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Date: Sat, 14 Aug 2021 18:00:21 +0200
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To: Nikita Popov <nikita.ppv@gmail.com>
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Subject: Re: [PHP-DEV] Unwrap reference after foreach
From: claude.pache@gmail.com (Claude Pache)

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> Le 13 ao=C3=BBt 2021 =C3=A0 15:28, Nikita Popov <nikita.ppv@gmail.com> =
a =C3=A9crit :
>=20
> Hi internals,
>=20
> I'd like to address a common footgun when using foreach by reference:
> https://wiki.php.net/rfc/foreach_unwrap_ref
>=20
> 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...
>=20
> Regards,
> Nikita

A case that should be mentioned in the RFC is destructuring:

```php
foreach ($foo as [ $x, &$y ]) { /* .... */ }
```
https://3v4l.org/A5Vi7 <https://3v4l.org/A5Vi7>

I assume that the reference in `$y` would be unwrapped after the loop?

=E2=80=94Claude=

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