function channel()
{
$result = (object) array();
$result->title = $this->get_title();
$result->description = $this->get_description();
$result->link = Uri::www();
$result->last_build_date = time();
$result->language = api_get_language_isocode();
$result->update_period = 'hourly';
$result->update_frequency = 1;
$result->generator = Uri::chamilo();
$items = $this->get_query()->get_items();
$items = $this->format($items);
$result->items = $items;
return $result;
}
/**
* Application web root
*/
public static function www()
{
return Uri::www();
}
