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Reply-To: bishop@php.net
Date: Tue, 9 Apr 2019 06:19:11 -0400
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To: Nikita Popov <nikita.ppv@gmail.com>
Cc: PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC] Deprecate left-associative ternary operator
From: bishop@php.net (Bishop Bettini)

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On Tue, Apr 9, 2019 at 5:54 AM Nikita Popov <nikita.ppv@gmail.com> wrote:

>
> Inspired by Bob's recent RFC for concat precedence, I'd like to propose a
> deprecation and removal of the left-associative behavior of ternaries.
> Instead, explicit parentheses should be used:
>
> https://wiki.php.net/rfc/ternary_associativity
>
> This RFC makes nested ternaries without disambiguating parentheses an error
> in PHP 8 -- we might want to consider making them right-associative
> instead, which is both useful and matches the behavior of other languages.
>

I'd support mandatory disambiguation, though I feel we should go all in and
introduce a ternary with right associativity.

See also Bug 61915[1], which suggests leaving ? left and introducing ?? for
right. Personally I don't see any benefit to keeping a ternary with left
associativity.

[1]: https://bugs.php.net/bug.php?id=61915

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