PHP Minecraft Info Query

phpmcinfo.php

<?php
class Socket
{
	private $sock;
	public function __construct()
	{
		$this->sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
		if(!$this->sock)
			throw new Exception("Socket.create() failed; reason: " . socket_strerror(socket_last_error($this->sock)) . "\n");

	}
	public function connect($host = "127.0.0.1", $port = 0)
	{
		if(socket_connect($this->sock, $host, $port) === false)
			throw new Exception("Socket.connect() failed; reason: " . socket_strerror(socket_last_error($this->sock)) . "\n");
	}
	public function recv($length)
	{
		$buffer = "";
		if (false !== ($bytes = socket_recv($this->sock, $buffer, $length, MSG_WAITALL))) {
			return $buffer;
		} else {
			throw new Exception("Socket.recv() failed; reason: " . socket_strerror(socket_last_error($this->sock)) . "\n");
		}
	}
	public function send($string)
	{
		$length = strlen($string);
		socket_write( $this->sock, $string, $length);
	}
	public function close()
	{
		socket_close($this->sock);
	}
};

function getInfo()
{
	$buf = "";
	$host = "127.0.0.1";
	$port = 25565;
	$socket = new Socket();
	$socket->connect($host, $port);
	$socket->send(chr(0xfe));
	$response = $socket->recv(1);
	if(ord($response) != 0xFF)
		throw new Exception("Assert failed. Response: $response");
	$len = unpack("n",$socket->recv(2));
	$len = $len[1];
	$response = $socket->recv($len*2);
	echo "Response: " . utf8_encode($response);
}

echo getInfo();
?>