Sort rss feeds by date??

Hey guys
Been a while since I have been here but have a problem I can seem to find a solution to.
Below you will see my PHP code for retrieving rss feeds from a link.
But the problem I'm having with this is that the feeds are appearing from the oldest article 1st and the newest article last.
How can a reverse the order?
<?php
$xml_doc = new DOMDocument();
$xml_doc->load ("http://www.istructe.org/home?rss=Latest-News-Features");
foreach ($xml_doc->getElementsByTagName('item') as $node) {
echo "<a href = '" .$node->getElementsByTagName('link')->item(0)->nodeValue ."' target='_new' >";
 echo "" .$node->getElementsByTagName('title')->item(0)->nodeValue. "";
 echo " ";
 echo $node->getElementsByTagName('pubDate')->item(0)->nodeValue;
 echo "</a>";
?>
Regards,
Ashveer

Hi Gramps
thanks for the reply, but this is not really what I am looking for.
My PHP code already brings the feeds I need to my website, but the order of the articles appear oldest 1st and latest article last.
I want to actually display the latest posted articles 1st, reversing the order of how it is displayed.
you can see it at work here http://www.jsd.co.za/
Regards,
Ashveer

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