Emarref\Jwt\Verification\ExpirationVerifier::getDateTimeFromClaim PHP Метод

    private function getDateTimeFromClaim(Claim\Expiration $expirationClaim)
    {
        if (!is_long($expirationClaim->getValue())) {
            throw new \InvalidArgumentException(sprintf('Invalid expiration timestamp "%s"', $expirationClaim->getValue()));
        }
        $expiration = new \DateTime();
        $expiration->setTimestamp($expirationClaim->getValue());
        return $expiration;
    }