public function actionGetL2ByL1() { $post = Yii::$app->request->post(); $subcat = Photo::getL2ByL1($post['l1_id']); foreach ($subcat as &$one_subcat) { $one_subcat['level_2_name'] = Yii::t('yii', $one_subcat['level_2_name']); } return json_encode($subcat); }