rebase from live enviornment

wp/plugins/wordpress-seo/inc/class-wpseo-installation.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Internals
+ * @since   3.6
+ */
+
+/**
+ * This class checks if the wpseo option doesn't exists. In the case it doesn't it will set a property that is
+ * accessible via a method to check if the installation is fresh.
+ */
+class WPSEO_Installation {
+
+	/**
+	 * Checks if Yoast SEO is installed for the first time.
+	 */
+	public function __construct() {
+		$is_first_install = $this->is_first_install();
+
+		if ( $is_first_install && WPSEO_Utils::is_api_available() ) {
+			add_action( 'wpseo_activate', [ $this, 'set_first_install_options' ] );
+		}
+	}
+
+	/**
+	 * When the option doesn't exist, it should be a new install.
+	 *
+	 * @return bool
+	 */
+	private function is_first_install() {
+		return ( get_option( 'wpseo' ) === false );
+	}
+
+	/**
+	 * Sets the options on first install for showing the installation notice and disabling of the settings pages.
+	 */
+	public function set_first_install_options() {
+		$options = get_option( 'wpseo' );
+
+		$options['show_onboarding_notice'] = true;
+		$options['first_activated_on']     = time();
+
+		update_option( 'wpseo', $options );
+	}
+}