Hi,

2012/4/18 Stas Malyshev <smalys...@sugarcrm.com>:
> Hi!
>
> One of the annoying things I've encountered in working with PHP was
> dealing with functions having long optional parameter lists, especially
> if you need to change only the last one - you have to copy all the
> defaults. Full named params implementation would solve it, probably, but
> before we have that here's an easier solution for part of the problem:
>
> https://wiki.php.net/rfc/skipparams
>
> Basically, it allows you to do this:
>
> create_query("deleted=0", "name",,, /*report_errors*/ true);
>
> Implementation of it is here:
> https://github.com/smalyshev/php-src/tree/skip_params
> All things described in RFC seem to be working, please tell me if I
> forgot anything. If it's accepted I'll also add tests, etc. of course.

Introducing "undefined" might be good.
Intention becomes clearer and we may do

if ($var === undefined) {
  echo '$var is undefined';
}

Regards,

--
Yasuo Ohgaki
yohg...@ohgaki.net

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