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Date: Fri, 13 Aug 2021 11:49:02 -0300
Message-ID: <CAAwFBqqRoDnwD8eUk0LP4JKkV1eCRKET8ADRFydrQK9pRzpvYA@mail.gmail.com>
To: Claude Pache <claude.pache@gmail.com>
Cc: Nikita Popov <nikita.ppv@gmail.com>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Unwrap reference after foreach
From: flaviohbatista@gmail.com (=?UTF-8?Q?Fl=C3=A1vio_Heleno?=)

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On Fri, Aug 13, 2021 at 11:20 AM Claude Pache <claude.pache@gmail.com>
wrote:

>
> > Le 13 ao=C3=BBt 2021 =C3=A0 15:28, Nikita Popov <nikita.ppv@gmail.com> =
a =C3=A9crit :
> >
> > 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...
> >
> > Regards,
> > Nikita
>
>
> Hi,
>
> I don=E2=80=99t like the split of semantics between simple and complex va=
riables.
> It makes the language more inconsistent, therefore more difficult to reas=
on
> about.
>
> On the other hand, using a complex variable as reference in that context
> should be very rare outside obfuscation code contests.
>
> Therefore, I suggest to deprecate (and later remove) the ability to use o=
f
> a complex variable as reference in that context. That would solve the
> inconsistency issue.
>
> =E2=80=94Claude
>
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>

Hi,

I know I don't have an actual vote (voting karma it is), but it's a +1 from
me as well.

I like Trevor's suggestion of scoping variables within loops and this would
be a first step towards it.

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