smajda

<?php 
/* Merge multiple RSS feeds with SimplePie
 *
 * Just modify the path to SimplePie and 
 * modify the $feeds array with the feeds you want
 *
 * You should probably also change the channel title, link and description,
 * plus I added a CC license you may not want
 *
 * Help from: http://www.webmaster-source.com/2007/08/06/merging-rss-feeds-with-simplepie/