Namshi\JOSE\Signer\OpenSSL\ECDSA::__construct PHP Method

    public function __construct()
    {
        if (version_compare(PHP_VERSION, '7.0.0-dev') >= 0) {
            throw new \InvalidArgumentException("phpseclib 1.0.0(LTS), even the latest 2.0.0, doesn't support PHP7 yet");
        }
    }