подсветка php кода

<?php
/*
*подсветка кода
*автор: nc_soft
*25.08.07
*/

$num=30;
$i=100;
$rand='';
$mtrand='';
while ($i)
{
    $rand.=rand(0,100)."\n";
    $mtrand.=mt_rand(0,100)."\n";
    $i--;
}
//fwrite(fopen('rand.prn','w+'),$rand);
//fwrite(fopen('mtrand.prn','w+'),$mtrand);
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body {font-family:Arial, Helvetica, sans-serif; font-size:12px}
div.main {margin:1%}
div.code {border:1px solid black; background-color: #FFFFCC; padding:5px}
</style>
<title>Untitled Document</title>
</head>

<body>
<div class="main">
<div class="code">
<?
highlight_file('rand.php');
?>
</div>
</div>

</body>
</html>