public function actionChangePreviewBestPhoto() { $post = Yii::$app->request->post(); if (isset($post['best_photo_now_id'])) { $photoDay = Photo::getBestPhotoNow($post['date'], $post['type'], $post['category_id'], $post['subcategory_id'], $post['best_photo_now_id']); } else { $photoDay = Photo::getBestPhotoNow($post['date'], $post['type'], $post['category_id'], $post['subcategory_id']); } return json_encode($photoDay); }