รบกวนขอ code ตรวจสอบสถานะ server ว่า Online / Offline !!!!!!!

/* Usage: 
$status =  GetServerStatus('http://domain.com',80)
or
$status =  GetServerStatus('IPAddress',80)
*/
 
<?php
function GetServerStatus($site, $port)
{
$status = array("OFFLINE", "ONLINE");
$fp = @fsockopen($site, $port, $errno, $errstr, 2);
if (!$fp) {
    return $status[0];
} else
  { return $status[1];}
}
?>

<?php
	$ip = "192.168.104.104";
	$exe= exec("ping -n 5 $ip");
	if(!$exe){
	echo " Offline";
	}
?>