<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<?php
echo "aha";
?>
<body>
</body>
</html>
好好学点技能，老了或许不用干保洁的活、清晨扫大街。。。
html files do not parse php files, php files can parse html
First check whether your file name suffix is .php
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
html files do not parse php files, php files can parse html
First check whether your file name suffix is .php