$ip = "77.241.199.156";
$port = "27019";
$packet = "\xFF\xFF\xFF\xFFTSource Engine Query\x00";
 function getnextstring(&$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;
   }
 
        if(!$live_server = fsockopen("udp://".$ip.":".$port.""))
       {
        $output = "Off";
      }
       else
       {
        fwrite($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 {
          $servername = "<font color='#ff3600'>Serveris neveikia</font>";
         }
         echo "<table cellpadding='0' cellspacing='1' width='100%' height='25'>\n<tr>\n";
         echo"<td class='gtinasr56' align='center'>".$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>\n</table>\n";
      }