New comment by the-eater on void-packages repository

https://github.com/void-linux/void-packages/issues/31678#issuecomment-869848391

Comment:
:heavy_check_mark: Running at most one php at same time?
:heavy_multiplication_x: Running both at same time with same config file (looks limiting, as there are include_path and extension_dir there)?
:heavy_check_mark: Running both at same time with different config files?

running both at the same time with same config file would cause issues

There's case you want to run php7 and php8 alongside when e.g. developing for a platform that hasn't migrated yet to php8