<?php
header ( 'content-type:text/html;charset=utf-8' );
$x = simplexml_load_file ( 'book.xml' );
$book = $x->xpath("//book[@id='103']");
echo $book[0]->name;
echo $book[0]->price;
echo '<pre>';
print_r($book);
//通过xpath查询出所有names 书籍名
$names = $x->xpath('//book/name');
echo '<pre>';
foreach($names as $k=>$v){
echo $v.'<br/>';
}
//print_r($names);
/////////////////////////////////////xml文件//////////////
<?xml version="1.0" encoding="UTF-8"?>
<books>
<book id="100">
<name>PHP技术开发</name>
<price>80</price>
</book>
<book id="101">
<name>Oracle技术</name>
<price>120</price>
</book>
<book id="102">
<name>MySQL数据库技术</name>
<price>89</price>
</book>
<book id="103">
<name>Java项目实例</name>
<price>90</price>
</book>
<book id="104">
<name>Ajax技术开发</name>
<price>50</price>
</book>
</books>