if (!$sr = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP)){
  die("Can't create a socket");
}

$server = $_GET['server'];
if (!isset($server)){
  $server = "xxx.xxx.xxx.xxx";
}
$port = $_GET['port'];
if (!isset($port)){
  $port = XXXXX;
}

$fp = fsockopen ("udp://" . $server . "", $port, $errno, $errstr, 5);
stream_set_timeout($fp,2);
if (!$fp) {
  die("Error: $errno - $errstr<br>\n");
}
if (fwrite($fp,"\\status\\") === false){
  die("Can not send a string to server");
}
  $str = fread($fp, 65000);
  fclose($fp);