function getnextstring(&$data)
    {
    $temp="";
    $counter=0;
    while (ord($data[$counter++])!=0) $temp.=$data[$counter-1];
    $data=substr($data,strlen($temp)+1);
    return $temp;
    }
    function getnextbytevalue(&$data)
    {
    $temp=ord($data[0]);
    $data=substr($data,1);
    return $temp;
    }
    function serveris($ip,$port) {
    $ip = $ip;
    $port = $port;
    $packet = "\xFF\xFF\xFF\xFFTSource Engine Query\x00";
    $live_server = fsockopen("udp://".$ip.":".$port."");
 
    if(!$live_server)
    {
    $output = "Off";
    }
    else
    {
    fwrite($live_server, $packet);
    socket_set_timeout($live_server,1,0);
    $junk = fread($live_server,5);
    $status = socket_get_status($live_server);
    $do = 1;
    $server_info= "";
 
    while($do)
    {
    $str_1 = fread($live_server,1);
    $server_info .= $str_1;
    $status = socket_get_status($live_server);
    if($status["unread_bytes"] == 0) {$do = 0;}
    }
    fclose($live_server);
 
    if (strlen($server_info) > 0)
    {
    $success = 1;
    $junk = getnextstring($server_info);
    $servername = getnextstring($server_info);
    $map = getnextstring($server_info);
    $junk = getnextstring($server_info);
    $junk = getnextstring($server_info);
    $players = getnextbytevalue($server_info);
    $maxplayers = getnextbytevalue($server_info);
    }
 
    if ($players != '') {
    $players = $players;
    } else {
    $players = "0";
    }
 
    if ($maxplayers != '')
    {
    $maxplayers = $maxplayers;
    }
    else
    {
    $maxplayers = "0";
    }
    if ($players < $maxplayers)
    {
    $output = "<font color='#ff0000'>On</font>";
    }
 
    else
    {
    $output = "<font color='#54ff00'>Full</font>";
    }
    if ($output != "Full" and $players != "0" or $maxplayers != "0")
    {
    $output = $output;
    }
    else
    {
    $output = "<font color='#ff3600'>Off</font>";
    }
    if ($map != '')
    {
    $map = $map;
    }
    else
    {
    $map = "-----";
    }
    if ($servername != '') {
    $servername = $servername;
    } else {
    $servername = "<font color='#ff3600'>Serveris neveikia</font>";
    }
    echo "<table cellpadding='0' cellspacing='1' width='100%' height='25'><tr>";
    echo"<td class='gtinasr56' align='center'>".$output."</td>
    <td class='vovercikas' align='center'>".$ip.":".$port."</td>
    <td class='vovercikas' align='center'>".$servername."</td>
    <td class='vovercikas' align='center'>".$map."</td>
    <td class='vovercikas' align='center'>".$players."/".$maxplayers."</td>";
    echo "</tr></table>";
    }
    }
    serveris('77.241.194.220','27015');
    serveris('77.241.194.220','27017');
    serveris('73.241.154.224','27016');
    serveris('77.241.154.227','27015');
    serveris('71.241.194.228','27015');