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Date: Mon, 20 Nov 2023 00:03:18 +0100 (GMT+01:00)
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Subject: Re: [PHP-DEV] RFC Proposal - static modifier for classes
From: daniil.gentili@gmail.com (Daniil Gentili)

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19 nov 2023 22:28:16 Lanre Waju <lanre@online-presence.ca>:

> Hi, similar to the abstract and readonly modifiers to classes (similar in=
 syntax only), I propose a class level "static" modifier that ensures:
>=20
> 1. The class cannot be instantiated and will throw an exception if attemp=
ted.
>=20
> 2. All methods and variables in the class are implicitly static.
>=20
> 3. (optional based on community input) It should have the same effect on =
traits and interfaces
>=20
> For example:
>=20
> static class X {
>=20
> =C2=A0=C2=A0=C2=A0 const int k =3D 1;
>=20
> =C2=A0=C2=A0=C2=A0 private string $a
>=20
> =C2=A0=C2=A0=C2=A0 function foo():void{}
>=20
> =C2=A0=C2=A0=C2=A0 private function bar():void{}
>=20
> }
>=20
> would be equivalent to
>=20
> class X {
>=20
> =C2=A0=C2=A0=C2=A0 const int k =3D 1;
>=20
> =C2=A0=C2=A0=C2=A0 private static string $a
>=20
> =C2=A0=C2=A0=C2=A0 public static function foo():void{}
>=20
> =C2=A0=C2=A0=C2=A0 private static function bar():void{}
>=20
> }
>=20
> and so on. I will be implementing this myself it it gets approved.
>=20
> Cheers,
>=20
> Lanre
>=20
> --=20
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Hi,

Super on board with this, I felt the need for this feature uncountable time=
s in many years, usually the temporary solution was just to mark the class =
as final and create a private constructor, but especially the private const=
ructor part makes it a bit ugly, too indirect and not immediately obvious.


The only doubts I have about this proposal are the omission of static keywo=
rds for functions and properties.
I understand this is inline with readonly classes, but I don't feel like st=
atic is a keyword that should be omittable when declaring static methods an=
d properties.


Regards,
Daniil Gentili.

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