MagpieRSS, affectionately known as Magpie, is an RSS and Atom parser for PHP. It allows you to display the newest articles from websites with RSS or Atom feeds on your own site. This is a great way to add new, fresh, and relevant information to your site. It parses RSS 0.9, RSS 1.0, and has some support for RSS 2.0 as well as Atom 0.3.