php_http_message_t *req_copy = php_http_message_copy(request, NULL);
php_http_message_t *res_copy = php_http_message_copy(response, NULL);
php_http_message_t *zipped = php_http_message_zip(res_copy, req_copy);
php_http_message_t *req_copy = php_http_message_copy(request, NULL);
php_http_message_t *res_copy = php_http_message_copy(response, NULL);
php_http_message_t *zipped = php_http_message_zip(res_copy, req_copy);