $link->id, $indexable->id );
+					$updated_indexable = true;
+				}
+			}
+
+			if ( $updated_indexable ) {
+				$updated_indexable_id = [ $indexable->id ];
+				$this->update_incoming_links_for_related_indexables( $updated_indexable_id );
+			}
+		}
+	}
+
+	/**
+	 * Gathers all links from content.
+	 *
+	 * @param string $content The content.
+	 *
+	 * @return string[] An array of urls.
+	 */
+	protected function gather_links( $content ) {
+		if ( \strpos( $content, 'href' ) === false ) {
+			// Nothing to do.
+			return [];
+		}
+
+		$links  = [];
+		$regexp = '<a\s[^>]*href=("??)([^" >]*?)\1[^>]*>';
+		// Used modifiers iU to match case insensitive and make greedy quantifiers lazy.
+		if ( \preg_match_all( "/$regexp/iU", $content, $matches, \PREG_SET_ORDER ) ) {
+			foreach ( $matches as $match ) {
+				$links[] = \trim( $match[2], "'" );
+			}
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Gathers all images from content with WP's WP_HTML_Tag_Processor() and returns them along with their IDs, if possible.
+	 *
+	 * @param string $content The content.
+	 *
+	 * @return int[] An associated array of image IDs, keyed by their URL.
+	 */
+	protected function gather_images_wp( $content ) {
+		$processor = new WP_HTML_Tag_Processor( $content );
+		$images    = [];
+
+		$query = [
+			'tag_name' => 'img',
+		];
+
+		/**
+		 * Filter 'wpseo_image_attribute_containing_id' - Allows filtering what attribute will be used to extract image IDs from.
+		 *
+		 * Defaults to "class", which is where WP natively stores the image IDs, in a `wp-image-<ID>` format.
+		 *
+		 * @api string The attribute to be used to extract image IDs from.
+		 */
+		$attribute = \apply_filters( 'wpseo_image_attribute_containing_id', 'class' );
+
+		while ( $processor->next_tag( $query ) ) {
+			$src     = \htmlentities( $processor->get_attribute( 'src' ), ( ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ), \get_bloginfo( 'charset' ) );
+			$classes = $processor->get_attribute( $attribute );
+			$id      = $this->extract_id_of_classes( $classes );
+
+			$images[ $src ] = $id;
+		}
+
+		return $images;
+	}
+
+	/**
+	 * Gathers all images from content with DOMDocument() and returns them along with their IDs, if possible.
+	 *
+	 * @param string $content The content.
+	 *
+	 * @return int[] An associated array of image IDs, keyed by their URL.
+	 */
+	protected function gather_images_domdocument( $content ) {
+		$images  = [];
+		$charset = \get_bloginfo( 'charset' );
+
+		/**
+		 * Filter 'wpseo_image_attribute_containing_id' - Allows filtering what attribute will be used to extract image IDs from.
+		 *
+		 * Defaults to "class", which is where WP natively stores the image IDs, in a `wp-image-<ID>` format.
+		 *
+		 * @api string The attribute to be used to extract image IDs from.
+		 */
+		$attribute = \apply_filters( 'wpseo_image_attribute_containing_id', 'class' );
+
+		libxml_use_internal_errors( true );
+		$post_dom = new DOMDocument();
+		$post_dom->loadHTML( '<?xml encoding="' . $charset . '">' . $content );
+		libxml_clear_errors();
+
+		foreach ( $post_dom->getElementsByTagName( 'img' ) as $img ) {
+			$src     = \htmlentities( $img->getAttribute( 'src' ), ( ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ), $charset );
+			$classes = $img->getAttribute( $attribute );
+			$id      = $this->extract_id_of_classes( $classes );
+
+			$images[ $src ] = $id;
+		}
+
+		return $images;
+	}
+
+	/**
+	 * Extracts image ID out of the image's classes.
+	 *
+	 * @param string $classes The classes assigned to the image.
+	 *
+	 * @return int The ID that's extracted from the classes.
+	 */
+	protected function extract_id_of_classes( $classes ) {
+		if ( ! $classes ) {
+			return 0;
+		}
+
+		/**
+		 * Filter 'wpseo_extract_id_pattern' - Allows filtering the regex patern to be used to extract image IDs from class/attribute names.
+		 *
+		 * Defaults to the pattern that extracts image IDs from core's `wp-image-<ID>` native format in image classes.
+		 *
+		 * @api string The regex pattern to be used to extract image IDs from class names. Empty string if the whole class/attribute should be returned.
+		 */
+		$pattern = \apply_filters( 'wpseo_extract_id_pattern', '/(?<!\S)wp-image-(\d+)(?!\S)/i' );
+
+		if ( $pattern === '' ) {
+			return (int) $classes;
+		}
+
+		$matches = [];
+
+		if ( preg_match( $pattern, $classes, $matches ) ) {
+			return (int) $matches[1];
+		}
+
+		return 0;
+	}
+
+	/**
+	 * Gathers all images from content.
+	 *
+	 * @param string $content The content.
+	 *
+	 * @return int[] An associated array of image IDs, keyed by their URLs.
+	 */
+	protected function gather_images( $content ) {
+
+		/**
+		 * Filter 'wpseo_force_creating_and_using_attachment_indexables' - Filters if we should use attachment indexables to find all content images. Instead of scanning the content.
+		 *
+		 * The default value is false.
+		 *
+		 * @since 21.1
+		 */
+		$should_not_parse_content = \apply_filters( 'wpseo_force_creating_and_using_attachment_indexables', false );
+
+		/**
+		 * Filter 'wpseo_force_skip_image_content_parsing' - Filters if we should force skip scanning the content to parse images.
+		 * This filter can be used if the regex gives a faster result than scanning the code.
+		 *
+		 * The default value is false.
+		 *
+		 * @since 21.1
+		 */
+		$should_not_parse_content = \apply_filters( 'wpseo_force_skip_image_content_parsing', $should_not_parse_content );
+		if ( ! $should_not_parse_content && class_exists( WP_HTML_Tag_Processor::class ) ) {
+			return $this->gather_images_wp( $content );
+		}
+
+		if ( ! $should_not_parse_content && class_exists( DOMDocument::class ) ) {
+			return $this->gather_images_DOMDocument( $content );
+		}
+
+		if ( \strpos( $content, 'src' ) === false ) {
+			// Nothing to do.
+			return [];
+		}
+
+		$images = [];
+		$regexp = '<img\s[^>]*src=("??)([^" >]*?)\\1[^>]*>';
+		// Used modifiers iU to match case insensitive and make greedy quantifiers lazy.
+		if ( \preg_match_all( "/$regexp/iU", $content, $matches, \PREG_SET_ORDER ) ) {
+			foreach ( $matches as $match ) {
+				$images[ $match[2] ] = 0;
+			}
+		}
+
+		return $images;
+	}
+
+	/**
+	 * Creates link models from lists of URLs and image sources.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 * @param string[]  $links     The link URLs.
+	 * @param int[]     $images    The image sources.
+	 *
+	 * @return SEO_Links[] The link models.
+	 */
+	protected function create_links( $indexable, $links, $images ) {
+		$home_url    = \wp_parse_url( \home_url() );
+		$current_url = \wp_parse_url( $indexable->permalink );
+		$links       = \array_map(
+			function( $link ) use ( $home_url, $indexable ) {
+				return $this->create_internal_link( $link, $home_url, $indexable );
+			},
+			$links
+		);
+		// Filter out links to the same page with a fragment or query.
+		$links = \array_filter(
+			$links,
+			function ( $link ) use ( $current_url ) {
+				return $this->filter_link( $link, $current_url );
+			}
+		);
+
+		$image_links = [];
+		foreach ( $images as $image_url => $image_id ) {
+			$image_links[] = $this->create_internal_link( $image_url, $home_url, $indexable, true, $image_id );
+		}
+
+		return \array_merge( $links, $image_links );
+	}
+
+	/**
+	 * Get the post ID based on the link's type and its target's permalink.
+	 *
+	 * @param string $type      The type of link (either SEO_Links::TYPE_INTERNAL or SEO_Links::TYPE_INTERNAL_IMAGE).
+	 * @param string $permalink The permalink of the link's target.
+	 *
+	 * @return int The post ID.
+	 */
+	protected function get_post_id( $type, $permalink ) {
+		if ( $type === SEO_Links::TYPE_INTERNAL ) {
+			return \url_to_postid( $permalink );
+		}
+
+		return $this->image_helper->get_attachment_by_url( $permalink );
+	}
+
+	/**
+	 * Creates an internal link.
+	 *
+	 * @param string    $url       The url of the link.
+	 * @param array     $home_url  The home url, as parsed by wp_parse_url.
+	 * @param Indexable $indexable The indexable of the post containing the link.
+	 * @param bool      $is_image  Whether or not the link is an image.
+	 * @param int       $image_id  The ID of the internal image.
+	 *
+	 * @return SEO_Links The created link.
+	 */
+	protected function create_internal_link( $url, $home_url, $indexable, $is_image = false, $image_id = 0 ) {
+		$parsed_url = \wp_parse_url( $url );
+		$link_type  = $this->url_helper->get_link_type( $parsed_url, $home_url, $is_image );
+
+		/**
+		 * ORM representing a link in the SEO Links table.
+		 *
+		 * @var SEO_Links $model
+		 */
+		$model = $this->seo_links_repository->query()->create(
+			[
+				'url'          => $url,
+				'type'         => $link_type,
+				'indexable_id' => $indexable->id,
+				'post_id'      => $indexable->object_id,
+			]
+		);
+
+		$model->parsed_url = $parsed_url;
+
+		if ( $model->type === SEO_Links::TYPE_INTERNAL ) {
+			$permalink = $this->build_permalink( $url, $home_url );
+
+			return $this->enhance_link_from_indexable( $model, $permalink );
+		}
+
+		if ( $model->type === SEO_Links::TYPE_INTERNAL_IMAGE ) {
+			$permalink = $this->build_permalink( $url, $home_url );
+
+			/** The `wpseo_force_creating_and_using_attachment_indexables` filter is documented in indexable-link-builder.php */
+			if ( ! $this->options_helper->get( 'disable-attachment' ) || \apply_filters( 'wpseo_force_creating_and_using_attachment_indexables', false ) ) {
+				$model = $this->enhance_link_from_indexable( $model, $permalink );
+			}
+			else {
+				$target_post_id = ( $image_id !== 0 ) ? $image_id : WPSEO_Image_Utils::get_attachment_by_url( $permalink );
+
+				if ( ! empty( $target_post_id ) ) {
+					$model->target_post_id = $target_post_id;
+				}
+			}
+
+			if ( $model->target_post_id ) {
+				$file = \get_attached_file( $model->target_post_id );
+
+				if ( $file ) {
+					if ( \file_exists( $file ) ) {
+						$model->size = \filesize( $file );
+					}
+					else {
+						$model->size = null;
+					}
+
+					list( , $width, $height ) = \wp_get_attachment_image_src( $model->target_post_id, 'full' );
+					$model->width             = $width;
+					$model->height            = $height;
+				}
+				else {
+					$model->width  = 0;
+					$model->height = 0;
+					$model->size   = 0;
+				}
+			}
+		}
+
+		return $model;
+	}
+
+	/**
+	 * Enhances the link model with information from its indexable.
+	 *
+	 * @param SEO_Links $model     The link's model.
+	 * @param string    $permalink The link's permalink.
+	 *
+	 * @return SEO_Links The enhanced link model.
+	 */
+	protected function enhance_link_from_indexable( $model, $permalink ) {
+		$target = $this->indexable_repository->find_by_permalink( $permalink );
+
+		if ( ! $target ) {
+			// If target indexable cannot be found, create one based on the post's post ID.
+			$post_id = $this->get_post_id( $model->type, $permalink );
+			if ( $post_id && $post_id !== 0 ) {
+				$target = $this->indexable_repository->find_by_id_and_type( $post_id, 'post' );
+			}
+		}
+
+		if ( ! $target ) {
+			return $model;
+		}
+
+		$model->target_indexable_id = $target->id;
+		if ( $target->object_type === 'post' ) {
+			$model->target_post_id = $target->object_id;
+		}
+
+		if ( $model->target_indexable_id ) {
+			$model->language = $target->language;
+			$model->region   = $target->region;
+		}
+
+		return $model;
+	}
+
+	/**
+	 * Builds the link's permalink.
+	 *
+	 * @param string $url      The url of the link.
+	 * @param array  $home_url The home url, as parsed by wp_parse_url.
+	 *
+	 * @return string The link's permalink.
+	 */
+	protected function build_permalink( $url, $home_url ) {
+		$permalink = $this->get_permalink( $url, $home_url );
+
+		if ( $this->url_helper->is_relative( $permalink ) ) {
+			// Make sure we're checking against the absolute URL, and add a trailing slash if the site has a trailing slash in its permalink settings.
+			$permalink = $this->url_helper->ensure_absolute_url( \user_trailingslashit( $permalink ) );
+		}
+
+		return $permalink;
+	}
+
+	/**
+	 * Filters out links that point to the same page with a fragment or query.
+	 *
+	 * @param SEO_Links $link        The link.
+	 * @param array     $current_url The url of the page the link is on, as parsed by wp_parse_url.
+	 *
+	 * @return bool Whether or not the link should be filtered.
+	 */
+	protected function filter_link( SEO_Links $link, $current_url ) {
+		$url = $link->parsed_url;
+
+		// Always keep external links.
+		if ( $link->type === SEO_Links::TYPE_EXTERNAL ) {
+			return true;
+		}
+
+		// Always keep links with an empty path or pointing to other pages.
+		if ( isset( $url['path'] ) ) {
+			return empty( $url['path'] ) || $url['path'] !== $current_url['path'];
+		}
+
+		// Only keep links to the current page without a fragment or query.
+		return ( ! isset( $url['fragment'] ) && ! isset( $url['query'] ) );
+	}
+
+	/**
+	 * Updates the link counts for related indexables.
+	 *
+	 * @param Indexable   $indexable The indexable.
+	 * @param SEO_Links[] $links     The link models.
+	 *
+	 * @return void
+	 */
+	protected function update_related_indexables( $indexable, $links ) {
+		// Old links were only stored by post id, so remove all old seo links for this post that have no indexable id.
+		// This can be removed if we ever fully clear all seo links.
+		if ( $indexable->object_type === 'post' ) {
+			$this->seo_links_repository->delete_all_by_post_id_where_indexable_id_null( $indexable->object_id );
+		}
+
+		$updated_indexable_ids = [];
+		$old_links             = $this->seo_links_repository->find_all_by_indexable_id( $indexable->id );
+
+		$links_to_remove = $this->links_diff( $old_links, $links );
+		$links_to_add    = $this->links_diff( $links, $old_links );
+
+		if ( ! empty( $links_to_remove ) ) {
+			$this->seo_links_repository->delete_many_by_id( \wp_list_pluck( $links_to_remove, 'id' ) );
+		}
+
+		if ( ! empty( $links_to_add ) ) {
+			$this->seo_links_repository->insert_many( $links_to_add );
+		}
+
+		foreach ( $links_to_add as $link ) {
+			if ( $link->target_indexable_id ) {
+				$updated_indexable_ids[] = $link->target_indexable_id;
+			}
+		}
+		foreach ( $links_to_remove as $link ) {
+			if ( $link->target_indexable_id ) {
+				$updated_indexable_ids[] = $link->target_indexable_id;
+			}
+		}
+
+		$this->update_incoming_links_for_related_indexables( $updated_indexable_ids );
+	}
+
+	/**
+	 * Creates a diff between two arrays of SEO links, based on urls.
+	 *
+	 * @param SEO_Links[] $links_a The array to compare.
+	 * @param SEO_Links[] $links_b The array to compare against.
+	 *
+	 * @return SEO_Links[] Links that are in $links_a, but not in $links_b.
+	 */
+	protected function links_diff( $links_a, $links_b ) {
+		return \array_udiff(
+			$links_a,
+			$links_b,
+			static function( SEO_Links $link_a, SEO_Links $link_b ) {
+				return \strcmp( $link_a->url, $link_b->url );
+			}
+		);
+	}
+
+	/**
+	 * Returns the number of internal links in an array of link models.
+	 *
+	 * @param SEO_Links[] $links The link models.
+	 *
+	 * @return int The number of internal links.
+	 */
+	protected function get_internal_link_count( $links ) {
+		$internal_link_count = 0;
+
+		foreach ( $links as $link ) {
+			if ( $link->type === SEO_Links::TYPE_INTERNAL ) {
+				++$internal_link_count;
+			}
+		}
+
+		return $internal_link_count;
+	}
+
+	/**
+	 * Returns a cleaned permalink for a given link.
+	 *
+	 * @param string $link     The raw URL.
+	 * @param array  $home_url The home URL, as parsed by wp_parse_url.
+	 *
+	 * @return string The cleaned permalink.
+	 */
+	protected function get_permalink( $link, $home_url ) {
+		// Get rid of the #anchor.
+		$url_split = \explode( '#', $link );
+		$link      = $url_split[0];
+
+		// Get rid of URL ?query=string.
+		$url_split = \explode( '?', $link );
+		$link      = $url_split[0];
+
+		// Set the correct URL scheme.
+		$link = \set_url_scheme( $link, $home_url['scheme'] );
+
+		// Add 'www.' if it is absent and should be there.
+		if ( \strpos( $home_url['host'], 'www.' ) === 0 && \strpos( $link, '://www.' ) === false ) {
+			$link = \str_replace( '://', '://www.', $link );
+		}
+
+		// Strip 'www.' if it is present and shouldn't be.
+		if ( \strpos( $home_url['host'], 'www.' ) !== 0 ) {
+			$link = \str_replace( '://www.', '://', $link );
+		}
+
+		return $link;
+	}
+
+	/**
+	 * Updates incoming link counts for related indexables.
+	 *
+	 * @param int[] $related_indexable_ids The IDs of all related indexables.
+	 *
+	 * @return void
+	 */
+	protected function update_incoming_links_for_related_indexables( $related_indexable_ids ) {
+		if ( empty( $related_indexable_ids ) ) {
+			return;
+		}
+
+		$counts = $this->seo_links_repository->get_incoming_link_counts_for_indexable_ids( $related_indexable_ids );
+		foreach ( $counts as $count ) {
+
+			$this->indexable_repository->update_incoming_link_count( $count['target_indexable_id'], $count['incoming'] );
+		}
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-post-builder.php

@@ -0,0 +1,431 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use WP_Error;
+use WP_Post;
+use Yoast\WP\SEO\Exceptions\Indexable\Post_Not_Built_Exception;
+use Yoast\WP\SEO\Exceptions\Indexable\Post_Not_Found_Exception;
+use Yoast\WP\SEO\Helpers\Meta_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Repositories\Indexable_Repository;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Post Builder for the indexables.
+ *
+ * Formats the post meta to indexable format.
+ */
+class Indexable_Post_Builder {
+
+	use Indexable_Social_Image_Trait;
+
+	/**
+	 * The indexable repository.
+	 *
+	 * @var Indexable_Repository
+	 */
+	protected $indexable_repository;
+
+	/**
+	 * Holds the Post_Helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * The post type helper.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type_helper;
+
+	/**
+	 * Knows the latest version of the Indexable post builder type.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * The meta helper.
+	 *
+	 * @var Meta_Helper
+	 */
+	protected $meta;
+
+	/**
+	 * Indexable_Post_Builder constructor.
+	 *
+	 * @param Post_Helper                $post_helper      The post helper.
+	 * @param Post_Type_Helper           $post_type_helper The post type helper.
+	 * @param Indexable_Builder_Versions $versions         The indexable builder versions.
+	 * @param Meta_Helper                $meta             The meta helper.
+	 */
+	public function __construct(
+		Post_Helper $post_helper,
+		Post_Type_Helper $post_type_helper,
+		Indexable_Builder_Versions $versions,
+		Meta_Helper $meta
+	) {
+		$this->post_helper      = $post_helper;
+		$this->post_type_helper = $post_type_helper;
+		$this->version          = $versions->get_latest_version_for_type( 'post' );
+		$this->meta             = $meta;
+	}
+
+	/**
+	 * Sets the indexable repository. Done to avoid circular dependencies.
+	 *
+	 * @required
+	 *
+	 * @param Indexable_Repository $indexable_repository The indexable repository.
+	 */
+	public function set_indexable_repository( Indexable_Repository $indexable_repository ) {
+		$this->indexable_repository = $indexable_repository;
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param int       $post_id   The post ID to use.
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return bool|Indexable The extended indexable. False when unable to build.
+	 *
+	 * @throws Post_Not_Found_Exception When the post could not be found.
+	 * @throws Post_Not_Built_Exception When the post should not be indexed.
+	 */
+	public function build( $post_id, $indexable ) {
+		if ( ! $this->post_helper->is_post_indexable( $post_id ) ) {
+			throw Post_Not_Built_Exception::because_not_indexable( $post_id );
+		}
+
+		$post = $this->post_helper->get_post( $post_id );
+
+		if ( $post === null ) {
+			throw new Post_Not_Found_Exception();
+		}
+
+		if ( $this->should_exclude_post( $post ) ) {
+			throw Post_Not_Built_Exception::because_post_type_excluded( $post_id );
+		}
+
+		$indexable->object_id       = $post_id;
+		$indexable->object_type     = 'post';
+		$indexable->object_sub_type = $post->post_type;
+		$indexable->permalink       = $this->get_permalink( $post->post_type, $post_id );
+
+		$indexable->primary_focus_keyword_score = $this->get_keyword_score(
+			$this->meta->get_value( 'focuskw', $post_id ),
+			(int) $this->meta->get_value( 'linkdex', $post_id )
+		);
+
+		$indexable->readability_score = (int) $this->meta->get_value( 'content_score', $post_id );
+
+		$indexable->inclusive_language_score = (int) $this->meta->get_value( 'inclusive_language_score', $post_id );
+
+		$indexable->is_cornerstone    = ( $this->meta->get_value( 'is_cornerstone', $post_id ) === '1' );
+		$indexable->is_robots_noindex = $this->get_robots_noindex(
+			(int) $this->meta->get_value( 'meta-robots-noindex', $post_id )
+		);
+
+		// Set additional meta-robots values.
+		$indexable->is_robots_nofollow = ( $this->meta->get_value( 'meta-robots-nofollow', $post_id ) === '1' );
+		$noindex_advanced              = $this->meta->get_value( 'meta-robots-adv', $post_id );
+		$meta_robots                   = \explode( ',', $noindex_advanced );
+
+		foreach ( $this->get_robots_options() as $meta_robots_option ) {
+			$indexable->{'is_robots_' . $meta_robots_option} = \in_array( $meta_robots_option, $meta_robots, true ) ? 1 : null;
+		}
+
+		$this->reset_social_images( $indexable );
+
+		foreach ( $this->get_indexable_lookup() as $meta_key => $indexable_key ) {
+			$indexable->{$indexable_key} = $this->empty_string_to_null( $this->meta->get_value( $meta_key, $post_id ) );
+		}
+
+		if ( empty( $indexable->breadcrumb_title ) ) {
+			$indexable->breadcrumb_title = \wp_strip_all_tags( \get_the_title( $post_id ), true );
+		}
+
+		$this->handle_social_images( $indexable );
+
+		$indexable->author_id   = $post->post_author;
+		$indexable->post_parent = $post->post_parent;
+
+		$indexable->number_of_pages  = $this->get_number_of_pages_for_post( $post );
+		$indexable->post_status      = $post->post_status;
+		$indexable->is_protected     = $post->post_password !== '';
+		$indexable->is_public        = $this->is_public( $indexable );
+		$indexable->has_public_posts = $this->has_public_posts( $indexable );
+		$indexable->blog_id          = \get_current_blog_id();
+
+		$indexable->schema_page_type    = $this->empty_string_to_null( $this->meta->get_value( 'schema_page_type', $post_id ) );
+		$indexable->schema_article_type = $this->empty_string_to_null( $this->meta->get_value( 'schema_article_type', $post_id ) );
+
+		$indexable->object_last_modified = $post->post_modified_gmt;
+		$indexable->object_published_at  = $post->post_date_gmt;
+
+		$indexable->version = $this->version;
+
+		return $indexable;
+	}
+
+	/**
+	 * Retrieves the permalink for a post with the given post type and ID.
+	 *
+	 * @param string $post_type The post type.
+	 * @param int    $post_id   The post ID.
+	 *
+	 * @return false|string|WP_Error The permalink.
+	 */
+	protected function get_permalink( $post_type, $post_id ) {
+		if ( $post_type !== 'attachment' ) {
+			return \get_permalink( $post_id );
+		}
+
+		return \wp_get_attachment_url( $post_id );
+	}
+
+	/**
+	 * Determines the value of is_public.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return bool|null Whether or not the post type is public. Null if no override is set.
+	 */
+	protected function is_public( $indexable ) {
+		if ( $indexable->is_protected === true ) {
+			return false;
+		}
+
+		if ( $indexable->is_robots_noindex === true ) {
+			return false;
+		}
+
+		// Attachments behave differently than the other post types, since they inherit from their parent.
+		if ( $indexable->object_sub_type === 'attachment' ) {
+			return $this->is_public_attachment( $indexable );
+		}
+
+		if ( ! \in_array( $indexable->post_status, $this->post_helper->get_public_post_statuses(), true ) ) {
+			return false;
+		}
+
+		if ( $indexable->is_robots_noindex === false ) {
+			return true;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Determines the value of is_public for attachments.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return bool|null False when it has no parent. Null when it has a parent.
+	 */
+	protected function is_public_attachment( $indexable ) {
+		// If the attachment has no parent, it should not be public.
+		if ( empty( $indexable->post_parent ) ) {
+			return false;
+		}
+
+		// If the attachment has a parent, the is_public should be NULL.
+		return null;
+	}
+
+	/**
+	 * Determines the value of has_public_posts.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return bool|null Whether the attachment has a public parent, can be true, false and null. Null when it is not an attachment.
+	 */
+	protected function has_public_posts( $indexable ) {
+		// Only attachments (and authors) have this value.
+		if ( $indexable->object_sub_type !== 'attachment' ) {
+			return null;
+		}
+
+		// The attachment should have a post parent.
+		if ( empty( $indexable->post_parent ) ) {
+			return false;
+		}
+
+		// The attachment should inherit the post status.
+		if ( $indexable->post_status !== 'inherit' ) {
+			return false;
+		}
+
+		// The post parent should be public.
+		$post_parent_indexable = $this->indexable_repository->find_by_id_and_type( $indexable->post_parent, 'post' );
+		if ( $post_parent_indexable !== false ) {
+			return $post_parent_indexable->is_public;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Converts the meta robots noindex value to the indexable value.
+	 *
+	 * @param int $value Meta value to convert.
+	 *
+	 * @return bool|null True for noindex, false for index, null for default of parent/type.
+	 */
+	protected function get_robots_noindex( $value ) {
+		$value = (int) $value;
+
+		switch ( $value ) {
+			case 1:
+				return true;
+			case 2:
+				return false;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Retrieves the robot options to search for.
+	 *
+	 * @return array List of robots values.
+	 */
+	protected function get_robots_options() {
+		return [ 'noimageindex', 'noarchive', 'nosnippet' ];
+	}
+
+	/**
+	 * Determines the focus keyword score.
+	 *
+	 * @param string $keyword The focus keyword that is set.
+	 * @param int    $score   The score saved on the meta data.
+	 *
+	 * @return int|null Score to use.
+	 */
+	protected function get_keyword_score( $keyword, $score ) {
+		if ( empty( $keyword ) ) {
+			return null;
+		}
+
+		return $score;
+	}
+
+	/**
+	 * Retrieves the lookup table.
+	 *
+	 * @return array Lookup table for the indexable fields.
+	 */
+	protected function get_indexable_lookup() {
+		return [
+			'focuskw'                        => 'primary_focus_keyword',
+			'canonical'                      => 'canonical',
+			'title'                          => 'title',
+			'metadesc'                       => 'description',
+			'bctitle'                        => 'breadcrumb_title',
+			'opengraph-title'                => 'open_graph_title',
+			'opengraph-image'                => 'open_graph_image',
+			'opengraph-image-id'             => 'open_graph_image_id',
+			'opengraph-description'          => 'open_graph_description',
+			'twitter-title'                  => 'twitter_title',
+			'twitter-image'                  => 'twitter_image',
+			'twitter-image-id'               => 'twitter_image_id',
+			'twitter-description'            => 'twitter_description',
+			'estimated-reading-time-minutes' => 'estimated_reading_time_minutes',
+		];
+	}
+
+	/**
+	 * Finds an alternative image for the social image.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return array|bool False when not found, array with data when found.
+	 */
+	protected function find_alternative_image( Indexable $indexable ) {
+		if (
+			$indexable->object_sub_type === 'attachment'
+			&& $this->image->is_valid_attachment( $indexable->object_id )
+		) {
+			return [
+				'image_id' => $indexable->object_id,
+				'source'   => 'attachment-image',
+			];
+		}
+
+		$featured_image_id = $this->image->get_featured_image_id( $indexable->object_id );
+		if ( $featured_image_id ) {
+			return [
+				'image_id' => $featured_image_id,
+				'source'   => 'featured-image',
+			];
+		}
+
+		$gallery_image = $this->image->get_gallery_image( $indexable->object_id );
+		if ( $gallery_image ) {
+			return [
+				'image'  => $gallery_image,
+				'source' => 'gallery-image',
+			];
+		}
+
+		$content_image = $this->image->get_post_content_image( $indexable->object_id );
+		if ( $content_image ) {
+			return [
+				'image'  => $content_image,
+				'source' => 'first-content-image',
+			];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Gets the number of pages for a post.
+	 *
+	 * @param object $post The post object.
+	 *
+	 * @return int|null The number of pages or null if the post isn't paginated.
+	 */
+	protected function get_number_of_pages_for_post( $post ) {
+		$number_of_pages = ( \substr_count( $post->post_content, '<!--nextpage-->' ) + 1 );
+
+		if ( $number_of_pages <= 1 ) {
+			return null;
+		}
+
+		return $number_of_pages;
+	}
+
+	/**
+	 * Checks whether an indexable should be built for this post.
+	 *
+	 * @param WP_Post $post The post for which an indexable should be built.
+	 *
+	 * @return bool `true` if the post should be excluded from building, `false` if not.
+	 */
+	protected function should_exclude_post( $post ) {
+		return $this->post_type_helper->is_excluded( $post->post_type );
+	}
+
+	/**
+	 * Transforms an empty string into null. Leaves non-empty strings intact.
+	 *
+	 * @param string $text The string.
+	 *
+	 * @return string|null The input string or null.
+	 */
+	protected function empty_string_to_null( $text ) {
+		if ( ! \is_string( $text ) || $text === '' ) {
+			return null;
+		}
+
+		return $text;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-post-type-archive-builder.php

@@ -0,0 +1,168 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Exceptions\Indexable\Post_Type_Not_Built_Exception;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Post_Type_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Post type archive builder for the indexables.
+ *
+ * Formats the post type archive meta to indexable format.
+ */
+class Indexable_Post_Type_Archive_Builder {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options;
+
+	/**
+	 * The latest version of the Indexable_Post_Type_Archive_Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Holds the post helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * Holds the post type helper instance.
+	 *
+	 * @var Post_Type_Helper
+	 */
+	protected $post_type_helper;
+
+	/**
+	 * Indexable_Post_Type_Archive_Builder constructor.
+	 *
+	 * @param Options_Helper             $options          The options helper.
+	 * @param Indexable_Builder_Versions $versions         The latest version of each Indexable builder.
+	 * @param Post_Helper                $post_helper      The post helper.
+	 * @param Post_Type_Helper           $post_type_helper The post type helper.
+	 */
+	public function __construct(
+		Options_Helper $options,
+		Indexable_Builder_Versions $versions,
+		Post_Helper $post_helper,
+		Post_Type_Helper $post_type_helper
+	) {
+		$this->options          = $options;
+		$this->version          = $versions->get_latest_version_for_type( 'post-type-archive' );
+		$this->post_helper      = $post_helper;
+		$this->post_type_helper = $post_type_helper;
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param string    $post_type The post type to build the indexable for.
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return Indexable The extended indexable.
+	 * @throws Post_Type_Not_Built_Exception Throws exception if the post type is excluded.
+	 */
+	public function build( $post_type, Indexable $indexable ) {
+		if ( ! $this->post_type_helper->is_post_type_archive_indexable( $post_type ) ) {
+			throw Post_Type_Not_Built_Exception::because_not_indexable( $post_type );
+		}
+
+		$indexable->object_type       = 'post-type-archive';
+		$indexable->object_sub_type   = $post_type;
+		$indexable->title             = $this->options->get( 'title-ptarchive-' . $post_type );
+		$indexable->description       = $this->options->get( 'metadesc-ptarchive-' . $post_type );
+		$indexable->breadcrumb_title  = $this->get_breadcrumb_title( $post_type );
+		$indexable->permalink         = \get_post_type_archive_link( $post_type );
+		$indexable->is_robots_noindex = $this->options->get( 'noindex-ptarchive-' . $post_type );
+		$indexable->is_public         = ( (int) $indexable->is_robots_noindex !== 1 );
+		$indexable->blog_id           = \get_current_blog_id();
+		$indexable->version           = $this->version;
+
+		$timestamps                      = $this->get_object_timestamps( $post_type );
+		$indexable->object_published_at  = $timestamps->published_at;
+		$indexable->object_last_modified = $timestamps->last_modified;
+
+		return $indexable;
+	}
+
+	/**
+	 * Returns the fallback breadcrumb title for a given post.
+	 *
+	 * @param string $post_type The post type to get the fallback breadcrumb title for.
+	 *
+	 * @return string
+	 */
+	private function get_breadcrumb_title( $post_type ) {
+		$options_breadcrumb_title = $this->options->get( 'bctitle-ptarchive-' . $post_type );
+
+		if ( $options_breadcrumb_title !== '' ) {
+			return $options_breadcrumb_title;
+		}
+
+		$post_type_obj = \get_post_type_object( $post_type );
+
+		if ( ! \is_object( $post_type_obj ) ) {
+			return '';
+		}
+
+		if ( isset( $post_type_obj->label ) && $post_type_obj->label !== '' ) {
+			return $post_type_obj->label;
+		}
+
+		if ( isset( $post_type_obj->labels->menu_name ) && $post_type_obj->labels->menu_name !== '' ) {
+			return $post_type_obj->labels->menu_name;
+		}
+
+		return $post_type_obj->name;
+	}
+
+	/**
+	 * Returns the timestamps for a given post type.
+	 *
+	 * @param string $post_type The post type.
+	 *
+	 * @return object An object with last_modified and published_at timestamps.
+	 */
+	protected function get_object_timestamps( $post_type ) {
+		global $wpdb;
+		$post_statuses = $this->post_helper->get_public_post_statuses();
+
+		$replacements   = [];
+		$replacements[] = 'post_modified_gmt';
+		$replacements[] = 'post_date_gmt';
+		$replacements[] = $wpdb->posts;
+		$replacements[] = 'post_status';
+		$replacements   = \array_merge( $replacements, $post_statuses );
+		$replacements[] = 'post_password';
+		$replacements[] = 'post_type';
+		$replacements[] = $post_type;
+
+		//phpcs:disable WordPress.DB.PreparedSQLPlaceholders -- %i placeholder is still not recognized.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- We need to use a direct query here.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Reason: No relevant caches.
+		return $wpdb->get_row(
+			$wpdb->prepare(
+				'
+				SELECT MAX(p.%i) AS last_modified, MIN(p.%i) AS published_at
+				FROM %i AS p
+				WHERE p.%i IN (' . \implode( ', ', \array_fill( 0, \count( $post_statuses ), '%s' ) ) . ")
+					AND p.%i = ''
+					AND p.%i = %s
+				",
+				$replacements
+			)
+		);
+		//phpcs:enable
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-social-image-trait.php

@@ -0,0 +1,158 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use WPSEO_Utils;
+use Yoast\WP\SEO\Helpers\Image_Helper;
+use Yoast\WP\SEO\Helpers\Open_Graph\Image_Helper as Open_Graph_Image_Helper;
+use Yoast\WP\SEO\Helpers\Twitter\Image_Helper as Twitter_Image_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+
+/**
+ * Trait for determine the social image to use in the indexable.
+ *
+ * Represents the trait used in builders for handling social images.
+ */
+trait Indexable_Social_Image_Trait {
+
+	/**
+	 * The image helper.
+	 *
+	 * @var Image_Helper
+	 */
+	protected $image;
+
+	/**
+	 * The Open Graph image helper.
+	 *
+	 * @var Open_Graph_Image_Helper
+	 */
+	protected $open_graph_image;
+
+	/**
+	 * The Twitter image helper.
+	 *
+	 * @var Twitter_Image_Helper
+	 */
+	protected $twitter_image;
+
+	/**
+	 * Sets the helpers for the trait.
+	 *
+	 * @required
+	 *
+	 * @param Image_Helper            $image            The image helper.
+	 * @param Open_Graph_Image_Helper $open_graph_image The Open Graph image helper.
+	 * @param Twitter_Image_Helper    $twitter_image    The Twitter image helper.
+	 */
+	public function set_social_image_helpers(
+		Image_Helper $image,
+		Open_Graph_Image_Helper $open_graph_image,
+		Twitter_Image_Helper $twitter_image
+	) {
+		$this->image            = $image;
+		$this->open_graph_image = $open_graph_image;
+		$this->twitter_image    = $twitter_image;
+	}
+
+	/**
+	 * Sets the alternative on an indexable.
+	 *
+	 * @param array     $alternative_image The alternative image to set.
+	 * @param Indexable $indexable         The indexable to set image for.
+	 */
+	protected function set_alternative_image( array $alternative_image, Indexable $indexable ) {
+		if ( ! empty( $alternative_image['image_id'] ) ) {
+			if ( ! $indexable->open_graph_image_source && ! $indexable->open_graph_image_id ) {
+				$indexable->open_graph_image_id     = $alternative_image['image_id'];
+				$indexable->open_graph_image_source = $alternative_image['source'];
+
+				$this->set_open_graph_image_meta_data( $indexable );
+			}
+
+			if ( ! $indexable->twitter_image && ! $indexable->twitter_image_id ) {
+				$indexable->twitter_image        = $this->twitter_image->get_by_id( $alternative_image['image_id'] );
+				$indexable->twitter_image_id     = $alternative_image['image_id'];
+				$indexable->twitter_image_source = $alternative_image['source'];
+			}
+		}
+
+		if ( ! empty( $alternative_image['image'] ) ) {
+			if ( ! $indexable->open_graph_image_source && ! $indexable->open_graph_image_id ) {
+				$indexable->open_graph_image        = $alternative_image['image'];
+				$indexable->open_graph_image_source = $alternative_image['source'];
+			}
+
+			if ( ! $indexable->twitter_image && ! $indexable->twitter_image_id ) {
+				$indexable->twitter_image        = $alternative_image['image'];
+				$indexable->twitter_image_source = $alternative_image['source'];
+			}
+		}
+	}
+
+	/**
+	 * Sets the Open Graph image meta data for an og image
+	 *
+	 * @param Indexable $indexable The indexable.
+	 */
+	protected function set_open_graph_image_meta_data( Indexable $indexable ) {
+		if ( ! $indexable->open_graph_image_id ) {
+			return;
+		}
+
+		$image = $this->open_graph_image->get_image_by_id( $indexable->open_graph_image_id );
+
+		if ( ! empty( $image ) ) {
+			$indexable->open_graph_image      = $image['url'];
+			$indexable->open_graph_image_meta = WPSEO_Utils::format_json_encode( $image );
+		}
+	}
+
+	/**
+	 * Handles the social images.
+	 *
+	 * @param Indexable $indexable The indexable to handle.
+	 */
+	protected function handle_social_images( Indexable $indexable ) {
+		// When the image or image id is set.
+		if ( $indexable->open_graph_image || $indexable->open_graph_image_id ) {
+			$indexable->open_graph_image_source = 'set-by-user';
+
+			$this->set_open_graph_image_meta_data( $indexable );
+		}
+
+		if ( $indexable->twitter_image || $indexable->twitter_image_id ) {
+			$indexable->twitter_image_source = 'set-by-user';
+		}
+
+		if ( $indexable->twitter_image_id ) {
+			$indexable->twitter_image = $this->twitter_image->get_by_id( $indexable->twitter_image_id );
+		}
+
+		// When image sources are set already.
+		if ( $indexable->open_graph_image_source && $indexable->twitter_image_source ) {
+			return;
+		}
+
+		$alternative_image = $this->find_alternative_image( $indexable );
+		if ( ! empty( $alternative_image ) ) {
+			$this->set_alternative_image( $alternative_image, $indexable );
+		}
+	}
+
+	/**
+	 * Resets the social images.
+	 *
+	 * @param Indexable $indexable The indexable to set images for.
+	 */
+	protected function reset_social_images( Indexable $indexable ) {
+		$indexable->open_graph_image        = null;
+		$indexable->open_graph_image_id     = null;
+		$indexable->open_graph_image_source = null;
+		$indexable->open_graph_image_meta   = null;
+
+		$indexable->twitter_image        = null;
+		$indexable->twitter_image_id     = null;
+		$indexable->twitter_image_source = null;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-system-page-builder.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * System page builder for the indexables.
+ *
+ * Formats system pages ( search and error ) meta to indexable format.
+ */
+class Indexable_System_Page_Builder {
+
+	/**
+	 * Mapping of object type to title option keys.
+	 */
+	const OPTION_MAPPING = [
+		'search-result' => [
+			'title'            => 'title-search-wpseo',
+		],
+		'404'           => [
+			'title'            => 'title-404-wpseo',
+			'breadcrumb_title' => 'breadcrumbs-404crumb',
+		],
+	];
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options;
+
+	/**
+	 * The latest version of the Indexable_System_Page_Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Indexable_System_Page_Builder constructor.
+	 *
+	 * @param Options_Helper             $options  The options helper.
+	 * @param Indexable_Builder_Versions $versions The latest version of each Indexable Builder.
+	 */
+	public function __construct(
+		Options_Helper $options,
+		Indexable_Builder_Versions $versions
+	) {
+		$this->options = $options;
+		$this->version = $versions->get_latest_version_for_type( 'system-page' );
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param string    $object_sub_type The object sub type of the system page.
+	 * @param Indexable $indexable       The indexable to format.
+	 *
+	 * @return Indexable The extended indexable.
+	 */
+	public function build( $object_sub_type, Indexable $indexable ) {
+		$indexable->object_type       = 'system-page';
+		$indexable->object_sub_type   = $object_sub_type;
+		$indexable->title             = $this->options->get( static::OPTION_MAPPING[ $object_sub_type ]['title'] );
+		$indexable->is_robots_noindex = true;
+		$indexable->blog_id           = \get_current_blog_id();
+
+		if ( \array_key_exists( 'breadcrumb_title', static::OPTION_MAPPING[ $object_sub_type ] ) ) {
+			$indexable->breadcrumb_title = $this->options->get( static::OPTION_MAPPING[ $object_sub_type ]['breadcrumb_title'] );
+		}
+
+		$indexable->version = $this->version;
+
+		return $indexable;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/indexable-term-builder.php

@@ -0,0 +1,291 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Exceptions\Indexable\Invalid_Term_Exception;
+use Yoast\WP\SEO\Exceptions\Indexable\Term_Not_Built_Exception;
+use Yoast\WP\SEO\Exceptions\Indexable\Term_Not_Found_Exception;
+use Yoast\WP\SEO\Helpers\Post_Helper;
+use Yoast\WP\SEO\Helpers\Taxonomy_Helper;
+use Yoast\WP\SEO\Models\Indexable;
+use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
+
+/**
+ * Term Builder for the indexables.
+ *
+ * Formats the term meta to indexable format.
+ */
+class Indexable_Term_Builder {
+
+	use Indexable_Social_Image_Trait;
+
+	/**
+	 * Holds the taxonomy helper instance.
+	 *
+	 * @var Taxonomy_Helper
+	 */
+	protected $taxonomy_helper;
+
+	/**
+	 * The latest version of the Indexable_Term_Builder.
+	 *
+	 * @var int
+	 */
+	protected $version;
+
+	/**
+	 * Holds the taxonomy helper instance.
+	 *
+	 * @var Post_Helper
+	 */
+	protected $post_helper;
+
+	/**
+	 * Indexable_Term_Builder constructor.
+	 *
+	 * @param Taxonomy_Helper            $taxonomy_helper The taxonomy helper.
+	 * @param Indexable_Builder_Versions $versions        The latest version of each Indexable Builder.
+	 * @param Post_Helper                $post_helper     The post helper.
+	 */
+	public function __construct(
+		Taxonomy_Helper $taxonomy_helper,
+		Indexable_Builder_Versions $versions,
+		Post_Helper $post_helper
+	) {
+		$this->taxonomy_helper = $taxonomy_helper;
+		$this->version         = $versions->get_latest_version_for_type( 'term' );
+		$this->post_helper     = $post_helper;
+	}
+
+	/**
+	 * Formats the data.
+	 *
+	 * @param int       $term_id   ID of the term to save data for.
+	 * @param Indexable $indexable The indexable to format.
+	 *
+	 * @return bool|Indexable The extended indexable. False when unable to build.
+	 *
+	 * @throws Invalid_Term_Exception   When the term is invalid.
+	 * @throws Term_Not_Built_Exception When the term is not viewable.
+	 * @throws Term_Not_Found_Exception When the term is not found.
+	 */
+	public function build( $term_id, $indexable ) {
+		$term = \get_term( $term_id );
+
+		if ( $term === null ) {
+			throw new Term_Not_Found_Exception();
+		}
+
+		if ( \is_wp_error( $term ) ) {
+			throw new Invalid_Term_Exception( $term->get_error_message() );
+		}
+
+		$indexable_taxonomies = $this->taxonomy_helper->get_indexable_taxonomies();
+		if ( ! \in_array( $term->taxonomy, $indexable_taxonomies, true ) ) {
+			throw Term_Not_Built_Exception::because_not_indexable( $term_id );
+		}
+
+		$term_link = \get_term_link( $term, $term->taxonomy );
+
+		if ( \is_wp_error( $term_link ) ) {
+			throw new Invalid_Term_Exception( $term_link->get_error_message() );
+		}
+
+		$term_meta = $this->taxonomy_helper->get_term_meta( $term );
+
+		$indexable->object_id       = $term_id;
+		$indexable->object_type     = 'term';
+		$indexable->object_sub_type = $term->taxonomy;
+		$indexable->permalink       = $term_link;
+		$indexable->blog_id         = \get_current_blog_id();
+
+		$indexable->primary_focus_keyword_score = $this->get_keyword_score(
+			$this->get_meta_value( 'wpseo_focuskw', $term_meta ),
+			$this->get_meta_value( 'wpseo_linkdex', $term_meta )
+		);
+
+		$indexable->is_robots_noindex = $this->get_noindex_value( $this->get_meta_value( 'wpseo_noindex', $term_meta ) );
+		$indexable->is_public         = ( $indexable->is_robots_noindex === null ) ? null : ! $indexable->is_robots_noindex;
+
+		$this->reset_social_images( $indexable );
+
+		foreach ( $this->get_indexable_lookup() as $meta_key => $indexable_key ) {
+			$indexable->{$indexable_key} = $this->get_meta_value( $meta_key, $term_meta );
+		}
+
+		if ( empty( $indexable->breadcrumb_title ) ) {
+			$indexable->breadcrumb_title = $term->name;
+		}
+
+		$this->handle_social_images( $indexable );
+
+		$indexable->is_cornerstone = $this->get_meta_value( 'wpseo_is_cornerstone', $term_meta );
+
+		// Not implemented yet.
+		$indexable->is_robots_nofollow     = null;
+		$indexable->is_robots_noarchive    = null;
+		$indexable->is_robots_noimageindex = null;
+		$indexable->is_robots_nosnippet    = null;
+
+		$timestamps                      = $this->get_object_timestamps( $term_id, $term->taxonomy );
+		$indexable->object_published_at  = $timestamps->published_at;
+		$indexable->object_last_modified = $timestamps->last_modified;
+
+		$indexable->version = $this->version;
+
+		return $indexable;
+	}
+
+	/**
+	 * Converts the meta noindex value to the indexable value.
+	 *
+	 * @param string $meta_value Term meta to base the value on.
+	 *
+	 * @return bool|null
+	 */
+	protected function get_noindex_value( $meta_value ) {
+		if ( $meta_value === 'noindex' ) {
+			return true;
+		}
+
+		if ( $meta_value === 'index' ) {
+			return false;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Determines the focus keyword score.
+	 *
+	 * @param string $keyword The focus keyword that is set.
+	 * @param int    $score   The score saved on the meta data.
+	 *
+	 * @return int|null Score to use.
+	 */
+	protected function get_keyword_score( $keyword, $score ) {
+		if ( empty( $keyword ) ) {
+			return null;
+		}
+
+		return $score;
+	}
+
+	/**
+	 * Retrieves the lookup table.
+	 *
+	 * @return array Lookup table for the indexable fields.
+	 */
+	protected function get_indexable_lookup() {
+		return [
+			'wpseo_canonical'                => 'canonical',
+			'wpseo_focuskw'                  => 'primary_focus_keyword',
+			'wpseo_title'                    => 'title',
+			'wpseo_desc'                     => 'description',
+			'wpseo_content_score'            => 'readability_score',
+			'wpseo_inclusive_language_score' => 'inclusive_language_score',
+			'wpseo_bctitle'                  => 'breadcrumb_title',
+			'wpseo_opengraph-title'          => 'open_graph_title',
+			'wpseo_opengraph-description'    => 'open_graph_description',
+			'wpseo_opengraph-image'          => 'open_graph_image',
+			'wpseo_opengraph-image-id'       => 'open_graph_image_id',
+			'wpseo_twitter-title'            => 'twitter_title',
+			'wpseo_twitter-description'      => 'twitter_description',
+			'wpseo_twitter-image'            => 'twitter_image',
+			'wpseo_twitter-image-id'         => 'twitter_image_id',
+		];
+	}
+
+	/**
+	 * Retrieves a meta value from the given meta data.
+	 *
+	 * @param string $meta_key  The key to extract.
+	 * @param array  $term_meta The meta data.
+	 *
+	 * @return string|null The meta value.
+	 */
+	protected function get_meta_value( $meta_key, $term_meta ) {
+		if ( ! $term_meta || ! \array_key_exists( $meta_key, $term_meta ) ) {
+			return null;
+		}
+
+		$value = $term_meta[ $meta_key ];
+		if ( \is_string( $value ) && $value === '' ) {
+			return null;
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Finds an alternative image for the social image.
+	 *
+	 * @param Indexable $indexable The indexable.
+	 *
+	 * @return array|bool False when not found, array with data when found.
+	 */
+	protected function find_alternative_image( Indexable $indexable ) {
+		$content_image = $this->image->get_term_content_image( $indexable->object_id );
+		if ( $content_image ) {
+			return [
+				'image'  => $content_image,
+				'source' => 'first-content-image',
+			];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns the timestamps for a given term.
+	 *
+	 * @param int    $term_id  The term ID.
+	 * @param string $taxonomy The taxonomy.
+	 *
+	 * @return object An object with last_modified and published_at timestamps.
+	 */
+	protected function get_object_timestamps( $term_id, $taxonomy ) {
+		global $wpdb;
+		$post_statuses = $this->post_helper->get_public_post_statuses();
+
+		$replacements   = [];
+		$replacements[] = 'post_modified_gmt';
+		$replacements[] = 'post_date_gmt';
+		$replacements[] = $wpdb->posts;
+		$replacements[] = $wpdb->term_relationships;
+		$replacements[] = 'object_id';
+		$replacements[] = 'ID';
+		$replacements[] = $wpdb->term_taxonomy;
+		$replacements[] = 'term_taxonomy_id';
+		$replacements[] = 'term_taxonomy_id';
+		$replacements[] = 'taxonomy';
+		$replacements[] = $taxonomy;
+		$replacements[] = 'term_id';
+		$replacements[] = $term_id;
+		$replacements[] = 'post_status';
+		$replacements   = \array_merge( $replacements, $post_statuses );
+		$replacements[] = 'post_password';
+
+		//phpcs:disable WordPress.DB.PreparedSQLPlaceholders -- %i placeholder is still not recognized.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery -- Reason: Most performant way.
+		//phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Reason: No relevant caches.
+		return $wpdb->get_row(
+			$wpdb->prepare(
+				'
+			SELECT MAX(p.%i) AS last_modified, MIN(p.%i) AS published_at
+			FROM %i AS p
+			INNER JOIN %i AS term_rel
+				ON		term_rel.%i = p.%i
+			INNER JOIN %i AS term_tax
+				ON		term_tax.%i = term_rel.%i
+				AND		term_tax.%i = %s
+				AND		term_tax.%i = %d
+			WHERE	p.%i IN (' . \implode( ', ', \array_fill( 0, \count( $post_statuses ), '%s' ) ) . ")
+				AND		p.%i = ''
+			",
+				$replacements
+			)
+		);
+		//phpcs:enable
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/builders/primary-term-builder.php

@@ -0,0 +1,96 @@
+<?php
+
+namespace Yoast\WP\SEO\Builders;
+
+use Yoast\WP\SEO\Helpers\Meta_Helper;
+use Yoast\WP\SEO\Helpers\Primary_Term_Helper;
+use Yoast\WP\SEO\Repositories\Primary_Term_Repository;
+
+/**
+ * Primary term builder.
+ *
+ * Creates the primary term for a post.
+ */
+class Primary_Term_Builder {
+
+	/**
+	 * The primary term repository.
+	 *
+	 * @var Primary_Term_Repository
+	 */
+	protected $repository;
+
+	/**
+	 * The primary term helper.
+	 *
+	 * @var Primary_Term_Helper
+	 */
+	private $primary_term;
+
+	/**
+	 * The meta helper.
+	 *
+	 * @var Meta_Helper
+	 */
+	private $meta;
+
+	/**
+	 * Primary_Term_Builder constructor.
+	 *
+	 * @param Primary_Term_Repository $repository   The primary term repository.
+	 * @param Primary_Term_Helper     $primary_term The primary term helper.
+	 * @param Meta_Helper             $meta         The meta helper.
+	 */
+	public function __construct(
+		Primary_Term_Repository $repository,
+		Primary_Term_Helper $primary_term,
+		Meta_Helper $meta
+	) {
+		$this->repository   = $repository;
+		$this->primary_term = $primary_term;
+		$this->meta         = $meta;
+	}
+
+	/**
+	 * Formats and saves the primary terms for the post with the given post id.
+	 *
+	 * @param int $post_id The post ID.
+	 *
+	 * @return void
+	 */
+	public function build( $post_id ) {
+		foreach ( $this->primary_term->get_primary_term_taxonomies( $post_id ) as $taxonomy ) {
+			$this->save_primary_term( $post_id, $taxonomy->name );
+		}
+	}
+
+	/**
+	 * Save the primary term for a specific taxonomy.
+	 *
+	 * @param int    $post_id  Post ID to save primary term for.
+	 * @param string $taxonomy Taxonomy to save primary term for.
+	 *
+	 * @return void
+	 */
+	protected function save_primary_term( $post_id, $taxonomy ) {
+		$term_id = $this->meta->get_value( 'primary_' . $taxonomy, $post_id );
+
+		$term_selected = ! empty( $term_id );
+		$primary_term  = $this->repository->find_by_post_id_and_taxonomy( $post_id, $taxonomy, $term_selected );
+
+		// Removes the indexable when no term found.
+		if ( ! $term_selected ) {
+			if ( $primary_term ) {
+				$primary_term->delete();
+			}
+
+			return;
+		}
+
+		$primary_term->term_id  = $term_id;
+		$primary_term->post_id  = $post_id;
+		$primary_term->taxonomy = $taxonomy;
+		$primary_term->blog_id  = \get_current_blog_id();
+		$primary_term->save();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/commands/cleanup-command.php

@@ -0,0 +1,196 @@
+<?php
+
+namespace Yoast\WP\SEO\Commands;
+
+use WP_CLI;
+use WP_CLI\ExitException;
+use WP_CLI\Utils;
+use Yoast\WP\SEO\Integrations\Cleanup_Integration;
+use Yoast\WP\SEO\Main;
+
+/**
+ * A WP CLI command that helps with cleaning up unwanted records from our custom tables.
+ */
+final class Cleanup_Command implements Command_Interface {
+
+	/**
+	 * The integration that cleans up on cron.
+	 *
+	 * @var Cleanup_Integration
+	 */
+	private $cleanup_integration;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param Cleanup_Integration $cleanup_integration The integration that cleans up on cron.
+	 */
+	public function __construct( Cleanup_Integration $cleanup_integration ) {
+		$this->cleanup_integration = $cleanup_integration;
+	}
+
+	/**
+	 * Returns the namespace of this command.
+	 *
+	 * @return string
+	 */
+	public static function get_namespace() {
+		return Main::WP_CLI_NAMESPACE;
+	}
+
+	/**
+	 * Performs a cleanup of custom Yoast tables.
+	 *
+	 * This removes unused, unwanted or orphaned database records, which ensures the best performance. Including:
+	 * - Indexables
+	 * - Indexable hierarchy
+	 * - SEO links
+	 *
+	 * ## OPTIONS
+	 *
+	 * [--batch-size=<batch-size>]
+	 * : The number of database records to clean up in a single sql query.
+	 * ---
+	 * default: 1000
+	 * ---
+	 *
+	 * [--interval=<interval>]
+	 * : The number of microseconds (millionths of a second) to wait between cleanup batches.
+	 * ---
+	 * default: 500000
+	 * ---
+	 *
+	 * [--network]
+	 * : Performs the cleanup on all sites within the network.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     wp yoast cleanup
+	 *
+	 * @when after_wp_load
+	 *
+	 * @param array|null $args       The arguments.
+	 * @param array|null $assoc_args The associative arguments.
+	 *
+	 * @return void
+	 *
+	 * @throws ExitException When the input args are invalid.
+	 */
+	public function cleanup( $args = null, $assoc_args = null ) {
+		if ( isset( $assoc_args['interval'] ) && (int) $assoc_args['interval'] < 0 ) {
+			WP_CLI::error( \__( 'The value for \'interval\' must be a positive integer.', 'wordpress-seo' ) );
+		}
+		if ( isset( $assoc_args['batch-size'] ) && (int) $assoc_args['batch-size'] < 1 ) {
+			WP_CLI::error( \__( 'The value for \'batch-size\' must be a positive integer higher than equal to 1.', 'wordpress-seo' ) );
+		}
+
+		if ( isset( $assoc_args['network'] ) && \is_multisite() ) {
+			$total_removed = $this->cleanup_network( $assoc_args );
+		}
+		else {
+			$total_removed = $this->cleanup_current_site( $assoc_args );
+		}
+
+		WP_CLI::success(
+			\sprintf(
+			/* translators: %1$d is the number of records that are removed. */
+				\_n(
+					'Cleaned up %1$d record.',
+					'Cleaned up %1$d records.',
+					$total_removed,
+					'wordpress-seo'
+				),
+				$total_removed
+			)
+		);
+	}
+
+	/**
+	 * Performs the cleanup for the entire network.
+	 *
+	 * @param array|null $assoc_args The associative arguments.
+	 *
+	 * @return int The number of cleaned up records.
+	 */
+	private function cleanup_network( $assoc_args ) {
+		$criteria      = [
+			'fields'   => 'ids',
+			'spam'     => 0,
+			'deleted'  => 0,
+			'archived' => 0,
+		];
+		$blog_ids      = \get_sites( $criteria );
+		$total_removed = 0;
+		foreach ( $blog_ids as $blog_id ) {
+			\switch_to_blog( $blog_id );
+			$total_removed += $this->cleanup_current_site( $assoc_args );
+			\restore_current_blog();
+		}
+
+		return $total_removed;
+	}
+
+	/**
+	 * Performs the cleanup for a single site.
+	 *
+	 * @param array|null $assoc_args The associative arguments.
+	 *
+	 * @return int The number of cleaned up records.
+	 */
+	private function cleanup_current_site( $assoc_args ) {
+		$site_url      = \site_url();
+		$total_removed = 0;
+
+		if ( ! \is_plugin_active( \WPSEO_BASENAME ) ) {
+			/* translators: %1$s is the site url of the site that is skipped. %2$s is Yoast SEO. */
+			WP_CLI::warning( \sprintf( \__( 'Skipping %1$s. %2$s is not active on this site.', 'wordpress-seo' ), $site_url, 'Yoast SEO' ) );
+
+			return $total_removed;
+		}
+
+		// Make sure the DB is up to date first.
+		\do_action( '_yoast_run_migrations' );
+
+		$tasks    = $this->cleanup_integration->get_cleanup_tasks();
+		$limit    = (int) $assoc_args['batch-size'];
+		$interval = (int) $assoc_args['interval'];
+
+		/* translators: %1$s is the site url of the site that is cleaned up. %2$s is the name of the cleanup task that is currently running. */
+		$progress_bar_title_format = \__( 'Cleaning up %1$s [%2$s]', 'wordpress-seo' );
+		$progress                  = Utils\make_progress_bar( \sprintf( $progress_bar_title_format, $site_url, \key( $tasks ) ), \count( $tasks ) );
+
+		foreach ( $tasks as $task_name => $task ) {
+			// Update the progressbar title with the current task name.
+			$progress->tick( 0, \sprintf( $progress_bar_title_format, $site_url, $task_name ) );
+			do {
+				$items_cleaned = $task( $limit );
+				if ( \is_int( $items_cleaned ) ) {
+					$total_removed += $items_cleaned;
+				}
+				\usleep( $interval );
+
+				// Update the timer.
+				$progress->tick( 0 );
+			} while ( $items_cleaned !== false && $items_cleaned > 0 );
+			$progress->tick();
+		}
+		$progress->finish();
+
+		$this->cleanup_integration->reset_cleanup();
+		WP_CLI::log(
+			\sprintf(
+			/* translators: %1$d is the number of records that were removed. %2$s is the site url. */
+				\_n(
+					'Cleaned up %1$d record from %2$s.',
+					'Cleaned up %1$d records from %2$s.',
+					$total_removed,
+					'wordpress-seo'
+				),
+				$total_removed,
+				$site_url
+			)
+		);
+
+		return $total_removed;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/commands/command-interface.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Commands;
+
+/**
+ * Interface definition for WP CLI commands.
+ *
+ * An interface for registering integrations with WordPress.
+ */
+interface Command_Interface {
+
+	/**
+	 * Returns the namespace of this command.
+	 *
+	 * @return string
+	 */
+	public static function get_namespace();
+}

wp/wp-content/plugins/wordpress-seo/src/commands/index-command.php

@@ -0,0 +1,294 @@
+<?php
+
+namespace Yoast\WP\SEO\Commands;
+
+use WP_CLI;
+use WP_CLI\Utils;
+use Yoast\WP\Lib\Model;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_General_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Indexing_Complete_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Type_Archive_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Term_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexation_Action_Interface;
+use Yoast\WP\SEO\Actions\Indexing\Indexing_Prepare_Action;
+use Yoast\WP\SEO\Actions\Indexing\Post_Link_Indexing_Action;
+use Yoast\WP\SEO\Actions\Indexing\Term_Link_Indexing_Action;
+use Yoast\WP\SEO\Helpers\Indexable_Helper;
+use Yoast\WP\SEO\Main;
+
+/**
+ * Command to generate indexables for all posts and terms.
+ */
+class Index_Command implements Command_Interface {
+
+	/**
+	 * The post indexation action.
+	 *
+	 * @var Indexable_Post_Indexation_Action
+	 */
+	private $post_indexation_action;
+
+	/**
+	 * The term indexation action.
+	 *
+	 * @var Indexable_Term_Indexation_Action
+	 */
+	private $term_indexation_action;
+
+	/**
+	 * The post type archive indexation action.
+	 *
+	 * @var Indexable_Post_Type_Archive_Indexation_Action
+	 */
+	private $post_type_archive_indexation_action;
+
+	/**
+	 * The general indexation action.
+	 *
+	 * @var Indexable_General_Indexation_Action
+	 */
+	private $general_indexation_action;
+
+	/**
+	 * The term link indexing action.
+	 *
+	 * @var Term_Link_Indexing_Action
+	 */
+	private $term_link_indexing_action;
+
+	/**
+	 * The post link indexing action.
+	 *
+	 * @var Post_Link_Indexing_Action
+	 */
+	private $post_link_indexing_action;
+
+	/**
+	 * The complete indexation action.
+	 *
+	 * @var Indexable_Indexing_Complete_Action
+	 */
+	private $complete_indexation_action;
+
+	/**
+	 * The indexing prepare action.
+	 *
+	 * @var Indexing_Prepare_Action
+	 */
+	private $prepare_indexing_action;
+
+	/**
+	 * Represents the indexable helper.
+	 *
+	 * @var Indexable_Helper
+	 */
+	protected $indexable_helper;
+
+	/**
+	 * Generate_Indexables_Command constructor.
+	 *
+	 * @param Indexable_Post_Indexation_Action              $post_indexation_action              The post indexation
+	 *                                                                                           action.
+	 * @param Indexable_Term_Indexation_Action              $term_indexation_action              The term indexation
+	 *                                                                                           action.
+	 * @param Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation_action The post type archive
+	 *                                                                                           indexation action.
+	 * @param Indexable_General_Indexation_Action           $general_indexation_action           The general indexation
+	 *                                                                                           action.
+	 * @param Indexable_Indexing_Complete_Action            $complete_indexation_action          The complete indexation
+	 *                                                                                           action.
+	 * @param Indexing_Prepare_Action                       $prepare_indexing_action             The prepare indexing
+	 *                                                                                           action.
+	 * @param Post_Link_Indexing_Action                     $post_link_indexing_action           The post link indexation
+	 *                                                                                           action.
+	 * @param Term_Link_Indexing_Action                     $term_link_indexing_action           The term link indexation
+	 *                                                                                           action.
+	 * @param Indexable_Helper                              $indexable_helper                    The indexable helper.
+	 */
+	public function __construct(
+		Indexable_Post_Indexation_Action $post_indexation_action,
+		Indexable_Term_Indexation_Action $term_indexation_action,
+		Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation_action,
+		Indexable_General_Indexation_Action $general_indexation_action,
+		Indexable_Indexing_Complete_Action $complete_indexation_action,
+		Indexing_Prepare_Action $prepare_indexing_action,
+		Post_Link_Indexing_Action $post_link_indexing_action,
+		Term_Link_Indexing_Action $term_link_indexing_action,
+		Indexable_Helper $indexable_helper
+	) {
+		$this->post_indexation_action              = $post_indexation_action;
+		$this->term_indexation_action              = $term_indexation_action;
+		$this->post_type_archive_indexation_action = $post_type_archive_indexation_action;
+		$this->general_indexation_action           = $general_indexation_action;
+		$this->complete_indexation_action          = $complete_indexation_action;
+		$this->prepare_indexing_action             = $prepare_indexing_action;
+		$this->post_link_indexing_action           = $post_link_indexing_action;
+		$this->term_link_indexing_action           = $term_link_indexing_action;
+		$this->indexable_helper                    = $indexable_helper;
+	}
+
+	/**
+	 * Gets the namespace.
+	 *
+	 * @return string
+	 */
+	public static function get_namespace() {
+		return Main::WP_CLI_NAMESPACE;
+	}
+
+	/**
+	 * Indexes all your content to ensure the best performance.
+	 *
+	 * ## OPTIONS
+	 *
+	 * [--network]
+	 * : Performs the indexation on all sites within the network.
+	 *
+	 * [--reindex]
+	 * : Removes all existing indexables and then reindexes them.
+	 *
+	 * [--skip-confirmation]
+	 * : Skips the confirmations (for automated systems).
+	 *
+	 * [--interval=<interval>]
+	 * : The number of microseconds (millionths of a second) to wait between index actions.
+	 * ---
+	 * default: 500000
+	 * ---
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     wp yoast index
+	 *
+	 * @when after_wp_load
+	 *
+	 * @param array|null $args       The arguments.
+	 * @param array|null $assoc_args The associative arguments.
+	 *
+	 * @return void
+	 */
+	public function index( $args = null, $assoc_args = null ) {
+		if ( ! $this->indexable_helper->should_index_indexables() ) {
+			WP_CLI::log(
+				\__( 'Your WordPress environment is running on a non-production site. Indexables can only be created on production environments. Please check your `WP_ENVIRONMENT_TYPE` settings.', 'wordpress-seo' )
+			);
+
+			return;
+		}
+
+		if ( ! isset( $assoc_args['network'] ) ) {
+			$this->run_indexation_actions( $assoc_args );
+
+			return;
+		}
+
+		$criteria = [
+			'fields'   => 'ids',
+			'spam'     => 0,
+			'deleted'  => 0,
+			'archived' => 0,
+		];
+		$blog_ids = \get_sites( $criteria );
+
+		foreach ( $blog_ids as $blog_id ) {
+			\switch_to_blog( $blog_id );
+			\do_action( '_yoast_run_migrations' );
+			$this->run_indexation_actions( $assoc_args );
+			\restore_current_blog();
+		}
+	}
+
+	/**
+	 * Runs all indexation actions.
+	 *
+	 * @param array $assoc_args The associative arguments.
+	 *
+	 * @return void
+	 */
+	protected function run_indexation_actions( $assoc_args ) {
+		// See if we need to clear all indexables before repopulating.
+		if ( isset( $assoc_args['reindex'] ) ) {
+
+			// Argument --skip-confirmation to prevent confirmation (for automated systems).
+			if ( ! isset( $assoc_args['skip-confirmation'] ) ) {
+				WP_CLI::confirm( 'This will clear all previously indexed objects. Are you certain you wish to proceed?' );
+			}
+
+			// Truncate the tables.
+			$this->clear();
+
+			// Delete the transients to make sure re-indexing runs every time.
+			\delete_transient( Indexable_Post_Indexation_Action::UNINDEXED_COUNT_TRANSIENT );
+			\delete_transient( Indexable_Post_Type_Archive_Indexation_Action::UNINDEXED_COUNT_TRANSIENT );
+			\delete_transient( Indexable_Term_Indexation_Action::UNINDEXED_COUNT_TRANSIENT );
+		}
+
+		$indexation_actions = [
+			'posts'              => $this->post_indexation_action,
+			'terms'              => $this->term_indexation_action,
+			'post type archives' => $this->post_type_archive_indexation_action,
+			'general objects'    => $this->general_indexation_action,
+			'post links'         => $this->post_link_indexing_action,
+			'term links'         => $this->term_link_indexing_action,
+		];
+
+		$this->prepare_indexing_action->prepare();
+
+		$interval = (int) $assoc_args['interval'];
+		foreach ( $indexation_actions as $name => $indexation_action ) {
+			$this->run_indexation_action( $name, $indexation_action, $interval );
+		}
+
+		$this->complete_indexation_action->complete();
+	}
+
+	/**
+	 * Runs an indexation action.
+	 *
+	 * @param string                      $name              The name of the object to be indexed.
+	 * @param Indexation_Action_Interface $indexation_action The indexation action.
+	 * @param int                         $interval          Number of microseconds (millionths of a second) to wait between index actions.
+	 *
+	 * @return void
+	 */
+	protected function run_indexation_action( $name, Indexation_Action_Interface $indexation_action, $interval ) {
+		$total = $indexation_action->get_total_unindexed();
+		if ( $total > 0 ) {
+			$limit    = $indexation_action->get_limit();
+			$progress = Utils\make_progress_bar( 'Indexing ' . $name, $total );
+			do {
+				$indexables = $indexation_action->index();
+				$count      = \count( $indexables );
+				$progress->tick( $count );
+				\usleep( $interval );
+				Utils\wp_clear_object_cache();
+			} while ( $count >= $limit );
+			$progress->finish();
+		}
+	}
+
+	/**
+	 * Clears the database related to the indexables.
+	 */
+	protected function clear() {
+		global $wpdb;
+
+		// For the PreparedSQLPlaceholders issue, see: https://github.com/WordPress/WordPress-Coding-Standards/issues/1903.
+		// For the DirectDBQuery issue, see: https://github.com/WordPress/WordPress-Coding-Standards/issues/1947.
+		// phpcs:disable WordPress.DB -- Table names should not be quoted and truncate queries can not be cached.
+		$wpdb->query(
+			$wpdb->prepare(
+				'TRUNCATE TABLE %1$s',
+				Model::get_table_name( 'Indexable' )
+			)
+		);
+		$wpdb->query(
+			$wpdb->prepare(
+				'TRUNCATE TABLE %1$s',
+				Model::get_table_name( 'Indexable_Hierarchy' )
+			)
+		);
+		// phpcs:enable
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/addon-installation-conditional.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Checks if the Addon_Installation constant is set.
+ */
+class Addon_Installation_Conditional extends Feature_Flag_Conditional {
+
+	/**
+	 * Returns the name of the feature flag.
+	 * 'YOAST_SEO_' is automatically prepended to it and it will be uppercased.
+	 *
+	 * @return string the name of the feature flag.
+	 */
+	protected function get_feature_flag() {
+		return 'ADDON_INSTALLATION';
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when in the admin.
+ */
+class Admin_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return \is_admin();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/doing-post-quick-edit-save-conditional.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Checks if the post is saved by inline-save. This is the case when doing quick edit.
+ *
+ * @phpcs:disable Yoast.NamingConventions.ObjectNameDepth.MaxExceeded -- Base class can't be written shorter without abbreviating.
+ */
+class Doing_Post_Quick_Edit_Save_Conditional implements Conditional {
+
+	/**
+	 * Checks if the current request is ajax and the action is inline-save.
+	 *
+	 * @return bool True when the quick edit action is executed.
+	 */
+	public function is_met() {
+		if ( ! \wp_doing_ajax() ) {
+			return false;
+		}
+
+		// Do the same nonce check as is done in wp_ajax_inline_save because we hook into that request.
+		if ( ! \check_ajax_referer( 'inlineeditnonce', '_inline_edit', false ) ) {
+			return false;
+		}
+
+		if ( ! isset( $_POST['action'] ) ) {
+			return false;
+		}
+
+		$sanitized_action = \sanitize_text_field( \wp_unslash( $_POST['action'] ) );
+
+		return ( $sanitized_action === 'inline-save' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/estimated-reading-time-conditional.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only when we want the Estimated Reading Time.
+ */
+class Estimated_Reading_Time_Conditional implements Conditional {
+
+	/**
+	 * The Post Conditional.
+	 *
+	 * @var Post_Conditional
+	 */
+	protected $post_conditional;
+
+	/**
+	 * Constructs the Estimated Reading Time Conditional.
+	 *
+	 * @param Post_Conditional $post_conditional The post conditional.
+	 */
+	public function __construct( Post_Conditional $post_conditional ) {
+		$this->post_conditional = $post_conditional;
+	}
+
+	/**
+	 * Returns whether this conditional is met.
+	 *
+	 * @return bool Whether the conditional is met.
+	 */
+	public function is_met() {
+		// phpcs:disable WordPress.Security.NonceVerification.Recommended,WordPress.Security.NonceVerification.Missing -- Reason: Nonce verification should not be done in a conditional but rather in the classes using the conditional.
+		// Check if we are in our Elementor ajax request (for saving).
+		if ( \wp_doing_ajax() && isset( $_POST['action'] ) && \is_string( $_POST['action'] ) ) {
+			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are only strictly comparing the variable.
+			$post_action = \wp_unslash( $_POST['action'] );
+			if ( $post_action === 'wpseo_elementor_save' ) {
+				return true;
+			}
+		}
+
+		if ( ! $this->post_conditional->is_met() ) {
+			return false;
+		}
+
+		// We don't support Estimated Reading Time on the attachment post type.
+		if ( isset( $_GET['post'] ) && \is_string( $_GET['post'] ) ) {
+			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are casting to an integer.
+			$post_id = (int) \wp_unslash( $_GET['post'] );
+			if ( $post_id !== 0 && \get_post_type( $post_id ) === 'attachment' ) {
+				return false;
+			}
+		}
+
+		return true;
+		// phpcs:enable WordPress.Security.NonceVerification.Recommended,WordPress.Security.NonceVerification.Missing
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/licenses-page-conditional.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when current page is the tools page.
+ */
+class Licenses_Page_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		global $pagenow;
+
+		if ( $pagenow !== 'admin.php' ) {
+			return false;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification -- This is not a form.
+		if ( isset( $_GET['page'] ) && $_GET['page'] === 'wpseo_licenses' ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/non-network-admin-conditional.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when not on a network admin page.
+ */
+class Non_Network_Admin_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return ! \is_network_admin();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/post-conditional.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when on a post edit or new post page.
+ */
+class Post_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		global $pagenow;
+
+		// Current page is the creation of a new post (type, i.e. post, page, custom post or attachment).
+		if ( $pagenow === 'post-new.php' ) {
+			return true;
+		}
+
+		// Current page is the edit page of an existing post (type, i.e. post, page, custom post or attachment).
+		if ( $pagenow === 'post.php' ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/posts-overview-or-ajax-conditional.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when on a post overview page or during an ajax request.
+ */
+class Posts_Overview_Or_Ajax_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		global $pagenow;
+		return $pagenow === 'edit.php' || \wp_doing_ajax();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/admin/yoast-admin-conditional.php

@@ -0,0 +1,41 @@
+<?php // phpcs:ignore Yoast.Files.FileName.InvalidClassFileName -- Reason: this explicitly concerns the Yoast admin.
+
+namespace Yoast\WP\SEO\Conditionals\Admin;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+use Yoast\WP\SEO\Helpers\Current_Page_Helper;
+
+/**
+ * Conditional that is only met when on a Yoast SEO admin page.
+ */
+class Yoast_Admin_Conditional implements Conditional {
+
+	/**
+	 * Holds the Current_Page_Helper.
+	 *
+	 * @var Current_Page_Helper
+	 */
+	private $current_page_helper;
+
+	/**
+	 * Constructs the conditional.
+	 *
+	 * @param \Yoast\WP\SEO\Helpers\Current_Page_Helper $current_page_helper The current page helper.
+	 */
+	public function __construct( Current_Page_Helper $current_page_helper ) {
+		$this->current_page_helper = $current_page_helper;
+	}
+
+	/**
+	 * Returns `true` when on the admin dashboard, update or Yoast SEO pages.
+	 *
+	 * @return bool `true` when on the admin dashboard, update or Yoast SEO pages.
+	 */
+	public function is_met() {
+		if ( ! \is_admin() ) {
+			return false;
+		}
+
+		return $this->current_page_helper->is_yoast_seo_page();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/attachment-redirections-enabled-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Conditional that is only met when the 'Redirect attachment URLs to the attachment itself' setting is enabled.
+ */
+class Attachment_Redirections_Enabled_Conditional implements Conditional {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * Attachment_Redirections_Enabled_Conditional constructor.
+	 *
+	 * @param Options_Helper $options The options helper.
+	 */
+	public function __construct( Options_Helper $options ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * Returns whether the 'Redirect attachment URLs to the attachment itself' setting has been enabled.
+	 *
+	 * @return bool `true` when the 'Redirect attachment URLs to the attachment itself' setting has been enabled.
+	 */
+	public function is_met() {
+		return $this->options->get( 'disable-attachment' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/conditional-interface.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional interface, used to prevent integrations from loading.
+ */
+interface Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met();
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/deactivating-yoast-seo-conditional.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when on deactivating Yoast SEO.
+ */
+class Deactivating_Yoast_Seo_Conditional implements Conditional {
+
+	/**
+	 * Returns whether this conditional is met.
+	 *
+	 * @return bool Whether the conditional is met.
+	 */
+	public function is_met() {
+		// phpcs:ignore WordPress.Security.NonceVerification -- We can't verify nonce since this might run from any user.
+		if ( isset( $_GET['action'] ) && \sanitize_text_field( \wp_unslash( $_GET['action'] ) ) === 'deactivate' && isset( $_GET['plugin'] ) && \sanitize_text_field( \wp_unslash( $_GET['plugin'] === 'wordpress-seo/wp-seo.php' ) ) ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/development-conditional.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use WPSEO_Utils;
+
+/**
+ * Conditional that is only met when in development mode.
+ */
+class Development_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return WPSEO_Utils::is_development_mode();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/feature-flag-conditional.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Abstract class for creating conditionals based on feature flags.
+ */
+abstract class Feature_Flag_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		$feature_flag = \strtoupper( $this->get_feature_flag() );
+
+		return \defined( 'YOAST_SEO_' . $feature_flag ) && \constant( 'YOAST_SEO_' . $feature_flag ) === true;
+	}
+
+	/**
+	 * Returns the name of the feature flag.
+	 * 'YOAST_SEO_' is automatically prepended to it and it will be uppercased.
+	 *
+	 * @return string the name of the feature flag.
+	 */
+	abstract protected function get_feature_flag();
+
+	/**
+	 * Returns the feature name.
+	 *
+	 * @return string the name of the feature flag.
+	 */
+	public function get_feature_name() {
+		return $this->get_feature_flag();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/front-end-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when NOT in the admin.
+ */
+class Front_End_Conditional implements Conditional {
+
+	/**
+	 * Returns `true` when NOT on an admin page.
+	 *
+	 * @return bool `true` when NOT on an admin page.
+	 */
+	public function is_met() {
+		return ! \is_admin();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/get-request-conditional.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when the current request uses the GET method.
+ */
+class Get_Request_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'GET' ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/headless-rest-endpoints-enabled-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Conditional that is only met when the headless rest endpoints are enabled.
+ */
+class Headless_Rest_Endpoints_Enabled_Conditional implements Conditional {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * Headless_Rest_Endpoints_Enabled_Conditional constructor.
+	 *
+	 * @param Options_Helper $options The options helper.
+	 */
+	public function __construct( Options_Helper $options ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * Returns `true` whether the headless REST endpoints have been enabled.
+	 *
+	 * @return bool `true` when the headless REST endpoints have been enabled.
+	 */
+	public function is_met() {
+		return $this->options->get( 'enable_headless_rest_endpoints' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/import-tool-selected-conditional.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when current page is not a specific tool's page.
+ */
+class Import_Tool_Selected_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- We just check whether a URL parameter does not exist.
+		return ( isset( $_GET['tool'] ) && $_GET['tool'] === 'import-export' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/jetpack-conditional.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when Jetpack exists.
+ */
+class Jetpack_Conditional implements Conditional {
+
+	/**
+	 * Returns `true` when the Jetpack plugin exists on this
+	 * WordPress installation.
+	 *
+	 * @return bool `true` when the Jetpack plugin exists on this WordPress installation.
+	 */
+	public function is_met() {
+		return \class_exists( 'Jetpack' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/migrations-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Config\Migration_Status;
+
+/**
+ * Class for integrations that depend on having all migrations run.
+ */
+class Migrations_Conditional implements Conditional {
+
+	/**
+	 * The migration status.
+	 *
+	 * @var Migration_Status
+	 */
+	protected $migration_status;
+
+	/**
+	 * Migrations_Conditional constructor.
+	 *
+	 * @param Migration_Status $migration_status The migration status object.
+	 */
+	public function __construct( Migration_Status $migration_status ) {
+		$this->migration_status = $migration_status;
+	}
+
+	/**
+	 * Returns `true` when all database migrations have been run.
+	 *
+	 * @return bool `true` when all database migrations have been run.
+	 */
+	public function is_met() {
+		return $this->migration_status->is_version( 'free', \WPSEO_VERSION );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/new-settings-ui-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Feature flag conditional for the new settings UI.
+ */
+class New_Settings_Ui_Conditional extends Feature_Flag_Conditional {
+
+	/**
+	 * Returns the name of the feature flag.
+	 *
+	 * @return string The name of the feature flag.
+	 */
+	protected function get_feature_flag() {
+		return 'NEW_SETTINGS_UI';
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/news-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when news SEO is activated.
+ */
+class News_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return \defined( 'WPSEO_NEWS_VERSION' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/no-conditionals-trait.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Trait for integrations that do not have any conditionals.
+ */
+trait No_Conditionals {
+
+	/**
+	 * Returns an empty array, meaning no conditionals are required to load whatever uses this trait.
+	 *
+	 * @return array The conditionals that must be met to load this.
+	 */
+	public static function get_conditionals() {
+		return [];
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/no-tool-selected-conditional.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when current page is not a specific tool's page.
+ */
+class No_Tool_Selected_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- We just check whether a URL parameter does not exist.
+		return ! isset( $_GET['tool'] );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/non-multisite-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when we aren't in a multisite setup.
+ */
+class Non_Multisite_Conditional implements Conditional {
+
+	/**
+	 * Returns `true` when we aren't in a multisite setup.
+	 *
+	 * @return bool `true` when we aren't in a multisite setup.
+	 */
+	public function is_met() {
+		return ! \is_multisite();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/not-admin-ajax-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when not in a admin-ajax request.
+ */
+class Not_Admin_Ajax_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return ( ! \wp_doing_ajax() );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/open-graph-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Conditional that is only met when the Open Graph feature is enabled.
+ */
+class Open_Graph_Conditional implements Conditional {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * Open_Graph_Conditional constructor.
+	 *
+	 * @param Options_Helper $options The options helper.
+	 */
+	public function __construct( Options_Helper $options ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * Returns `true` when the Open Graph feature is enabled.
+	 *
+	 * @return bool `true` when the Open Graph feature is enabled.
+	 */
+	public function is_met() {
+		return $this->options->get( 'opengraph' ) === true;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/premium-active-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Class Premium_Active_Conditional.
+ */
+class Premium_Active_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return \YoastSEO()->helpers->product->is_premium();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/premium-inactive-conditional.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Abstract class for creating conditionals based on feature flags.
+ */
+class Premium_Inactive_Conditional implements Conditional {
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return ! \YoastSEO()->helpers->product->is_premium();
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/primary-category-conditional.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Current_Page_Helper;
+
+/**
+ * Conditional that is only met when in frontend or page is a post overview or post add/edit form.
+ */
+class Primary_Category_Conditional implements Conditional {
+
+	/**
+	 * The current page helper.
+	 *
+	 * @var Current_Page_Helper
+	 */
+	private $current_page;
+
+	/**
+	 * Primary_Category_Conditional constructor.
+	 *
+	 * @param Current_Page_Helper $current_page The current page helper.
+	 */
+	public function __construct( Current_Page_Helper $current_page ) {
+		$this->current_page = $current_page;
+	}
+
+	/**
+	 * Returns `true` when on the frontend,
+	 * or when on the post overview, post edit or new post admin page,
+	 * or when on additional admin pages, allowed by filter.
+	 *
+	 * @return bool `true` when on the frontend, or when on the post overview,
+	 *          post edit, new post admin page or additional admin pages, allowed by filter.
+	 */
+	public function is_met() {
+		if ( ! \is_admin() ) {
+			return true;
+		}
+
+		/**
+		 * Filter: Adds the possibility to use primary category at additional admin pages.
+		 *
+		 * @param array $admin_pages List of additional admin pages.
+		 */
+		$additional_pages = \apply_filters( 'wpseo_primary_category_admin_pages', [] );
+		return \in_array( $this->current_page->get_current_admin_page(), \array_merge( [ 'edit.php', 'post.php', 'post-new.php' ], $additional_pages ), true );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/robots-txt-conditional.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Conditional that is only met when on the front end or Yoast file editor page.
+ */
+class Robots_Txt_Conditional implements Conditional {
+
+	/**
+	 * Holds the Front_End_Conditional instance.
+	 *
+	 * @var Front_End_Conditional
+	 */
+	protected $front_end_conditional;
+
+	/**
+	 * Constructs the class.
+	 *
+	 * @param Front_End_Conditional $front_end_conditional The front end conditional.
+	 */
+	public function __construct( Front_End_Conditional $front_end_conditional ) {
+		$this->front_end_conditional = $front_end_conditional;
+	}
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return $this->front_end_conditional->is_met() || $this->is_file_editor_page();
+	}
+
+	/**
+	 * Returns whether the current page is the file editor page.
+	 *
+	 * This checks for two locations:
+	 * - Multisite network admin file editor page
+	 * - Single site file editor page (under tools)
+	 *
+	 * @return bool
+	 */
+	protected function is_file_editor_page() {
+		global $pagenow;
+
+		if ( $pagenow !== 'admin.php' ) {
+			return false;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification -- This is not a form.
+		if ( isset( $_GET['page'] ) && $_GET['page'] === 'wpseo_files' && \is_multisite() && \is_network_admin() ) {
+			return true;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification -- This is not a form.
+		if ( ! ( isset( $_GET['page'] ) && $_GET['page'] === 'wpseo_tools' ) ) {
+			return false;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification -- This is not a form.
+		if ( isset( $_GET['tool'] ) && $_GET['tool'] === 'file-editor' ) {
+			return true;
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/semrush-enabled-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Conditional that is only met when the SEMrush integration is enabled.
+ */
+class SEMrush_Enabled_Conditional implements Conditional {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options;
+
+	/**
+	 * SEMrush_Enabled_Conditional constructor.
+	 *
+	 * @param Options_Helper $options The options helper.
+	 */
+	public function __construct( Options_Helper $options ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		return $this->options->get( 'semrush_integration_active', false );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/settings-conditional.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Class Settings_Conditional.
+ */
+class Settings_Conditional implements Conditional {
+
+	/**
+	 * Holds User_Can_Manage_Wpseo_Options_Conditional.
+	 *
+	 * @var User_Can_Manage_Wpseo_Options_Conditional
+	 */
+	protected $user_can_manage_wpseo_options_conditional;
+
+	/**
+	 * Constructs Settings_Conditional.
+	 *
+	 * @param User_Can_Manage_Wpseo_Options_Conditional $user_can_manage_wpseo_options_conditional The User_Can_Manage_Wpseo_Options_Conditional.
+	 */
+	public function __construct(
+		User_Can_Manage_Wpseo_Options_Conditional $user_can_manage_wpseo_options_conditional
+	) {
+		$this->user_can_manage_wpseo_options_conditional = $user_can_manage_wpseo_options_conditional;
+	}
+
+	/**
+	 * Returns whether or not this conditional is met.
+	 *
+	 * @return bool Whether or not the conditional is met.
+	 */
+	public function is_met() {
+		if ( ! $this->user_can_manage_wpseo_options_conditional->is_met() ) {
+			return false;
+		}
+
+		return true;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/should-index-links-conditional.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Should_Index_Links_Conditional class.
+ */
+class Should_Index_Links_Conditional implements Conditional {
+
+	/**
+	 * The options helper.
+	 *
+	 * @var Options_Helper
+	 */
+	protected $options_helper;
+
+	/**
+	 * Should_Index_Links_Conditional constructor.
+	 *
+	 * @param Options_Helper $options_helper The options helper.
+	 */
+	public function __construct( Options_Helper $options_helper ) {
+		$this->options_helper = $options_helper;
+	}
+
+	/**
+	 * Returns `true` when the links on this website should be indexed.
+	 *
+	 * @return bool `true` when the links on this website should be indexed.
+	 */
+	public function is_met() {
+		$should_index_links = $this->options_helper->get( 'enable_text_link_counter' );
+
+		/**
+		 * Filter: 'wpseo_should_index_links' - Allows disabling of Yoast's links indexation.
+		 *
+		 * @api bool To disable the indexation, return false.
+		 */
+		return \apply_filters( 'wpseo_should_index_links', $should_index_links );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/text-formality-conditional.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals;
+
+/**
+ * Checks if the YOAST_SEO_TEXT_FORMALITY constant is set.
+ */
+class Text_Formality_Conditional extends Feature_Flag_Conditional {
+
+	/**
+	 * Returns the name of the feature flag.
+	 * 'YOAST_SEO_' is automatically prepended to it and it will be uppercased.
+	 *
+	 * @return string the name of the feature flag.
+	 */
+	public function get_feature_flag() {
+		return 'TEXT_FORMALITY';
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/third-party/elementor-activated-conditional.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Third_Party;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is met when the Elementor plugin is installed and activated.
+ */
+class Elementor_Activated_Conditional implements Conditional {
+
+	/**
+	 * Checks if the Elementor plugins is installed and activated.
+	 *
+	 * @return bool `true` when the Elementor plugin is installed and activated.
+	 */
+	public function is_met() {
+		return \defined( 'ELEMENTOR__FILE__' );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/third-party/elementor-edit-conditional.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Third_Party;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when on an Elementor edit page or when the current
+ * request is an ajax request for saving our post meta data.
+ */
+class Elementor_Edit_Conditional implements Conditional {
+
+	/**
+	 * Returns whether this conditional is met.
+	 *
+	 * @return bool Whether the conditional is met.
+	 */
+	public function is_met() {
+		global $pagenow;
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
+		if ( isset( $_GET['action'] ) && \is_string( $_GET['action'] ) ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are only strictly comparing.
+			$get_action = \wp_unslash( $_GET['action'] );
+			if ( $pagenow === 'post.php' && $get_action === 'elementor' ) {
+				return true;
+			}
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: We are not processing form information.
+		if ( isset( $_POST['action'] ) && \is_string( $_POST['action'] ) ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are only strictly comparing.
+			$post_action = \wp_unslash( $_POST['action'] );
+			return \wp_doing_ajax() && $post_action === 'wpseo_elementor_save';
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/third-party/jetpack-boost-active-conditional.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Third_Party;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when Jetpack_Boost exists.
+ */
+class Jetpack_Boost_Active_Conditional implements Conditional {
+
+	/**
+	 * Returns `true` when the Jetpack_Boost class exists within this WordPress installation.
+	 *
+	 * @return bool `true` when the Jetpack_Boost class exists within this WordPress installation.
+	 */
+	public function is_met() {
+		return \class_exists( '\Automattic\Jetpack_Boost\Jetpack_Boost', false );
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/third-party/jetpack-boost-not-premium-conditional.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Third_Party;
+
+use Automattic\Jetpack_Boost\Lib\Premium_Features;
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is met when Jetpack Boost is not installed, activated or premium.
+ */
+class Jetpack_Boost_Not_Premium_Conditional implements Conditional {
+
+	/**
+	 * Whether Jetpack Boost is not premium.
+	 *
+	 * @return bool Whether Jetpack Boost is not premium.
+	 */
+	public function is_met() {
+		return ! $this->is_premium();
+	}
+
+	/**
+	 * Retrieves, if available, if Jetpack Boost has priority feature available.
+	 *
+	 * @return bool Whether Jetpack Boost is premium.
+	 */
+	private function is_premium() {
+		if ( \class_exists( '\Automattic\Jetpack_Boost\Lib\Premium_Features', false ) ) {
+			return Premium_Features::has_feature(
+				Premium_Features::PRIORITY_SUPPORT
+			);
+		}
+
+		return false;
+	}
+}

wp/wp-content/plugins/wordpress-seo/src/conditionals/third-party/polylang-conditional.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Yoast\WP\SEO\Conditionals\Third_Party;
+
+use Yoast\WP\SEO\Conditionals\Conditional;
+
+/**
+ * Conditional that is only met when the Polylang plugin is active.
+ */
+class Polylang_Conditional implements Conditional {
+
+	/**
+	 * Checks whether the Polylang plugin is installed and active.
+	 *
+	 * @return bool Whether Polylang is installed and active.
+	 */
+	public function is_met() {
+		return \defined( 'POLYLANG_FILE' );
+	}
+}