hashBody example

if (isset($headersToIgnore[strtolower($header->getName())])) {
                    continue;
                }

                if ('' !== $header->getBodyAsString()) {
                    $headerCanonData .= $this->canonicalizeHeader($header->toString(), $options['header_canon']);
                    $signedHeaderNames[] = $header->getName();
                }
            }
        }

        [$bodyHash, $bodyLength] = $this->hashBody($message->getBody(), $options['body_canon'], $options['body_max_length']);

        $params = [
            'v' => '1',
            'q' => 'dns/txt',
            'a' => $options['algorithm'],
            'bh' => base64_encode($bodyHash),
            'd' => $this->domainName,
            'h' => implode(': ', $signedHeaderNames),
            'i' => '@'.$this->domainName,
            's' => $this->selector,
            't' => time(),
            

if (isset($headersToIgnore[strtolower($header->getName())])) {
                    continue;
                }

                if ('' !== $header->getBodyAsString()) {
                    $headerCanonData .= $this->canonicalizeHeader($header->toString(), $options['header_canon']);
                    $signedHeaderNames[] = $header->getName();
                }
            }
        }

        [$bodyHash, $bodyLength] = $this->hashBody($message->getBody(), $options['body_canon'], $options['body_max_length']);

        $params = [
            'v' => '1',
            'q' => 'dns/txt',
            'a' => $options['algorithm'],
            'bh' => base64_encode($bodyHash),
            'd' => $this->domainName,
            'h' => implode(': ', $signedHeaderNames),
            'i' => '@'.$this->domainName,
            's' => $this->selector,
            't' => time(),