I need a way to disable the save process completely using an
action/filter. Something that works (for e.g.:) in the
So far I only tried to
return '';, which gives me tons of errors for missing values for post object parts in the admin UI.
This should happen "silently", so no errors get thrown when
php_error/WP_DEBUG and such are set to
Btw: I'm not asking for how to disable the autosave feature.