how to run php file in terminal code example

Example 1: run a server php terminal

$ cd ~/public_html
$ php -S localhost:8000

Example 2: execute php file from command line

php -f /path/to/your/file.php

Example 3: how to execute a php script from the command line?

To execute a php script, use the PHP Command Line interface(CLI) and specify the file name of the script in the following way:
php script.php