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Date: Mon, 28 Jul 2025 14:21:01 +0000
To: =?utf-8?Q?Tim_D=C3=BCsterhus?= <tim@bastelstu.be>
Cc: Nicolas Grekas <nicolas.grekas+php@gmail.com>, PHP internals <internals@lists.php.net>
Subject: Re: [PHP-DEV] [RFC] Warnings for PHP 8.5
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From: internals@gpb.moe ("Gina P. Banyard")

On Wednesday, 23 July 2025 at 14:03, Tim D=C3=BCsterhus <tim@bastelstu.be> =
wrote:

> Hi
>=20
> Am 2025-07-23 13:30, schrieb Nicolas Grekas:
>=20
> > > About destructuring non-array values, null is a very common case that
> > > allows writing nice readable code.
> > > Here is a dummy example:
> > > if ([$a, $b] =3D $array[$key] ?? null) { /.../ }
> > >=20
> > > Turning this into a warning will have a significant impact for sure.
> > > Even
> > > a deprecation would just make the language a bit less pleasant to use
> > > without any real benefit, unless I missed any other rationale.
> > >=20
> > > If you want to provide default values, then surely:
> > >=20
> > > if ([$a, $b] =3D $array[$key] ?? [null, null])
> > >=20
> > > makes more sense, especially as this allows you to choice different
> > > defaults for $a and $b.
> >=20
> > That's broken, the "if" will always be truthy using this style.
> > There's nothing wrong with the current code. It doesn't need to be
> > deprecated.
>=20
>=20
> It seems appropriate to mention the previous (declined) =E2=80=9CDestruct=
uring
> Coalesce=E2=80=9D RFC at this point:
> https://wiki.php.net/rfc/destructuring_coalesce. Perhaps it might make
> sense to revisit that one?
>=20
> Best regards
> Tim D=C3=BCsterhus

I've dropped warning null from the proposal, and mentioned the declined RFC=
.

Best regards,

Gina P. Banyard