hjælp til at parse xml

Kode 

$doc = new DOMDocument();
$doc->preserveWhiteSpace = FALSE;
$doc->load('http://www.betterworld.com/service.aspx?ItemId=0123456789');
$list = $doc->getElementsByTagName('Item');
foreach($list as $detail) {
    $temp = array();
    $node = $detail->firstChild;
    do {
    if($node->nodeName == "ItemId") {
            $temp['itemid'] = $node->nodeValue;
        } 
	else if($node->ItemAttributes->nodeName == "Title") {
            $temp['title'] = $node->nodeValue;
        } 
        $node = $node->nextSibling;
    } while($node != NULL);
    $output[] = $temp;
}
foreach ($output as $item) {
echo $item['itemid'];
echo $item['title'];
}