php开发环境与工具
vscode安装与配置
phpstudy安装与配置
markdown语法
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<!---->
</body>
</html>