php读取xml属性

$dom=new DOMDocument(1.0);
$dom->load(data.xml);

$items=$dom->getElementsByTagName(video);

echo $items-> item(0)->getattribute("img");

foreach($items as $a){
    foreach($a->attributesas$b){
        echo $b->nodeName;
        echo ":";
        echo $b->nodeValue;
        echo "
";
        }
    echo "--------------------

";
    }

?>

 

data.xml