> I may be a bit late to this party, but will the promotion to error
> exception of illegal offsets also happen for using resources as array
> keys? These currently produce a notice, and are then casted to an
> integer: https://3v4l.org/cQ8hf
> Or will the behaviour of that remain the same?
Only objects and arrays will throw; resources are promoted from E_NOTICE
Christoph M. Becker