/**
  * Deletes existing images.
  * If deletion is successful, the gridview will be refreshed.
  * @param string $id
  * @return mixed
  */
 public function actionMultipleDelete()
 {
     // @todo $ids as param in action?
     $data['status'] = 0;
     Yii::$app->response->format = Response::FORMAT_JSON;
     if (Yii::$app->request->isAjax) {
         $ids = Yii::$app->request->post('ids');
         Image::deleteAll(['id' => $ids]);
         $data['message'] = Yii::t('app', '{n, plural, =1{Image} other{# images}} successfully deleted', ['n' => count($ids)]);
         $data['status'] = 1;
     }
     return $data;
 }