SQLGlobal::buildOrderBy PHP Метод

    protected function buildOrderBy()
    {
        $sql =& $this->_sql;
        if (count($this->orderBy) == 0) {
            return;
        }
        $sql[] = "ORDER BY";
        $orderByData = array();
        foreach ($this->orderBy as $key => $value) {
            if (is_int($key)) {
                $orderByData[] = "{$value}";
            } else {
                $orderByData[] = "{$key} {$value}";
            }
        }
        $sql[] = implode(', ', $orderByData);
    }