public function actionCreate()
 {
     $content = new Content();
     $translations = $content->initializeTranslations();
     if ($content->load($_POST) && Model::loadMultiple($translations, $_POST) && Model::validateMultiple($translations) && $content->save()) {
         $content->saveTranslations($translations);
         Yii::$app->session->setFlash('success', Yii::t('app', "Content {$content->name} created successfully"));
         return $this->redirect(['index']);
     }
     return $this->render('create', compact('content', 'translations'));
 }