1 <?php
2 $doc = new DOMDocument('1.0', 'utf-8');
3 $doc->load('./articles.xml');
4
5 $xpath = new DOMXPath($doc);
6 /*
7 * $xpath = domxml_open_file("articles.xml");
8 */
9 $arts = $xpath->query("/articles/article/title");
10
11 foreach ($arts as $art)
12 {
13 echo $art->nodeValue." ";
14 }
15 ?>
其中，articles.xml的内容如下：
1 <?xml version="1.0" encoding="UTF-8"?>
2 <articles>
3 <article id="1">
4 <tags>
5 <tag>php</tag>
6 <tag>xpath</tag>
7 </tags>
8 <title>PHP XPath Example</title>
9 </article>
10 <article id="2">
11 <tags>
12 <tag>dom</tag>
13 <tag>dodocument</tag>
14 </tags>
15 <title>DomDocument Tutorial</title>
16 </article>
17 </articles>
