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Date: Wed, 23 Jul 2025 15:00:49 +0200
To: Nicolas Grekas <nicolas.grekas+php@gmail.com>
Cc: "Gina P. Banyard" <internals@gpb.moe>, PHP internals
 <internals@lists.php.net>
Subject: Re: [PHP-DEV] [RFC] Warnings for PHP 8.5
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From: tim@bastelstu.be (=?UTF-8?Q?Tim_D=C3=BCsterhus?=)

Hi

Am 2025-07-23 13:30, schrieb Nicolas Grekas:
>> 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] = $array[$key] ?? null) { /*...*/ }
>> 
>> 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.
>> 
>> 
>> If you want to provide default values, then surely:
>> 
>> if ([$a, $b] = $array[$key] ?? [null, null])
>> 
>> makes more sense, especially as this allows you to choice different
>> defaults for $a and $b.
>> 
> 
> 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.

It seems appropriate to mention the previous (declined) “Destructuring 
Coalesce” RFC at this point: 
https://wiki.php.net/rfc/destructuring_coalesce. Perhaps it might make 
sense to revisit that one?

Best regards
Tim Düsterhus