public function actionAddAnswer() { $questionId = Yii::$app->request->post('questionId'); $content = Yii::$app->request->post('content'); $answeredUserId = Yii::$app->request->post('answeredUserId'); $answerUserId = Yii::$app->user->id; $model = new Answer(); if ($model->addData($questionId, $content, $answerUserId, $answeredUserId)) { echo Json::encode('true'); return; } else { echo Json::encode('false'); return; } }