Bug Description

There are errors in the code.
e.g. webp_uploads_update_image_onchange: Callback expects 5 parameters, $accepted_args is set to 7.

Steps to reproduce

1. composer require --dev szepeviktor/phpstan-wordpress
2. vendor/bin/phpstan analyse -c vendor/szepeviktor/phpstan-wordpress/extension.neon admin/ modules/ server-timing/ *.php --level=0 then raise level by one
3. Benefit!

Please consider using PHPStan.
Thank you!