setChangeFreq('always'); $index_url->setPriority(0.9); $urlset_page_post->add($index_url); $list_post = Post::cache(60)->where('status', 1)->whereIn('tpl_name', [''])->select(); foreach ($list_post as $model_post) { $url_post = new Url($model_post->read_url); $url_post->setChangeFreq('yearly'); $last_mod_date = new DateTime($model_post->publish_time_datetime); $url_post->setLastMod($last_mod_date); $url_post->setPriority(0.9); $urlset_page_post->add($url_post); } $dirver = new XmlWriterDriver(); // $urlset_page_list->accept($dirver); $urlset_page_post->accept($dirver); return $dirver->output(); } }