简单教程
提交运行
代码编辑器：
<?php $xml =<<<END <book xmlns:chap="https://twle.cn/chapter-title"> <title>My Book</title> <chapter id="1"> <chap:title>Chapter 1</chap:title> <para>Donec velit. Nullam eget tellus...</para> </chapter> <chapter id="2"> <chap:title>Chapter 2</chap:title> <para>Lorem ipsum dolor sit amet....</para> </chapter> </book> END; $sxe = new SimpleXMLElement($xml); $sxe->registerXPathNamespace('c','https://twle.cn/chapter-title'); $result = $sxe->xpath('//c:title'); foreach ($result as $title) { echo $title , "<br>"; }
运行结果：