Simple implementation of PHP reading and outputting XML file data

<?xml version="1.0" encoding="UTF-8"?>
<node>
  <student>
    <name>张明</name>
    <email>1234567890@qq.com</email>
    <username>一样菜</username>
    <code>985931</code>
  </student>
  <student>
    <name>王红</name>
    <email>2345678901@qq.com</email>
    <username>冰封</username>
    <code>5625362</code>
  </student>
</node>

<?php
  $file = &#39;config/config.xml&#39;;
  $xml_array=simplexml_load_file($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: 1234567890@qq.com, 一样菜, 985931
王红: 2345678901@qq.com, 冰封, 5625362