How to modify xml content in php

How to modify xml content in php: first create a DOMDocument object; then load the xml file; and finally update the xml document through the "$xmldoc->save("class.xml");" method.

The operating environment of this tutorial: Windows 7 system, PHP version 5.6. This method is suitable for all brands of computers.

Recommended: "PHP Video Tutorial"

How to modify the content of xml document through php:

The specific implementation method is as follows ：

The code is as follows:

<?php
//1、创建一个DOMDocument对象。该对象就表示 xml文件
$xmldoc = new DOMDocument();
//2、加载xml文件(指定要解析哪个xml文件，此时dom树节点就会加载到内存中)
$xmldoc->load("class.xml");
//3、更新一条学生student信息记录，更新她的年龄
//(1)找到该学生
$student = $xmldoc->getElementsByTagName("student");
$stu1 = $student->item(0);//第一个学生
$stu1_age = $stu1->getElementsByTagName("age")->item(0);//查到她的年龄
$stu1_age->nodeValue = 30;
//4、更新 xml 文档
$xmldoc->save("class.xml");
echo "更新成功";
?>

The above is the detailed content of How to modify xml content in php. For more information, please follow other related articles on the PHP Chinese website!