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To: Andrey Andreev <narf@devilix.net>
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Date: Wed, 17 Jan 2018 19:47:41 +0100
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Subject: Re: [PHP-DEV] [RFC] [DISCUSSION] Improve null-coalescing operator
 (??) adding empty check (??:)
From: info@eordes.com (Lito)

On 17/01/18 19:43, Andrey Andreev wrote:
> 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.
>
Yes, I think that:

$foo = $foo ??: 'default';

Is more clear and with less code than:

$foo = empty($foo) ? 'default' : $foo;

As ?? does.

Regards,
Lito.