Re: what happened to that new isset() like language
| From: | Ron Korving | Date: | Sun, 30 Oct 2005 08:52:47 +0000 |
| Subject: | Re: what happened to that new isset() like language | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-19844@lists.php.net to get a copy of this message | ||
I'm a big fan of coalesce($param1, $param2, ..., $paramN) (or firstset()).
The syntax allows for more than what ifsetor($var, $value) would do.
Ifsetor() could be done in userspace, but I don't see how coalesce() could,
because of the variable number of parameters.
Ron
"Sean Coates" <sean@caedmon.net> wrote in message
news:43643EDF.1010301@caedmon.net...
> Bob Silva wrote:
> > It should be a function and not a language construct IMHO. Either
ifsetor or
> > overload the isset statement (which may not be possible within the
engine).
>
> It _has_ to be a language construct, and not a function (otherwise, we'd
> get a notice when first using the variable).
>
> It could, however, be a language construct that LOOKS like a function.
> This is how isset() and empty() work.
>
> Also, if this was possible as a function, it could be solved in
> user-space, and we wouldn't be having this conversation.
>
> (not that I claim to be an internals expert.. if I'm wrong, feel free to
> correct me)
>
> To pitch in my 0.02 CAD: this functionality is valuable to me, but I
> don't care what we name it, or how it works. I could also live without
> it: isset() + ternary + redundant typing.
>
> S