A simple feed parser (tested against WP Feed) in PHP

RSSFeedParser

<?php

class RSSFeedParser {

    private $feed_url;

    public function __construct($feed_url)
    {
        $this->feed_url = $feed_url;
    }

    public function getEntries($limit = NULL)
    {
        $rss = new DOMDocument();
        $rss->load($this->feed_url);

        $feed = array();

        $entries = $rss->getElementsByTagName('item');
        $entries_number = $entries->length;

        if (is_null($limit) || $limit > $entries_number)
            $limit = $entries_number;


        foreach ($entries as $node)
        {
            $item = array (
                'title' => $node->getElementsByTagName('title')->item(0)->nodeValue,
                'content' => $node->getElementsByTagName('description')->item(0)->nodeValue,
                'link' => $node->getElementsByTagName('link')->item(0)->nodeValue,
                'date' => $node->getElementsByTagName('pubDate')->item(0)->nodeValue,
            );
            array_push($feed, $item);
            
            --$limit;
            if ($limit === 0)
                break;
        }

        return $feed;
    }
}