Stash::sort_by_integer PHP Метод

    protected function sort_by_integer($a, $b)
    {
        if ($a[$this->_key2sort] == $b[$this->_key2sort]) {
            return 0;
        }
        return $a[$this->_key2sort] < $b[$this->_key2sort] ? -1 : 1;
    }