[PHP] RSS to Array function

<?php

$rss_tags = array(
'title',
'link',
'guid',
'comments',
'description',
'pubDate',
'category',
);
$rss_item_tag = 'item';
$rss_url = 'http://www.pixel2life.com/feeds/adobe_fireworks.xml';

$rssfeed = rss_to_array($rss_item_tag,$rss_tags,$rss_url);

echo '<pre>';
print_r($rssfeed);

function rss_to_array($tag, $array, $url) {
$doc = new DOMdocument();
$doc->load($url);
$rss_array = array();
$items = array();
foreach($doc->getElementsByTagName($tag) AS $node) {
foreach($array AS $key => $value) {
$items[$value] = $node->getElementsByTagName($value)->item(0)->nodeValue;
}
array_push($rss_array, $items);
}
return $rss_array;
}
?>