Answers for "how to run php file from terminal"

php run command line

shell_exec('ls');
// or
exec('ls');

cmd run php file

// terminal run php file
// First run "php" in the terminal, in the path directory
php
// If php works there. Then :
php path_to_file/file_name.php

//This will run your php and print stuff to your console in plain text.
//It's useful for a range of testing and data maniplation purposes. 
//And has the full php cammand line. So potential is up to your imagination.

php run command terminal

php -r "Print \"Hello, World!\";"

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