public function actionGetGoodsByBrend() { $brend_id = Yii::$app->request->post('brend_id'); $model = Goods::getGoodsByBrendId($brend_id); Yii::$app->response->format = \yii\web\Response::FORMAT_JSON; if ($model) { return $this->renderAjax('/ajax/_get-goods-by-category', ['model' => $model]); } else { return $this->renderAjax('/ajax/_empty'); } }