gggeek / phpxmlrpc

        $len = strlen($data);

        // we test for empty documents here to save on resource allocation and simply the chunked-parsing loop below

        if ($len == 0) {

            $this->_xh['isf'] = 3;

            $this->_xh['isf_reason'] = 'XML error 5: empty document';

            return;

        }

        $parser = xml_parser_create();

                    ($name == 'METHODRESPONSE' && ($accept & self::ACCEPT_RESPONSE)) ||

                    ($name == 'VALUE' && ($accept & self::ACCEPT_VALUE))) {

                    $this->_xh['rt'] = strtolower($name);

                } else {

                    $this->_xh['isf'] = 2;

                    $this->_xh['isf_reason'] = 'missing top level xmlrpc element. Found: ' . $name;

                    return;

                }

            } else {

                // not top level element: see if parent is OK

                $parent = end($this->_xh['stack']);