PHP读取XML文件数据

<?xml version="1.0" encoding="UTF-8"?>
<node>
<student>
<name>张明</name>
<email>1187816874@qq.com</email>
<username>一样菜</username>
<code>985931</code>
</student>

<student>
<name>王红</name>
<email>2545125274@qq.com</email>
<username>冰封</username>
<code>5625362</code>
</student>
</node>

<?php
$file = 'config/config.xml';
$xml_array=simplexml_load_file($file); //将XML中的数据,读取到数组对象中
foreach($xml_array as $tmp){
echo $tmp->name.":  ".$tmp->email.", ".$tmp->username.", ".$tmp->code."<br>";
}
?>

张明: 1187816874@qq.com, 一样菜, 985931
王红: 2545125274@qq.com, 冰封, 5625362