File Content: indexable-post-meta-watcher.php <?php namespace Yoast\WP\SEO\Integrations\Watchers; use WPSEO_Meta; use Yoast\WP\SEO\Conditionals\Migrations_Conditional; use Yoast\WP\SEO\Integrations\Integration_Interface; /** * WordPress post meta watcher. */ class Indexable_Post_Meta_Watcher implements Integration_Interface { /** * The post watcher. * * @var Indexable_Post_Watcher */ protected $post_watcher; /** * An array of post IDs that need to be updated. * * @var array */ protected $post_ids_to_update = []; /** * Returns the conditionals based on which this loadable should be active. * * @return array */ public static function get_conditionals() { return [ Migrations_Conditional::class ]; } /** * Indexable_Postmeta_Watcher constructor. * * @param Indexable_Post_Watcher $post_watcher The post watcher. */ public function __construct( Indexable_Post_Watcher $post_watcher ) { $this->post_watcher = $post_watcher; } /** * Initializes the integration. * * This is the place to register hooks and filters. */ public function register_hooks() { // Register all posts whose meta have changed. \add_action( 'added_post_meta', [ $this, 'add_post_id' ], 10, 3 ); \add_action( 'updated_post_meta', [ $this, 'add_post_id' ], 10, 3 ); \add_action( 'deleted_post_meta', [ $this, 'add_post_id' ], 10, 3 ); // Remove posts that get saved as they are handled by the Indexable_Post_Watcher. \add_action( 'wp_insert_post', [ $this, 'remove_post_id' ] ); \add_action( 'delete_post', [ $this, 'remove_post_id' ] ); \add_action( 'edit_attachment', [ $this, 'remove_post_id' ] ); \add_action( 'add_attachment', [ $this, 'remove_post_id' ] ); \add_action( 'delete_attachment', [ $this, 'remove_post_id' ] ); // Update indexables of all registered posts. \register_shutdown_function( [ $this, 'update_indexables' ] ); } /** * Adds a post id to the array of posts to update. * * @param int|string $meta_id The meta ID. * @param int|string $post_id The post ID. * @param string $meta_key The meta key. * * @return void */ public function add_post_id( $meta_id, $post_id, $meta_key ) { // Only register changes to our own meta. if ( \strpos( $meta_key, WPSEO_Meta::$meta_prefix ) !== 0 ) { return; } if ( ! \in_array( $post_id, $this->post_ids_to_update, true ) ) { $this->post_ids_to_update[] = (int) $post_id; } } /** * Removes a post id from the array of posts to update. * * @param int|string $post_id The post ID. * * @return void */ public function remove_post_id( $post_id ) { $this->post_ids_to_update = \array_diff( $this->post_ids_to_update, [ (int) $post_id ] ); } /** * Updates all indexables changed during the request. * * @return void */ public function update_indexables() { foreach ( $this->post_ids_to_update as $post_id ) { $this->post_watcher->build_indexable( $post_id ); } } } Submit