mqtt publish

<?php
//publish.php



  require("phpMQTT.php");



  $host = "10.0.99.94";
  $port = "1883";
  $username = "";
  $password = "";
  $message = "Hello CloudMQTT!";

  //MQTT client id to use for the device. "" will generate a client id automatically
  $mqtt = new phpMQTT($host, $port, "testSub".rand());

  if ($mqtt->connect(true,NULL,$username,$password)) {
    $mqtt->publish("debug",$message, 0);
    $mqtt->close();
  }else{
    echo "Fail or time out<br />";
  }
  ?>