OTPHP\TOTP::getProvisioningUri PHP Метод

    public function getProvisioningUri()
    {
        $params = [];
        if (30 !== $this->getPeriod()) {
            $params = ['period' => $this->getPeriod()];
        }
        return $this->generateURI('totp', $params);
    }

 /**
  * Get the QR Code URL for the otp instance
  * @param TOTP|null $totp
  * @return string
  */
 public function getQRCodeGoogleUrl(TOTP $totp = null)
 {
     $base_url = 'https://chart.googleapis.com/chart?chs=200x200&chld=M|0&cht=qr&chl=';
     if ($totp !== null) {
         return $base_url . urlencode($totp->getProvisioningUri());
     } else {
         return $base_url . urlencode($this->totp->getProvisioningUri());
     }
 }