There're quite a lot of functions, and so, does my theme, it all gets a little cluttered even with all the comments. Additionally, every time the theme is updated, the new functions.php file would replace the current one.
So, it becomes a pain.
Hence, I thought, would it be possible to have a 2nd/3rd functions.php file? Using PHP include or require function. That way, I can categorise the functions and they won't be affected on theme update.
<?php include 'functions_1.php' ?>