Base::serialize PHP 메소드

    function serialize($arg)
    {
        switch (strtolower($this->hive['SERIALIZER'])) {
            case 'igbinary':
                return igbinary_serialize($arg);
            default:
                return serialize($arg);
        }
    }

 public function serialize(\fpoirotte\Pssht\Wire\Encoder $encoder)
 {
     $encoder->encodeString($this->type);
     parent::serialize($encoder);
     $encoder->encodeUint32($this->initialWindowSize);
     $encoder->encodeUint32($this->maximumPacketSize);
     return $this;
 }