public function actionCreate()
 {
     $form = new WebsiteForm();
     if ($form->load($_POST) && $form->validate()) {
         $model = new Websites();
         $model->on(Websites::EVENT_AFTER_INSERT, function ($event) use($form) {
             $model = $event->sender;
             if ($form->user_id) {
                 WebsiteHasUser::batchInsertByCondition(['user_id'], explode(',', $form->user_id), ['website_id' => $model->id]);
             }
         });
         $model->setAttributes($form->getAttributes(null, ['user_id']), false);
         $model->insert(false);
         return $this->redirect('index');
     }
     return $this->render('create', ['model' => $form]);
 }