public function getFldTypeForPhp()
    {
        $type = 'mixed';
        switch ($this->getFldType()) {
            case FFCST::TYPE_INTEGER:
            case FFCST::TYPE_BIGINT:
                $type = 'int';
                break;
            case FFCST::TYPE_DATETIME:
            case FFCST::TYPE_MD5:
            case FFCST::TYPE_STRING:
                $type = 'string';
                break;
            case FFCST::TYPE_BOOLEAN:
                $type = 'bool';
                break;
        }
        return $type;
    }