@ihorvorotnov Well, for some reason this ain’t working to me as you described.
Like muplugins_loaded hook is never fired at all, I place a wrong path inside and no error.
I also tried to ‘update_option(‘dummy’, 123)’, but that ain’t added to database either.
It’s on my localhost and I have a WPMS installed, but can’t see a reason why this wouldn’t work.
Any ideas?