Edit of barneygale's PHP Minecraft Server Pinger

mcping.php

<?php
$host = $_GET['ip'];
$port = $_GET['port'];
function pingserver($host, $port=25565, $timeout=30) {
	//Set up our socket
	$fp = fsockopen($host, $port, $errno, $errstr, $timeout);
	if (!$fp) return false;
	
	//Send 0xFE: Server list ping
	fwrite($fp, "\xFE");
	
	//Read as much data as we can (max packet size: 241 bytes)
	$d = fread($fp, 256);
	
	//Check we've got a 0xFF Disconnect
	if ($d[0] != "\xFF") return false;
	
	//Remove the packet ident (0xFF) and the short containing the length of the string
	$d = substr($d, 3);
	
	//Decode UCS-2 string
	$d = mb_convert_encoding($d, 'auto', 'UCS-2');
	
	//Split into array
	$d = explode("\xA7", $d);
	
	//Return an associative array of values
	return array(
		'motd'        =>        $d[0],
		'players'     => intval($d[1]),
		'max_players' => intval($d[2]));
}
$serverinfo = pingserver($_GET['ip'], $_GET['port'], $_GET['to']);
?>
<b>Message:</b><i><?php echo $serverinfo['motd']; ?></i><br />
<b>Players</b><i><?php echo $serverinfo['players']; ?>/<?php echo $serverinfo['max_players']; ?></i>