php使用simplexml来解析xml

$xml = <<

    
        //m.sbmmt.com/;/loc>
        2013-06-13 01:20:01
        always
        1.0
    
    
        //m.sbmmt.com/;/loc>
        2013-06-13 01:20:01
        always
        0.8
    

XML;

$simple =  simplexml_load_string($xml);
// $url = 'http://www.php230.com/baidu_sitemap1.xml';
// $simple = simplexml_load_file($url);

print_r($simple);

SimpleXMLElement Object
(
    [url] => Array
        (
            [0] => SimpleXMLElement Object
                (
                    [loc] => //m.sbmmt.com/
                    [lastmod] => 2013-06-13 01:20:01
                    [changefreq] => always
                    [priority] => 1.0
                )
            [1] => SimpleXMLElement Object
                (
                    [loc] => //m.sbmmt.com/
                    [lastmod] => 2013-06-13 01:20:01
                    [changefreq] => always
                    [priority] => 0.8
                )
        )
)

foreach ($simple->url as $val){
    print $val->loc;
}