Swift_Mime_SimpleMimeEntity::getBoundary PHP 메소드

    public function getBoundary()
    {
        if (!isset($this->boundary)) {
            $this->boundary = '_=_swift_v4_' . time() . '_' . md5(getmypid() . mt_rand() . uniqid('', true)) . '_=_';
        }
        return $this->boundary;
    }