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Date: Wed, 23 Oct 2013 13:03:18 -0500
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To: Andrea Faulds <ajf@ajf.me>
Cc: PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Proposal: Implement FR #7930 (list() constructor
 reference assignment)
From: leverton@gmail.com (Matthew Leverton)

Seems like a natural fit to me.

Does it also work with the new foreach/list combo?

foreach ($array as list(&$a, $b)) {}

--
Matthew Leverton

On Wed, Oct 23, 2013 at 12:50 PM, Andrea Faulds <ajf@ajf.me> wrote:
> Good evening everyone,
>
> I have a simple suggestion for a feature addition, which I have already
> implemented. Over 13 years ago, someone suggested adding support for
> assigning by reference in list(), with the following syntax:
>
>     $arr = [1, 2]
>     list(&$a, $b) = $arr;
>
> Which would be equivalent to:
>
>     $a = &$arr[0];
>     $b = $arr[2];
>
> Their request is here: https://bugs.php.net/bug.php?id=6768
>
> It seemed like a useful feature, so I implemented it. The syntax is a little
> unusual, in that normally you do $a = &$b, and with list() you'd do
> list(&$a) = [$b], but I don't think there's a better syntax for it that
> allows you to set some variables as references, but not all.
>
> The patch is here:
> https://github.com/TazeTSchnitzel/php-src/compare/ListByReference
>
> If people think it is useful, I'll write an RFC soon.
>
> Thanks,
> --
> Andrea Faulds
> http://ajf.me/
>
> --
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