parse wp feed

parse.php

<?php
$article_string = file_get_contents( $url );
$article_string = preg_replace_callback('/<!\[CDATA\[(.*)\]\]>/', 'filter_xml', $article_string);
$article_xml = simplexml_load_string($article_string);
$namespaces = $article_xml->getNamespaces(true); // get namespaces
function filter_xml($matches) {
    return trim(htmlspecialchars($matches[1]));
}
//
// foreach ($article_xml->channel->item as $item) {
//     echo '<pre>';
//     print_r($item);
//     echo '</pre><hr />';
// }
$feed = $article_xml;
// echo $feed->channel->title.'<br />';
// echo $feed->channel->link.'<br />';
// echo $feed->channel->description.'<br />';
// echo $feed->channel->lastBuildDate.'<br />';
$i = 0;
foreach ($feed->channel->item as $article) {
    if($i == 2)
    die();
    echo 'Link: ' . $article->link.'<br />';
    echo 'Title: ' . $article->title.'<br />';
    echo 'Category: ' . $article->category.'<br />';
    echo 'Pb Date: ' . $article->pubDate.'<br />';
    echo 'Desc: ' . $article->description.'<br />';
    echo $article->children('http://purl.org/rss/1.0/modules/content/')->encoded;
    foreach ($article->enclosure->attributes() as $key => $value) {
        echo $key . ' - ' . $value.'<br />';
    }
    echo 'Pb Date: ' . date('F jS, Y', strtotime($article->pubDate)).'<br /><hr />';

    $dc = $article->children('http://purl.org/dc/elements/1.1/');
    echo '<pre>';
    var_dump($dc);
    echo '</pre>';
    $i++;
}

?>