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Reply-To: bishop@php.net
Date: Thu, 25 Apr 2019 06:08:45 -0400
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To: Nikita Popov <nikita.ppv@gmail.com>
Cc: Bob Weinand <bobwei9@hotmail.com>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC] Change the precedence of the concatenation operator
From: bishop@php.net (Bishop Bettini)

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On Thu, Apr 25, 2019 at 5:52 AM Nikita Popov <nikita.ppv@gmail.com> wrote:

> On Thu, Mar 28, 2019 at 2:33 PM Bob Weinand <bobwei9@hotmail.com> wrote:
>
> > I feel like concatenation having the same precedence than addition and
> > subtraction is promoting programmers to make mistakes. Albeit typically
> > easy to catch ones, it is a quality of life change at least.
> >
> > Hence I'm proposing a RFC changing the precedences:
> > https://wiki.php.net/rfc/concatenation_precedence
>
> Similarly to the ternary associativity RFC, I've analyzed the top 2000
> composer packages and checked whether they would be affected by this
> change: https://gist.github.com/nikic/a4df3e8e18c7955c2c21cf6cdb4cbfaa
>
> The tl;dr is that there were 5 instances where behavior would change per
> this RFC, and all 5 of them are bugs in current code and would be
> interpreted correctly after this RFC.
>

Nikita, impressive leg work; thanks. It validates Bob's intuition from the
RFC ("... these occurrences are quite rare as it almost always is an error
in the current form, rendering the impact minimal."), so I'd encourage
bringing this to a vote. I'm a +1.

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