利用ＤＯＭ读取XML文件

books.xml:

<?xml version="1.0" encoding="utf-8"?>
<book>
<title>
going by title
</title>
<t2>
going by t2
</t2>
</book>

89.php:

<?php
$doc=new DOMDocument();
$doc->load('books.xml');
$title=$doc->getElementsByTagName('book');
echo $title->item(0)->nodeValue;
?>