答案是设置本地服务器、使用PHP内置服务器或部署到网络主机。首先安装XAMPP并启动Apache，将PHP文件放入htdocs目录，通过http://localhost/your-file.php访问；其次可用PHP内置服务器，在命令行运行php -S localhost:8000后访问http://localhost:8000；最后可将文件上传至支持PHP的主机的public_html目录，通过域名加路径在线访问。
To run a PHP file and access it through a website, you need to set up a proper environment where the PHP code can be executed by a web server. Here are the methods to achieve this:
The operating environment of this tutorial: Dell XPS 13, Windows 11
1. Set Up a Local Development Server Using XAMPP
This method involves installing a local server package that includes Apache, MySQL, and PHP. XAMPP is one of the most popular tools for running PHP files locally.
- Download XAMPP from the official Apache Friends website and install it on your system.
- Launch the XAMPP Control Panel and start the Apache module.
- Place your PHP file inside the htdocs folder located in the XAMPP installation directory (e.g., C:\xampp\htdocs\).
- Open a web browser and navigate to http://localhost/your-file.php, replacing "your-file.php" with the actual filename.
2. Use Built-in PHP Development Server
PHP comes with a built-in development server that allows you to run PHP scripts without installing a full web server stack. This is ideal for testing and development purposes.
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- Open a command-line interface (CLI) such as Command Prompt or PowerShell.
- Navigate to the directory containing your PHP file using the cd command.
- Run the command php -S localhost:8000 to start the server on port 8000.
- Access your file by visiting http://localhost:8000 in your browser.
3. Deploy PHP File on a Web Hosting Service
If you want your PHP website to be accessible online, upload your PHP files to a web hosting provider that supports PHP and MySQL.
- Choose a hosting service that supports PHP (most shared hosts do).
- Use an FTP client like FileZilla or the host’s file manager to upload your PHP file to the public_html or www directory.
- Ensure file permissions are correctly set (usually 644 for PHP files).
- Visit your domain followed by the filename, such as https://yourdomain.com/your-file.php.
