[ 'class' => Cors::className(), ], ]; } public function actionIndex() { \Yii::$app->response->format = Response::FORMAT_JSON; if (\Yii::$app->request->isPost) { $model = new Feedback(\Yii::$app->request->post()); if ($model->validate() && $model->save()) { return [ 'status' => true, 'message' => 'Success', ]; } } return [ 'status' => false, 'message' => 'Error', ]; } }