What is the best practice for disabling functions using disable_functions in the php.ini file?

Disabling functions using the `disable_functions` directive in the php.ini file is a security measure to prevent certain functions from being executed in PHP scripts. To disable a function, simply list its name in the `disable_functions` directive in the php.ini file. It is important to carefully select which functions to disable, as disabling essential functions can break your PHP application.

disable_functions = exec, shell_exec, system