I'm dealing with a similar problem.
I have a new laravel project, completely empty for now, and the php extension is making it impossible to work.
Even after a few hours, it seems to keep scanning the project and never ends.
My VSCode was recently freshly installed, keeps saying 'processing ... ' and never finish. And goes until a certain number of 'files' processed and stays there.
And the devsense.php.ls process is using a lot of cpu and memory:
I don't know what else to do, I can't work like this ...