/** * Creates a new Post model. * If creation is successful, the browser will be redirected to the 'view' page. * @return mixed */ public function actionCreate() { $model = new Post(); $model->user_id = \Yii::$app->user->id; if ($model->load(Yii::$app->request->post())) { $model->type = $this->type; $model->category_id = implode(',', $model->category_id); if ($model->save()) { return $this->redirect(['view', 'id' => $model->id]); } } else { return $this->render('create', ['model' => $model]); } }