feed.xml

<?
include($_SERVER['DOCUMENT_ROOT']."/constants.php");

function get_dir_contents($web_directory) {
	$directory = $_SERVER['DOCUMENT_ROOT'].$web_directory;
	if(file_exists($directory)) {
		$myDirectory = opendir($directory);

		while($entryName = readdir($myDirectory)) {
		    if (substr($entryName, 0, 1) != "."){
				$dirArray[] = $entryName;	
			}
		}
		sort($dirArray, SORT_NUMERIC);

		return $dirArray;
	}
}

$systemfiles = array("index.php", "indexcontents.php", "constants.php", "contents.php", "feed.php", "footer.php", "disqus.php");

$files = get_dir_contents("/");

$feedarray = array();

foreach ($files as $filename) {
	$ext = pathinfo($filename, PATHINFO_EXTENSION);

	if ($ext == "php" && !in_array($filename, $systemfiles)) {
		
		$feedarray[$filename] = filemtime($filename);

	}
}

arsort($feedarray);

foreach ($feedarray as $page => $modified) {
	$mostrecent = $modified;
	break;
}

echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>  <?xml-stylesheet type=\"text/xsl\" href=\"/atom2html.xslt\"?> <feed xmlns=\"http://www.w3.org/2005/Atom\">";
?>
	<title>CSS3 Transitions, Transforms and Animations</title>
	<subtitle>Examples and practical uses by Rich Bradshaw</subtitle>
	<link href="http://css3.bradshawenterprises.com/feed.php" rel="self" />
	<link href="http://css3.bradshawenterprises.com/" />
	<id>tag:css3.bradshawenterprises.com,2012-02-12:/20120212161845979</id>
	
	<updated><?= date(DATE_ATOM, $mostrecent )?></updated>	


<? foreach ($feedarray as $page => $modified) {
	$realpage =	str_replace(".php","",$page);

	$linktopage = "http://css3.bradshawenterprises.com/".$realpage."/";

	?>

	<entry>
		<author>
			<name>Rich Bradshaw</name>
		</author>
				
		<title type="html"><![CDATA[Updated: <?= $titles[$realpage] ?>]]></title>

		<link rel="alternate" type="text/html" href="<?= $linktopage ?>" />		

		<id>tag:css3.bradshawenterprises.com,2012:</id>
		
		<updated><?= date(DATE_ATOM, $modified) ?></updated>
		<published><?= date(DATE_ATOM, $modified) ?></published>		
		
		<content type="html"><![CDATA[I've just updated the content on my CSS3 transitions, transforms and animations page. Have a look at the page that's changed/been added <a href="<?= $linktopage ?>">here</a>.]]></content>
	</entry>

<? } ?>

</feed>