DB\SQL\Mapper::get PHP Метод

    function &get($key)
    {
        if ($key == '_id') {
            return $this->_id;
        } elseif (array_key_exists($key, $this->fields)) {
            return $this->fields[$key]['value'];
        } elseif (array_key_exists($key, $this->adhoc)) {
            return $this->adhoc[$key]['value'];
        }
        user_error(sprintf(self::E_Field, $key), E_USER_ERROR);
    }