code: public static function dumpResponse(ResponseInterface $response)
      {
          $statusLine = sprintf(
              "HTTP/%s %d %s",
              $response->getProtocolVersion(),
              $response->getStatusCode(),
              $response->getReasonPhrase()
          );
  
          header($statusLine, true, $response->getStatusCode());
  
          foreach ($response->getHeaders() as $name => $values) {
              foreach ($values as $value) {
                  header(sprintf('%s: %s', $name, $value), false);
              }
          }
  
          $body = $response->getBody();
          while(!$body->eof()) {
              echo $body->read(1024);
          }
      }
docs: Dumps a PSR-7 ResponseInterface to the SAPI.
  @param ResponseInterface $response