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To: Niels Dossche <dossche.niels@gmail.com>, "internals@lists.php.net"
	<internals@lists.php.net>
Subject: Re: [PHP-DEV] [RFC] Deprecations for PHP 8.5
Thread-Topic: [PHP-DEV] [RFC] Deprecations for PHP 8.5
Thread-Index: AQHb64u2H5zq3sHt70yWwR4bMWJ8NLQhi/IAgAVKQICAABThgIAAJBug
Date: Mon, 7 Jul 2025 19:19:04 +0000
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From: theodorejb@outlook.com (Theodore Brown)

On Mon, July 7, 2025 at 11:03 Niels Dossche wrote:=0A=
=0A=
>>> There are a few things I will vote no for:=0A=
>>>=0A=
>>> [...]=0A=
>>>=0A=
>>> * Deprecate using values of type null and bool as array offsets and whe=
n calling array_key_exists()=0A=
>>> Deprecating this would make the language more inconsistent by allowing =
this on array offsets but not on the function.=0A=
>>=0A=
>> I am slightly confused by what you mean by "allowing this on array offse=
ts but not on the function".=0A=
>> However, null is not accepted by functions that accept scalar types, and=
 bool would neither if my other RFC is approved.=0A=
>> Moreover, a type declaration of int|string accepted Stringable objects, =
however array offsets do not accept objects at all.=0A=
>=0A=
> I'll clarify:=0A=
> You're allowed to do $array[null], $array[3.14], etc... and the key will =
coerce.=0A=
> I expect array_key_exists() to behave the same way as keys on array acces=
ses do.=0A=
=0A=
I'm confused what you mean as well. The deprecation is for both array offse=
ts and when calling array_key_exists().=0A=
So $array[null] should output a deprecation just like the function, and the=
re isn't any inconsistency.=0A=
=0A=
Regards,=0A=
Theodore Brown=