Re: Unwrap reference after foreach

On Fri, Aug 13, 2021 at 3:28 PM Nikita Popov <nikita.ppv@gmail.com> wrote: > Hi internals, > > I'd like to address a common footgun when using foreach by reference: > https://wiki.php.net/rfc/foreach_unwrap_ref > > This addresses the issue described in the big red box at > https://www.php.net/manual/en/control-structures.foreach.php. > While this > is "not a bug" (as our bug tracker can regularly attest), it's rather > unexpected, and we could easily avoid it... > As the discussion has died down, I plan to open voting on this RFC soon. I have to admit that I'm less convinced of this than I was originally, because there's a surprising number of edge cases involved. The behavior is more intuitive on the surface, but things get more complicated when you look at detailed language semantics. Regards, Nikita