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Date: Sun, 15 Mar 2015 09:56:13 -0600
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To: Rasmus Lerdorf <rasmus@lerdorf.com>
Cc: Philip Sturgeon <pjsturgeon@gmail.com>, Bob Weinand <bobwei9@hotmail.com>, 
	=?UTF-8?Q?Pavel_Kou=C5=99il?= <pajousek@gmail.com>, 
	internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC][PRE-VOTE] Reserving More Types in PHP 7
From: levim@php.net (Levi Morrison)

On Sat, Mar 14, 2015 at 4:30 PM, Rasmus Lerdorf <rasmus@lerdorf.com> wrote:
> On 03/15/2015 07:31 AM, Philip Sturgeon wrote:
>> On Sat, Mar 14, 2015 at 7:38 AM, Bob Weinand <bobwei9@hotmail.com> wrote=
:
>>>> Am 14.03.2015 um 10:21 schrieb Pavel Kou=C5=99il <pajousek@gmail.com>:
>>>>
>>>> On Saturday, March 14, 2015, Levi Morrison <levim@php.net> wrote:
>>>>> RFC Link: https://wiki.php.net/rfc/reserve_more_types_in_php_7
>>>>>
>>>>> The proposal has changed from the original. It no longer reserves the
>>>>> aliases out of the interest of reserving the smallest useful,
>>>>> uncontroversial subset. Some people want to remove aliases for these
>>>>> types so in the interest of being as uncontroversial as possible I am
>>>>> no longer proposing to remove them.
>>>>>
>>>>> This will go into voting on March 15th unless something comes up
>>>>> between now and then to persuade me otherwise.
>>>>>
>>>>> --
>>>>> PHP Internals - PHP Runtime Development Mailing List
>>>>> To unsubscribe, visit: http://www.php.net/unsub.php
>>>>>
>>>>>
>>>>
>>>> Hello,
>>>>
>>>> why do you consider a "true" and "false" as a type? It's not a type. i=
t's a
>>>> value?
>>>>
>>>> Regards
>>>> Pavel Kouril
>>>
>>> These aren't types. But useful for e.g. union types (int|false). [By th=
e way they're internally handled as different types=E2=80=A6 but that's an =
implementation detail=E2=80=A6]
>>>
>>> Also, he doesn't call them anywhere types, it's just the title.
>>>
>>> Bob
>>> --
>>> PHP Internals - PHP Runtime Development Mailing List
>>> To unsubscribe, visit: http://www.php.net/unsub.php
>>>
>>
>> This is a solid plan. Vote this and everyone should +1 it, so if this
>> scalar squabble results in a a 0-0-0 score we can at least add scalars
>> later.
>
> This is not quite that obvious I don't think. If
> https://wiki.php.net/rfc/context_sensitive_lexer isn't ready in time for
> 7.0 and we don't need to reserve these for one of the STH RFCs then we
> should hold off and do it alongside the context sensitive lexer change
> or we are going to needlessly break a ton of code including Drupal8:
>
>
> https://github.com/drupal/drupal/blob/8.0.x/core/lib/Drupal/Component/Uti=
lity/String.php#L15
>
> -Rasmus
>
>

I respect this opinion, though I disagree. I do agree that breaks in
backwards compatibility should not be taken lightly; I think we just
disagree on the magnitude of both the breaks and the gains.