private function _add_prefix(&$result) { add_img_prefix($result, 'article_img'); }
private function _add_prefix(&$result) { add_img_prefix($result, 'topic_img'); add_img_prefix($result, 'topic_detail_back'); }
private function _add_prefix(&$result) { add_img_prefix($result, 'media_avatar'); add_img_prefix($result, 'media_detail_back'); }
private function _add_prefix(&$result) { add_img_prefix($result, 'user_avatar'); }