On Sep 30, 2026, at 9:29 PM, Karoly Negyesi <[email protected]> wrote: > > Hello, > > I submitted a draft RFC to https://github.com/php/php-src/pull/24030. The PR > contains an implementation and tests (please be gentle, I haven't written C > in decades). > > I propose an "implements by" syntax to automate delegation, closely modelled > on Kotlin. > > In short, > > interface T { function foo(); } > class A implements T { function foo() { print "A"; } } > class C implements T by $t { function __construct(private T $t) {} } > new C(new A)->foo(); > > The performance impact should be minimal as everything happens at compile > time and during class linking with no runtime changes. There is no BC break. > (That's the intention, at least. I modelled the change after enum.) > > Regards > > Karoly Negyesi > > P.S. Credit to Larry Garfield for pushing for this better syntax than my > original idea. >
The RFC itself needs to be posted to wiki.php.net (and link to your implementation PR). See below link for the process there and how to get access to edit: https://wiki.php.net/rfc/howto
