Easy Image Rotate Tutorial

<?php
@header("Pragma: nocache");
$URL1="Your Image Source";
$URL2="Your Image Source";
$URL3="Your Image Source";
$URL4="Your Image Source";
$URL5="Your Image Source";

srand((double) microtime() * 1000);
$random = rand(1,5);

if($random == 1)
@header ("Location: $URL1");
elseif ($random == 2)
@header ("Location: $URL2");
elseif ($random == 3)
@header ("Location: $URL3");
elseif ($random == 4)
@header ("Location: $URL4");
elseif ($random == 5)
@header ("Location: $URL5");
?>