PHP-简单的XML属性问题

foreach($item->Image->attributes()->source as $key => $value)
{
    echo $value;
}

$item

foreach($xml_content->Section->Item as $item {}

object(SimpleXMLElement)#36 (4) {
    [\"Text\"]=>
        string(15) \"Vinbergs socken\"
    [\"Description\"]=>
        string(73) \"Vinbergs socken ingick i Faurås härad och ligger i Falkenbergs kommun.
    \"
    [\"Url\"]=>
        string(44) \"http://sv.wikipedia.org/wiki/Vinbergs_socken\"
    [\"Image\"]=>
         object(SimpleXMLElement)#38 (1) {
             [\"@attributes\"]=>
                  array(3) {
                      [\"source\"]=>
                            string(113) \"http://upload.wikimedia.org/wikipedia/commons/thumb/2/25/Faur%C3%A5s_Vinberg.svg/50px-Faur%C3%A5s_Vinberg.svg.png\"
                      [\"width\"]=>
                          string(2) \"50\"
                      [\"height\"]=>
                            string(2) \"41\"
                      }
             }
     }