code: public function put($url, $parameters = false, $content_type = false)
      {
          if (! is_object($url)) {
              $url = new SimpleUrl($url);
          }
  
          return $this->load($url, new SimplePutEncoding($parameters, $content_type));
      }
docs: Fetches the page content with a PUT request.
  
  @param string/SimpleUrl $url                Target to fetch as string.
  @param hash/SimpleFormEncoding $parameters  PUT request body.
  @param string $content_type                 MIME Content-Type of the request body
  
  @return string                              Content of page.