public static function get_items($cb_execution_start = null, $type = 'com_meego_planet_item_with_author')
{
$q = new midgard_query_select(new midgard_query_storage($type));
if ($cb_execution_start) {
$q->connect('execution-start', $cb_execution_start);
}
$q->execute();
return $q->list_objects();
}