XMLファイルを読み込むPHPの概要

<pre class="code"><?xml version="1.0" encoding="UTF-8"?>
<books>
    <book>
        <author>phpernote.com</author>
        <title>PHP And MySQL Development</title>
        <publisher>火星出版社</publisher>
    </book>
    <book>
        <author>taobao.com</author>
        <title>如何淘宝</title>
        <publisher>淘宝出版社</publisher>
    </book>
</books>

<pre class="code"><?php
header('Content-type:text/html;charset=utf-8');
$books=simplexml_load_file('books.xml');//将XML中的数据,读取到数组对象中
foreach($books as $v){
	echo $v->author."-".$v->title."-".$v->publisher."<br>";
}

<pre class="code"><?php
header('Content-type:text/html;charset=utf-8');
$doc=new DOMDocument();
$doc->load('books.xml');//读取xml文件
$book=$doc->getElementsByTagName('book');//取得book标签的对象数组
echo $book->length,'<br />';
foreach($book as $v){
	$author=$v->getElementsByTagName('author');//取得author的标签的对象数组
	$author=$author->item(0)->nodeValue;//取得node中的值
	$title=$v->getElementsByTagName('title');
	$title=$title->item(0)->nodeValue;
	$publisher=$v->getElementsByTagName('publisher');
	$publisher=$publisher->item(0)->nodeValue;
	echo "$author - $title - $publisher <br />";
}