Tak on wygląda:
<?php $url = ($module == 'main' && empty($data) && empty($action)) ? append_session_id("{$path}portal.$phpEx") : (!empty($action) && !empty($data)) ? append_session_id("{$path}portal.$phpEx", "m=$module&a=$action&$data") : (!empty($action) && empty($data)) ? append_session_id("{$phpbb_root_path}portal.$phpEx", "m=$module&a=$action") : append_session_id("{$path}portal.$phpEx", "m=$module&$data"); ?>
Pozdrawiam