Rewrite the link of an RSS feed to that of the first anchor in the description

gistfile1.aw

include('Zend/Feed/Rss.php');
include('Zend/Dom/Query.php');

$feed = new Zend_Feed_Rss('http://example.com/rss');

foreach ($feed as $item) {

      # where feed contains an <a href="" />, use that as the RSS <link> value
      $dom = new Zend_Dom_Query(html_entity_decode($item->description()));
      $anchor = $dom->query('a');
      if ( count($anchor) > 0 ) {
              $item->link = htmlentities( $anchor->current()->getAttribute('href') );
      }
}

header('Content-type: application/xml');
echo $feed->saveXml();