Rcon для получения данных о сервере

Rcon.class.php

<?php 
class Rcon
{
	public $host, $port, $pass;
	
	private $fp, $challenge_number;
	
	public function __construct($host, $pass)
	{
		$_host = explode(":", $host);
		$this->host = $_host[0];
		$this->port = $_host[1];
		$this->pass = $pass;
	}
	
	public function Connect()
	{
		$this->fp = fsockopen("udp://".$this->host, $this->port);
		
		stream_set_timeout($this->fp, 1);
		
		return $this->fp ? $this->GetChallengeNumber() : false;
	}
	
	public function Disconnect()
	{
		return fclose($this->fp) ? true : false;
	}
	
	public function Command($command)
	{
		return $this->RconCommand("\xff\xff\xff\xffrcon $this->challenge_number \"$this->pass\" $command");
	}
	
	private function GetChallengeNumber()
	{
		$this->challenge_number = trim($this->RconCommand("\xff\xff\xff\xffchallenge rcon"));
		
		if(!empty($this->challenge_number))
		{
			$_challenge = explode(" ", $this->challenge_number);
			$this->challenge_number = $_challenge["2"];
			
			return $this->challenge_number;
		} else 
			return false;
	}
	
	private function RconCommand($command)
	{
		fputs($this->fp, $command, strlen($command));
		$buffer = fread($this->fp, 1);
		if($buffer)
		{
			$status = socket_get_status($this->fp);
			$buffer .= fread($this->fp, $status["unread_bytes"]);
		}
		return substr($buffer, 5);;
	}
}