PHP minecraft server Status.

<?php
class minecraft_server {
private $address;
private $port;
public function __construct($address, $port = 25565){
$this->address = $address;
$this->port = $port;
}
public function get_ping_info(&$info){
$socket = @fsockopen($this->address, $this->port, $errno, $errstr, 1.0);
if ($socket === false){
return false;
}
fwrite($socket, "\xfe\x01");
$data = fread($socket, 256);
if (substr($data, 0, 1) != "\xff"){
return false;
}
if (substr($data, 3, 5) == "\x00\xa7\x00\x31\x00"){
$data = explode("\x00", mb_convert_encoding(substr($data, 15), 'UTF-8', 'UCS-2'));
}else{
$data = explode('§', mb_convert_encoding(substr($data, 3), 'UTF-8', 'UCS-2'));
}
if (count($data) == 3){
$info = array(
'version'        => '1.3.2',
'motd'            => $data[0],
'players'        => intval($data[1]),
'max_players'    => intval($data[2]),
);
}else{
$info = array(
'version'        => $data[0],
'motd'            => $data[1],
'players'        => intval($data[2]),
'max_players'    => intval($data[3]),
);
}
return true;
}
}
$server = new minecraft_server('mc.ggcubes.cz', 25586);
if (!$server->get_ping_info($info)){
}else{

echo '<html><head><title>Minecraft server status</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
echo '<meta name="Language" content="cz" />';
echo '</head><body>';
echo "'";
print $info['motd'];
echo "'<br>";
echo "Hraje zde  '";
print $info['players'];
echo " z ";
print $info['max_players'];
echo "' hráčů.";
echo '<br></body></html>';
}
?>