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Date: Wed, 17 Jan 2018 20:43:04 +0200
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To: Lito <info@eordes.com>
Cc: Marco Pivetta <ocramius@gmail.com>, PHP Internals List <internals@lists.php.net>
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [PHP-DEV] [RFC] [DISCUSSION] Improve null-coalescing operator
 (??) adding empty check (??:)
From: narf@devilix.net (Andrey Andreev)

Hi,


On Wed, Jan 17, 2018 at 8:28 PM, Lito <info@eordes.com> wrote:
> No $foo ?: 'default' , it's only equivalent to (isset($foo) && $foo) ? $foo
> : 'default' if $foo exists.
>
> Also PHP has added ?? as null-coalescing operator that works with undefined
> variables/attributes/keys, my proposal is an improvement over this one.
>
> I don't want to endorse usage of undefined variables, can be used in a large
> set of situations, like object attributes, array keys, etc...
>
> Anyway thanks for your feedback.
> Lito.
>

There is a shorter version:

    empty($foo) ? 'default' : $foo;

And I think that's quite convenient for the few use cases it has
(refer to Nikita's reply).

Cheers,
Andrey.