How to open php file

Steps to open a php file: 1. Select a text editor; 2. Create a new file in the selected text editor and save it as a .php file; 3. Write PHP code in the created PHP file; 4. To run PHP files on your local computer, you need to set up a server environment; 5. After installing the server environment, you need to put the PHP files into the server directory; 6. Once you put the PHP files into the server directory, you can browse server to run it.