Analogic\ACME\Client::getLastNonce PHP Метод

    public function getLastNonce()
    {
        if (preg_match('~Replay\\-Nonce: (.+)~i', $this->lastHeader, $matches)) {
            return trim($matches[1]);
        }
        $this->curl('GET', '/directory');
        return $this->getLastNonce();
    }