<?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 1';
$category->scheme = 'Category scheme 1';
$category->label = 'Category label 1';

$category = $feed->add( 'category' );
$category->term = 'Category term 2';
$category->scheme = 'Category scheme 2';
$category->label = 'Category label 2';

return $feed;
?>