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Date: Sat, 17 Jan 2015 21:21:05 +0700
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To: Andrea Faulds <ajf@ajf.me>
Cc: Marc Bennewitz <php@marc-bennewitz.de>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] unsinged integer
From: pierre.php@gmail.com (Pierre Joye)

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On Jan 17, 2015 7:22 PM, "Andrea Faulds" <ajf@ajf.me> wrote:
>
> Hey Pierre,
>
> > On 17 Jan 2015, at 05:56, Pierre Joye <pierre.php@gmail.com> wrote:
> >
> > It looks to me like yet another can of worms (how do you deal with
> > conversions, mixed operations, etc. it adds a lot of special cases)
> > with little benefits.
>
> The conversions are trivial and there are no operations to implement. The
only "support" added would be one more zend_parse_parameters option.
>
> > 32bit environments are dying species. There are
> > ways to support LFS without that as well (while I doubt the effort is
> > worth it). So if I'd to choose whether PHP should support unsigned
> > integer, my gut feeling right now is no, it should not.
>
> This wouldn't be unsigned integer support though, it'd just be a
conversion mechanism.
>
> Also, it has some use beyond 32-but systems. On 64-bit, it would be
useful for, e.g. pack() and unpack().

I can indeed imagine some use cases for "optimized" math/ops in userland
using unsigned integer (legacy or bigint). However I am not really
convinced we should use them.

Or if we do I would also like to have more (like c# f.e.) but it would b
very tricky to use in php, due to its nature.

> Thanks.
>
> --
> Andrea Faulds
> http://ajf.me/

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