Turn the Penny Arcade DLC page into a *real* podcast.

index.php

<?php
date_default_timezone_set('America/Chicago');

$subject = file_get_contents("http://penny-arcade.com/dlc");

preg_match_all('%<li[ >].*?<h4>(?P<title>.*?)</h4>.*?class="paDLCLink"[^>]href="(?P<file>.*?)".*?</li%si', $subject, $result, PREG_SET_ORDER);

header('Content-Type: application/rss+xml');

echo '<?xml version="1.0" encoding="UTF-8"?>';
?>
<rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:media="http://search.yahoo.com/mrss/">
	<channel>
		<title>Penny Arcade Podcast Test</title>
		<pubDate>Mon, 19 Aug 2013 17:16:00 +0000</pubDate>
		<lastBuildDate>Thu, 05 Sep 2013 14:56:10 +0000</lastBuildDate>
		<link>http://penny-arcade.com/dlc</link>
		<language>en</language>
		<copyright><![CDATA[Penny Arcade, Jerry Holkins, Mike Krahulik]]></copyright>
		<description><![CDATA[Penny Arcade Podcast!]]>
		</description>
		<image>
			<url>http://hw1.pa-cdn.com/pa/assets/img/logo_penny_arcade.png</url>
			<title>Penny Arcade Podcast Test</title>
			<link>
			<![CDATA[http://penny-arcade.com/dlc]]></link>
		</image>
		<itunes:author>Penny Arcade</itunes:author>
		<itunes:keywords>comedy,drama</itunes:keywords>
		<itunes:category text="Comedy" />
		<itunes:category text="Arts">
			<itunes:category text="Performing Arts" />
		</itunes:category>
		<itunes:image href="http://hw1.pa-cdn.com/pa/assets/img/logo_penny_arcade.png" />
		<itunes:explicit>no</itunes:explicit>
		<itunes:summary><![CDATA[Penny Arcade Podcast!]]>
		</itunes:summary>
		<itunes:subtitle><![CDATA[]]></itunes:subtitle>
		<?php

		foreach( $result as $row ) {

			if (preg_match('%\d\d/\d\d/\d{4}%si', $row['title'], $regs)) {
				$date = $regs[0];
			} else {
				$date = false;
			}

			?>

			<item>
				<title><?= htmlentities($row['title']) ?></title>
				<?php if($date) { ?>
				<pubDate><?= date(DATE_RSS, strtotime($date)) ?></pubDate>
				<?php } ?>
				<guid isPermaLink="false"><![CDATA[<?= md5( $row['title'] ) ?>]]></guid>
				<link><![CDATA[<?= $row['file'] ?>]]></link>
				<description><![CDATA[<?= htmlentities($row['title']) ?>]]></description>
				<enclosure type="audio/mpeg" url="<?= $row['file'] ?>" />
				<itunes:explicit>yes</itunes:explicit>
				<itunes:keywords />
			</item>
			<?php
		}
		?>
	</channel>
</rss>