问访问单个XML DOM文档节点

EN

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
    <channel>
        <title>Markets</title>
        <description/>
        <link>http://www.website.com</link>
        <language>en-us</language>
        <copyright>XML Output Copyright</copyright>
        <ttl>15</ttl>
        <pubDate>Tue, 16 Nov 2010 09:38:00 +0000</pubDate>
        <webMaster>admin@website.com</webMaster>
        <image>
            <title>title</title>
            <url>http://www.website.com/images/xmllogo.gif</url>
            <link>http://www.website.com</link>
            <width>144</width>
            <height>16</height>
        </image>


            <item>
                <title>title</title>
                <description>the description goes here
                </description>
                <enclosure url="http://www.website.com/images/image.png" type="image/png"/>

            </item>

    </channel>
</rss>

<?php  

    $feed = new DOMDocument();
    $feed->load('http://www.website.com/directory/directory/cz.c');
    $nodeValue = $feed->getElementsByTagName('description')->item(0)->nodeValue;
    $feed->save("feed.xml");

?>