Swift_Signers_SMimeSigner::messageStreamToSignedByteStream PHP Method

    protected function messageStreamToSignedByteStream(Swift_FileStream $outputStream, Swift_InputByteStream $inputStream)
    {
        $signedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
        $args = array($outputStream->getPath(), $signedMessageStream->getPath(), $this->signCertificate, $this->signPrivateKey, array(), $this->signOptions);
        if (null !== $this->extraCerts) {
            $args[] = $this->extraCerts;
        }
        if (!call_user_func_array('openssl_pkcs7_sign', $args)) {
            throw new Swift_IoException(sprintf('Failed to sign S/Mime message. Error: "%s".', openssl_error_string()));
        }
        $this->copyFromOpenSSLOutput($signedMessageStream, $inputStream);
    }