Canada Post xmltoquote

function _xmlToQuote(){
        require_once(dirname(__FILE__) . DS . 'include.php');

        $startTag = 'eparcel/ratesAndServicesResponse/';
        require_once(dirname(__FILE__) . DS . 'xmlparser.php');
        $xmlParser = new xmlparser();
        $array = $xmlParser -> GetXMLTree($this -> xml_response);

        if (!empty($array['EPARCEL'][0]['ERROR'])) {
            $this -> error = true;
            $this -> error_msg = $array['EPARCEL'][0]['ERROR'][0]['STATUSMESSAGE'][0]['VALUE'];
        } else {
            $this -> error = false;
            $xd = new MiniXMLDoc($this -> xml_response);
            $startTag = 'eparcel/ratesAndServicesResponse/';
            $this -> statusCode = fetchValue($xd, $startTag . 'statusCode');
            $this -> statusMessage = fetchValue($xd, $startTag . 'statusMessage');
            $this -> shipping_comment = fetchValue($xd, $startTag . 'comment') ;
            $shipping_fields = array("name", "rate", "shippingDate", "deliveryDate", "deliveryDayOfWeek",  "nextDayAM", "packingID");
            $this -> shipping_methods = fetchArray($xd, $startTag, 'product', $shipping_fields);
        }

        /*
        $xd = new MiniXMLDoc($this -> xml_response);
        $this -> statusCode = fetchValue($xd, $startTag . 'statusCode');
        $this -> statusMessage = fetchValue($xd, $startTag . 'statusMessage');
        $this -> error = ('OK' == $this -> statusCode);
        $this -> error_msg = $this -> error ? $this -> statusMessage : "";

        if (!$this -> error) {
            $this -> shipping_comment = fetchValue($xd, $startTag . 'comment') ;
            $shipping_fields = array("name", "rate", "shippingDate", "deliveryDate", "deliveryDayOfWeek",  "nextDayAM", "packingID");
            $this -> shipping_methods = fetchArray($xd, $startTag, 'product', $shipping_fields);
        }
        */
    }