Re: [Proposal] Modification to ?: functionality
| From: | Jannik Zschiesche | Date: | Tue, 26 Nov 2013 15:32:27 +0000 |
| Subject: | Re: [Proposal] Modification to ?: functionality | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-70405@lists.php.net to get a copy of this message | ||
Hi,
Am Dienstag, 26. November 2013 um 16:15 schrieb Mats Lindh:
> On Tue, Nov 26, 2013 at 3:43 PM, Chris London <me@chrislondon.co
> (mailto:me@chrislondon.co)> wrote:
> > following would be functionally equivalent:
> >
> > $foo = isset($foo) && $foo ? $foo : 'default';
> >
> > $foo = $foo ?: 'default';
>
> The would break the assumption that a reference to an uninitialized value
> would generate a notice, unless explicitly handled in the logic.
>
> While I also would like to have something similar to ?: to handle default
> values for array keys, etc., this would change a fundamental assumption
> that as been in place for many years now. I'm not sure if that's a BC break
> that would be acceptable this late. An alternative operator may be more
> suitable.
Since the discussion about it is quite vivid at the moment:
wouldn’t this be a nice candidate for one of the changes in the next major version?
--
Cheers Jannik