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To: Aran Reeks <cdtreeks@gmail.com>, PHP internals <internals@lists.php.net>
References: <CAKtGGAuxkoS9vmKqSfpBi2=mpo2L-w8BXv9idTUaOCiTTtq8Gg@mail.gmail.com>
Message-ID: <104c191e-8ee7-7540-f5b1-3ffe765dc680@gmx.de>
Date: Mon, 16 Mar 2020 17:10:25 +0100
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Subject: Re: [DISCUSSION] Native UUID support in PHP
From: cmbecker69@gmx.de ("Christoph M. Becker")

On 16.03.2020 at 17:06, Aran Reeks wrote:

> I'd like to open up a discussion around the implementation of a new
> function within PHP for generating a UUID.
>
> Whilst there are libraries out there already for PHP which can generate =
a
> UUID, all of those libraries have the possibility to generate IDs that
> *could* have a collision.
>
> The specification for UUID versions 1 and 2 allow for collision-free ID
> generation by incorporating the unique MAC addresses from network cards =
-
> something which can't be accessed from PHP code at present.
>
> I can see two possible methods to enable this;
>
>    - New function added to PHP which exposes the MAC address (allowing
>    external implementations for UUIDs, as well as other possible purpose=
s a
>    MAC address could be used).
>
>    - A new PHP function which introduced a uuid() function which will
>    generate and return version-compliant UUIDs.
>
>    - Both of the above.
>
> Thoughts and feedback welcome to kickstart conversations and if there's =
a
> positive consensus, I'd like to put forward an RFC for this to be
> introduced in PHP 8.

See also <https://wiki.php.net/rfc/uuid>.

=2D-
Christoph M. Becker