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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Plugin_Availability

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use Yoast\WP\SEO\Conditionals\Conditional;

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use Yoast\WP\SEO\Conditionals\WooCommerce_Conditional;

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/**

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* Class WPSEO_Plugin_Availability

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class WPSEO_Plugin_Availability {

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/**

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* Holds the plugins.

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* @var array

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protected $plugins = [];

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/**

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* Registers the plugins so we can access them.

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* @return void

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public function register() {

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$this->register_yoast_plugins();

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$this->register_yoast_plugins_status();

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}

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/**

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* Registers all the available Yoast SEO plugins.

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* @return void

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protected function register_yoast_plugins() {

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$this->plugins = [

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'yoast-seo-premium' => [

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'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y7' ),

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'title' => 'Yoast SEO Premium',

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'description' => sprintf(

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/* translators: %1$s expands to Yoast SEO */

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__( 'The premium version of %1$s with more features & support.', 'wordpress-seo' ),

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'Yoast SEO'

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'installed' => false,

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'slug' => 'wordpress-seo-premium/wp-seo-premium.php',

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'version_sync' => true,

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'premium' => true,

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'video-seo-for-wordpress-seo-by-yoast' => [

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'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y8' ),

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'title' => 'Video SEO',

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'description' => __( 'Optimize your videos to show them off in search results and get more clicks!', 'wordpress-seo' ),

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'installed' => false,

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'slug' => 'wpseo-video/video-seo.php',

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'version_sync' => true,

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'premium' => true,

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'yoast-news-seo' => [

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'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y9' ),

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'title' => 'News SEO',

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'description' => __( 'Are you in Google News? Increase your traffic from Google News by optimizing for it!', 'wordpress-seo' ),

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'installed' => false,

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'slug' => 'wpseo-news/wpseo-news.php',

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'version_sync' => true,

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'premium' => true,

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'local-seo-for-yoast-seo' => [

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'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1ya' ),

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'title' => 'Local SEO',

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'description' => __( 'Rank better locally and in Google Maps, without breaking a sweat!', 'wordpress-seo' ),

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'installed' => false,

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'slug' => 'wordpress-seo-local/local-seo.php',

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'version_sync' => true,

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'premium' => true,

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'yoast-woocommerce-seo' => [

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'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1o0' ),

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'title' => 'Yoast WooCommerce SEO',

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'description' => sprintf(

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/* translators: %1$s expands to Yoast SEO */

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__( 'Seamlessly integrate WooCommerce with %1$s and get extra features!', 'wordpress-seo' ),

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'Yoast SEO'

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'_dependencies' => [

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'WooCommerce' => [

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'slug' => 'woocommerce/woocommerce.php', // Kept for backwards compatibility, in case external code uses get_dependencies(). Deprecated in 22.4.

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'conditional' => new WooCommerce_Conditional(),

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'installed' => false,

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'slug' => 'wpseo-woocommerce/wpseo-woocommerce.php',

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'version_sync' => true,

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'premium' => true,

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];

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}

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/**

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* Sets certain plugin properties based on WordPress' status.

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* @return void

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protected function register_yoast_plugins_status() {

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foreach ( $this->plugins as $name => $plugin ) {

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$plugin_slug = $plugin['slug'];

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$plugin_path = WP_PLUGIN_DIR . '/' . $plugin_slug;

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if ( file_exists( $plugin_path ) ) {

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$plugin_data = get_plugin_data( $plugin_path, false, false );

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$this->plugins[ $name ]['installed'] = true;

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$this->plugins[ $name ]['version'] = $plugin_data['Version'];

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$this->plugins[ $name ]['active'] = is_plugin_active( $plugin_slug );

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}

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}

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}

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/**

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* Checks whether or not a plugin is known within the Yoast SEO collection.

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* @param string $plugin The plugin to search for.

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* @return bool Whether or not the plugin is exists.

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protected function plugin_exists( $plugin ) {

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return isset( $this->plugins[ $plugin ] );

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}

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/**

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* Gets all the possibly available plugins.

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* @return array Array containing the information about the plugins.

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public function get_plugins() {

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return $this->plugins;

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}

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/**

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* Gets a specific plugin. Returns an empty array if it cannot be found.

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* @param string $plugin The plugin to search for.

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* @return array The plugin properties.

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public function get_plugin( $plugin ) {

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if ( ! $this->plugin_exists( $plugin ) ) {

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return [];

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}

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return $this->plugins[ $plugin ];

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}

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/**

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* Gets the version of the plugin.

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* @param array $plugin The information available about the plugin.

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* @return string The version associated with the plugin.

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public function get_version( $plugin ) {

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if ( ! isset( $plugin['version'] ) ) {

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return '';

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}

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return $plugin['version'];

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}

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/**

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* Checks if there are dependencies available for the plugin.

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* @param array $plugin The information available about the plugin.

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* @return bool Whether or not there is a dependency present.

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public function has_dependencies( $plugin ) {

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return ( isset( $plugin['_dependencies'] ) && ! empty( $plugin['_dependencies'] ) );

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}

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/**

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* Gets the dependencies for the plugin.

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* @param array $plugin The information available about the plugin.

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* @return array Array containing all the dependencies associated with the plugin.

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public function get_dependencies( $plugin ) {

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if ( ! $this->has_dependencies( $plugin ) ) {

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return [];

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}

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return $plugin['_dependencies'];

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}

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/**

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* Checks if all dependencies are satisfied.

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* @param array $plugin The information available about the plugin.

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* @return bool Whether or not the dependencies are satisfied.

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public function dependencies_are_satisfied( $plugin ) {

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if ( ! $this->has_dependencies( $plugin ) ) {

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return true;

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}

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$dependencies = $this->get_dependencies( $plugin );

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$active_dependencies = array_filter( $dependencies, [ $this, 'is_dependency_active' ] );

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return count( $active_dependencies ) === count( $dependencies );

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}

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/**

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* Checks whether or not one of the plugins is properly installed and usable.

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* @param array $plugin The information available about the plugin.

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* @return bool Whether or not the plugin is properly installed.

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public function is_installed( $plugin ) {

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if ( empty( $plugin ) ) {

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return false;

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}

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return $this->is_available( $plugin );

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}

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/**

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* Gets all installed plugins.

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* @return array The installed plugins.

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public function get_installed_plugins() {

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$installed = [];

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foreach ( $this->plugins as $plugin_key => $plugin ) {

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if ( $this->is_installed( $plugin ) ) {

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$installed[ $plugin_key ] = $plugin;

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}

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}

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return $installed;

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}

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/**

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* Checks for the availability of the plugin.

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* @param array $plugin The information available about the plugin.

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* @return bool Whether or not the plugin is available.

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public function is_available( $plugin ) {

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return isset( $plugin['installed'] ) && $plugin['installed'] === true;

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}

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/**

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* Checks whether a dependency is active.

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* @param array<string, Conditional> $dependency The information about the dependency to look for.

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* @return bool Whether or not the dependency is active.

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public function is_dependency_active( $dependency ) {

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return $dependency['conditional']->is_met();

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}

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/**

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* Checks whether a dependency is available.

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* @deprecated 22.4

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* @codeCoverageIgnore

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* @param array $dependency The information about the dependency to look for.

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* @return bool Whether or not the dependency is available.

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public function is_dependency_available( $dependency ) {

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_deprecated_function( __METHOD__, 'Yoast SEO 22.4' );

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return isset( get_plugins()[ $dependency['slug'] ] );

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}

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/**

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* Gets the names of the dependencies.

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* @param array $plugin The plugin to get the dependency names from.

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* @return array Array containing the names of the associated dependencies.

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public function get_dependency_names( $plugin ) {

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if ( ! $this->has_dependencies( $plugin ) ) {

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return [];

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}

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return array_keys( $plugin['_dependencies'] );

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}

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/**

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* Gets an array of plugins that have defined dependencies.

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* @return array Array of the plugins that have dependencies.

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public function get_plugins_with_dependencies() {

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return array_filter( $this->plugins, [ $this, 'has_dependencies' ] );

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}

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/**

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* Determines whether or not a plugin is active.

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* @param string $plugin The plugin slug to check.

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* @return bool Whether or not the plugin is active.

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public function is_active( $plugin ) {

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return is_plugin_active( $plugin );

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}

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/**

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* Determines whether or not a plugin is a Premium product.

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* @param array $plugin The plugin to check.

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* @return bool Whether or not the plugin is a Premium product.

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public function is_premium( $plugin ) {

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return isset( $plugin['premium'] ) && $plugin['premium'] === true;

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}

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}

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