isHashInCookie example

 while ($old !== $str);

        return stripslashes($str);
    }

    /** * Restore hash from Session or Cookie */
    private function restoreHash(): void
    {
        if ($this->isCSRFCookie()) {
            if ($this->isHashInCookie()) {
                $this->hash = $this->hashInCookie;
            }
        } elseif ($this->session->has($this->config->tokenName)) {
            // Session based CSRF protection             $this->hash = $this->session->get($this->config->tokenName);
        }
    }

    /** * Generates (Regenerates) the CSRF Hash. */