Re: ifsetor like expression in php6
| From: | Sam Barrow | Date: | Sat, 26 Jan 2008 17:17:24 +0000 |
| Subject: | Re: ifsetor like expression in php6 | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-34940@lists.php.net to get a copy of this message | ||
I don't think throwing a E_NOTICE is appropriate. The isset() construct
doesn't throw an E_NOTICE, this shouldn't either.
On Sat, 2008-01-26 at 17:30 +0100, Sebastian wrote:
> hi,
>
> i just found the new ifsetor like construction in php6. It left me the
> question why php has to throw an E_NOTICE when the variable is not set. This
> is basicly because that actually is the meaning of this construction,
> checking if the variable is set and if it isnt give back a standard value.
> Of course i know this construction can be (mis)used with an Boolean check
> ($var===$var2), but this does not make much sence either because TRUE will
> then be assigned to the new variable if the expression evaluates to TRUE
> (but please correct me if theres a real use for this).
>
> So in any case it would be better to remove the Boolean check feature and
> make it a simple ifsetor() without the E_NOTICE again.
>
> For those of you who have not heard of it heres an example:
>
> <?php
>
> // If $_GET['foo'] is set, then its value will be assigned to $foo,
> // otherwise 42 will be assigned to $foo.
>
> $foo = $_GET['foo'] ?: 42;
>
> ?>
>
> Greetings
>
> Sebastian
>