rebase from live enviornment

wp/plugins/wordpress-seo-premium/classes/multi-keyword.php

@@ -0,0 +1,116 @@
+<?php
+/**
+ * WPSEO Premium plugin file.
+ *
+ * @package WPSEO\Premium\Classes
+ */
+
+/**
+ * Implements multi keyword in the admin.
+ */
+class WPSEO_Multi_Keyword implements WPSEO_WordPress_Integration {
+
+	/**
+	 * Sets WordPress hooks.
+	 *
+	 * @codeCoverageIgnore It relies on dependencies.
+	 */
+	public function register_hooks() {
+		add_filter( 'wpseo_metabox_entries_general', [ $this, 'add_focus_keywords_input' ] );
+		add_filter( 'wpseo_metabox_entries_general', [ $this, 'add_keyword_synonyms_input' ] );
+
+		add_filter( 'wpseo_taxonomy_content_fields', [ $this, 'add_focus_keywords_taxonomy_input' ] );
+		add_filter( 'wpseo_taxonomy_content_fields', [ $this, 'add_keyword_synonyms_taxonomy_input' ] );
+		add_filter( 'wpseo_add_extra_taxmeta_term_defaults', [ $this, 'register_taxonomy_metafields' ] );
+	}
+
+	/**
+	 * Add field in which we can save multiple keywords.
+	 *
+	 * @param array $field_defs The current fields definitions.
+	 *
+	 * @return array Field definitions with our added field.
+	 */
+	public function add_focus_keywords_input( $field_defs ) {
+		if ( is_array( $field_defs ) ) {
+			$field_defs['focuskeywords'] = [
+				'type'  => 'hidden',
+				'title' => 'focuskeywords',
+			];
+		}
+
+		return $field_defs;
+	}
+
+	/**
+	 * Add field in which we can save multiple keyword synonyms.
+	 *
+	 * @param array $field_defs The current fields definitions.
+	 *
+	 * @return array Field definitions with our added field.
+	 */
+	public function add_keyword_synonyms_input( $field_defs ) {
+		if ( is_array( $field_defs ) ) {
+			$field_defs['keywordsynonyms'] = [
+				'type'  => 'hidden',
+				'title' => 'keywordsynonyms',
+			];
+		}
+
+		return $field_defs;
+	}
+
+	/**
+	 * Adds a field to the taxonomy metabox in which we can save multiple keywords.
+	 *
+	 * @param array $fields The current fields.
+	 *
+	 * @return array Fields including our added field.
+	 */
+	public function add_focus_keywords_taxonomy_input( $fields ) {
+		if ( is_array( $fields ) ) {
+			$fields['focuskeywords'] = [
+				'label'       => '',
+				'description' => '',
+				'type'        => 'hidden',
+				'options'     => '',
+			];
+		}
+
+		return $fields;
+	}
+
+	/**
+	 * Adds a field in which we can save multiple keyword synonyms.
+	 *
+	 * @param array $fields The current fields.
+	 *
+	 * @return array Fields including our added field.
+	 */
+	public function add_keyword_synonyms_taxonomy_input( $fields ) {
+		if ( is_array( $fields ) ) {
+			$fields['keywordsynonyms'] = [
+				'label'       => '',
+				'description' => '',
+				'type'        => 'hidden',
+				'options'     => '',
+			];
+		}
+
+		return $fields;
+	}
+
+	/**
+	 * Extends the taxonomy defaults.
+	 *
+	 * @param array $defaults The defaults to extend.
+	 *
+	 * @return array The extended defaults.
+	 */
+	public function register_taxonomy_metafields( $defaults ) {
+		$defaults['wpseo_focuskeywords']   = '';
+		$defaults['wpseo_keywordsynonyms'] = '';
+
+		return $defaults;
+	}
+}