static function remove_sub($list_id, $user_id) { $db = JFactory::getDBO(); $sub_id = JoomdleHelperAcymailing::get_sub_id($user_id); $query = 'DELETE ' . ' FROM #__acymailing_listsub' . ' WHERE listid=' . $db->Quote($list_id) . ' AND subid=' . $db->Quote($sub_id); $db->setQuery($query); $db->Query(); return "OK"; }