<?php
    function ping($host, $port, $timeout){return fSockOpen($host, $port, $errno, $errstr, $timeout);}

	class ServerStatus {
		private $status = array();
		public function __construct($status) {$this->status = $status;}
		public function getMOTD() {return $this->status["motd"];}
		public function getVersion() {return $this->status["version"];}
		public function getCurrentPlayers() {return $this->status["players"];}
		public function getAddress() {return $this->status["address"];}
	}
	
	class ServerStatusQuery {
		public function __construct() {}
		
		public function getServerInfo($address = "127.0.0.1", $port = 25565, $timeout = 5) {
			if(!filter_var($address, FILTER_VALIDATE_IP)) {$address = gethostbyname($address);}
            $ping_start = microtime(true);
			$socket = stream_socket_client("tcp://" . $address . ":" . $port, $errorNumber, $errorString, $timeout );
			
            if (!$socket) {return false;}
            else {
				stream_set_timeout($socket, $timeout );
				fwrite ($socket, "\XFE\01");
				$data = fread( $socket, 2048);
				fclose($socket);
				$ping = microtime(true) - $ping_start;
				if($data == null) {return false;}
			
				if (substr((String) $data, 3, 5) == "\00\xa7\x00\x31\x00") {
					$content = explode( "\x00", mb_convert_encoding(substr((String)$data, 15), 'UTF-8', 'UCS-2' ) );
					$content[1] = preg_replace("/(§.)/", "",$content[1]);
				}
                else {
					$content = explode('§', mb_convert_encoding(substr((String)$data, 3), 'UTF-8', 'UCS-2'));
                    $content[1] = "";
                    foreach ($content as $key => $string) {
                        if($key != sizeof($content)-1 && $key != sizeof($content)-2 && $key != 0) {$content[1] .= '§'.$string;}
                    }
                    $content[1] = preg_replace("/(§.)/", "", $content[1]);
				}
				$content[1] = preg_replace("/[^[:alnum:][:punct:] ]/", "", $content[1]);
				
				$info = array(
                    "version"		=>	$content[1],
					"motd"  		=>	$content[2],
					"players"	    =>	$content[3],
					"address"		=>	$address
				);
					
				return new ServerStatus($info);
			}
		}
	};
?>