DB\SQL\Mapper::reset PHP Метод

    function reset()
    {
        foreach ($this->fields as &$field) {
            $field['value'] = NULL;
            $field['initial'] = NULL;
            $field['changed'] = FALSE;
            if ($field['pkey']) {
                $field['previous'] = NULL;
            }
            unset($field);
        }
        foreach ($this->adhoc as &$field) {
            $field['value'] = NULL;
            unset($field);
        }
        parent::reset();
    }