$url .= $this->server . ':' . $this->port . '/' . $this->path;
curl_setopt($curl, CURLOPT_URL, $url);
+ // this tentatively allows to tune mainstream xmlrpc php lib
+ // so as to achieve the same behaviour as with our patched lib
+ $xmlrpc_null_extension = TRUE;
// Marshal the XML-RPC request as a POST variable. <nil/> is an
// extension to the XML-RPC spec that is supported in our custom
// version of xmlrpc.so via the 'allow_null' output_encoding key.