xpath finds the value of xml nodes and node attributes

xpath查找xml节点和节点属性的值

$xml = "

    world

";

function get_data_from_xml($res_data,$node)
{
    $xml = simplexml_load_string($res_data);
    $result = $xml->xpath($node);

    while(list( , $node) = each($result))
    {
        return $node;
    }
}

// 'hello world';

echo get_data_from_xml($xml, '/node/title/@src[.]'), ' ' , get_data_from_xml($xml, '/node/title');