index.php
<?php
$files = glob('*');
?>
<!DOCTYPE html>
<html>
<head>
<title>packy.se - source code</title>
<script language="javascript" src="/prettify/prettify.js"></script>
<link rel="stylesheet" href="/prettify/prettify.css" type="text/css" />
</head>
<body onload="prettyPrint()">
<?php if(empty($_GET['show'])) { ?>
<p>
<ul>
<?php foreach($files as $file) { ?>
<li><a href="?show=<?=$file?>"><?=$file?></a></li>
<?php } ?>
</ul>
</p>
<?php } ?>
<?php if(in_array($_GET['show'], $files)) { ?>
<h3><a href="/code/">/code/</a> <?=$_GET['show']?></h3>
<pre class="prettyprint"><?=htmlentities(file_get_contents($_GET['show']))?></pre>
<?php } ?>
</body>
</html>