Config.php ((better)) -

: If possible, place your config file one directory higher than your public_html or www folder. This makes it inaccessible via a URL.

Beyond basic settings, you can use config.php to optimize how your server handles resources. Memory Management config.php

: The root path of the site to prevent broken links. Example: A Basic Configuration Script : If possible, place your config file one

You can write logic within the file to automatically change settings based on whether you are working locally or on a live server: : If possible