'yourls_api_action_shorturl', 'stats' => 'yourls_api_action_stats', 'db-stats' => 'yourls_api_action_db_stats', 'url-stats' => 'yourls_api_action_url_stats', 'expand' => 'yourls_api_action_expand', 'version' => 'yourls_api_action_version', ); $api_actions = yourls_apply_filter( 'api_actions', $api_actions ); // Register API actions foreach( (array) $api_actions as $_action => $_callback ) { yourls_add_filter( 'api_action_' . $_action, $_callback, 99 ); } // Try requested API method. Properly registered actions should return an array. $return = yourls_apply_filter( 'api_action_' . $action, false ); if ( false === $return ) { $return = array( 'errorCode' => 400, 'message' => 'Unknown or missing "action" parameter', 'simple' => 'Unknown or missing "action" parameter', ); } if( isset( $_REQUEST['callback'] ) ) $return['callback'] = $_REQUEST['callback']; $format = ( isset( $_REQUEST['format'] ) ? $_REQUEST['format'] : 'xml' ); yourls_api_output( $format, $return ); die();