正确配置服务器后，将PHP文件放入指定目录（如/var/www/html或C:/xampp/htdocs），启动Apache等Web服务器，通过http://localhost/filename.php访问，确保PHP已安装且服务器支持PHP模块，以正常执行PHP代码。
If you are trying to access a PHP file through a web browser, you need to ensure the server is properly configured. Here are the steps to do it correctly:
The operating environment of this tutorial: MacBook Pro, macOS Sonoma
1. Place the PHP File in the Correct Server Directory
Web servers only process PHP files when they are located in specific directories designated for web content. Placing the file in the correct folder ensures that the server can interpret and execute the PHP code.
- For Apache on macOS or Linux, move your PHP file to the /var/www/html directory or the ~/Sites folder if using built-in server features.
- On Windows with XAMPP, place the file in C:/xampp/htdocs.
- Ensure the file has a .php extension, such as index.php.
2. Start the Web Server
PHP is processed by a web server like Apache or Nginx. Without an active server, opening the file directly in a browser will not execute the PHP code.
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- If using XAMPP, open the control panel and start the Apache module.
- On macOS, enable the built-in Apache server by running sudo apachectl start in Terminal.
- Verify the server is running by visiting http://localhost in your browser.
3. Access the PHP File via Browser
After placing the file in the correct directory and starting the server, use the proper URL format to access the file through HTTP.
- Type http://localhost/filename.php in the browser’s address bar.
- If the file is in a subfolder, include the path, such as http://localhost/myproject/test.php.
- Do not open the file by double-clicking it or using a file:// URL, as this bypasses the server and won’t execute PHP.
4. Check PHP Installation and Configuration
If the PHP code is not executing and the browser displays raw PHP code, the server may not be configured to handle PHP files.
- Ensure PHP is installed by running php -v in the terminal or command prompt.
- Confirm that the web server (e.g., Apache) has the PHP module enabled.
- On Apache, verify that the configuration includes lines like LoadModule php_module modules/libphp.so and associates .php files with the handler.
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