> On Dec 2, 2025, at 1:38 AM, Larry Garfield <[email protected]> wrote:
>
> Hi folks. Ilija and I would like to present our latest RFC endeavor,
> pattern matching:
>
> https://wiki.php.net/rfc/pattern-matching
>
> You may note the date on the RFC is from 2020. Yes, we really have had this
> one in-progress for 5 years. :-) (Though it was inactive for many of those
> years, in fairness.) Pattern matching was intended as the next follow up to
> Enums, as it's a stepping stone toward full ADT support. However, we also
> feel it has enormous benefit on its own for simplifying complex comparisons.
>
> This RFC has been through numerous iterations, including a full
> implementation rewrite just recently that made a number of features much
> easier. We have therefore included two patterns that were previously slated
> for later inclusion but turned out to be trivially easy in the new approach.
> (Variable pinning and numeric comparison.)
>
> Nonetheless, there are two outstanding questions on which we are looking for
> feedback.
>
> Naturally given the timing, we will not be calling a vote until at least late
> January, regardless of how the discussion goes. So, plenty of time to
> express your support. :-)
>
> --
> Larry Garfield
> [email protected]
Thank you for the RFC and that you included option with match and individual
IS’s, I think it would be preferable option not to break the match
construction.
Regarding the patterns, is there a way to declare and reuse the patterns?
Assign it to a variable and use it as “is $pattern” or something like that.
Maybe as a separate class “$pattern->match($var)”.
While it’s not reusable it looks like it has a limited scope to use it,
otherwise regular replacements preferred.
--
Best regards,
Dmitrii Derepko.
@xepozz
