forward_static_call_array can be used outside of a class too

[kkmuffme]

https://www.php.net/manual/en/function.forward-static-call.php
https://www.php.net/manual/en/function.forward-static-call-array.php

This function must be called within a method context, it can't be used outside a class.

This isn't true for forward_static_call_array which can be used outside of a class. I'm not sure whether this is a bug/feature of PHP itself, but at least the docs aren't correct for how it works atm.
e.g. https://3v4l.org/Cb8AZ