public function sortForumBy($sort_by_sql)
    {
        $sort_by_sql = Container::get('hooks')->fire('model.forum.sort_forum_by_start', $sort_by_sql);

        switch ($sort_by_sql) {
            case 0:
                $sort_by = 'last_post DESC';
                break;
            case 1:
                $sort_by = 'posted DESC';
                break;
            case 2:
                $sort_by = 'subject ASC';
                break;
            default:
                $sort_by = 'last_post DESC';
                break;
        }

        $sort_by = Container::get('hooks')->fire('model.forum.sort_forum_by', $sort_by);

        return $sort_by;
    }