Swift_Message::__clone PHP Method

    public function __clone()
    {
        parent::__clone();
        foreach ($this->bodySigners as $key => $bodySigner) {
            $this->bodySigners[$key] = clone $bodySigner;
        }
        foreach ($this->headerSigners as $key => $headerSigner) {
            $this->headerSigners[$key] = clone $headerSigner;
        }
    }