<?php
$feed = new ezcFeed( 'atom' );

$feed->id = 'Feed id';
$feed->title = 'Feed title';
$feed->title->type = 'text';
$feed->updated = 'Feed updated';

$category = $feed->add( 'category' );
$category->term = 'Category term';
$category->scheme = 'Category scheme';

return $feed;
?>