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Date: Thu, 12 Mar 2015 11:24:18 +0300
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To: Johannes Ott <mail@deroetzi.de>
Subject: Re: [PHP-DEV] static constructor
From: indeyets@gmail.com (Alexey Zakhlestin)


> On 12 Mar 2015, at 02:21, Johannes Ott <mail@deroetzi.de> wrote:
>=20
> So now I want to do my first own proposal for a new function in PHP =
and
> I hope doing it right with starting a discussion here first.
>=20
> The purpose of this suggestion is to introduce a static constructor,
> which is called before the first call to class either static or
> non-static to initialize some static properties which are needed by =
the
> class.
>=20
> I think about two different possible syntax to realize that purpose:
>=20
> Version 1 (similar to Java):
>=20
> class A {
>    private static $var;
>=20
>    static {
>         //Do some code here to initialize self::$var;
>    }
>=20
> }
>=20
> Version 2 (a new magic method):
>=20
> class B {
>    private static $var;
>=20
>    private static function __static() {
>        //Do some code here to initialize self::$var;
>    }
> }
>=20
> My prefered code would be version 2 at the moment.
>=20
> Looking forward to your feedback,

What about inheritance?
I think dynamic class-constructor would make much more sense.
A function which can analyse real class and do initialisation.

class A
{
    protected static function __class_construct()
    {
        echo get_called_class().=E2=80=9D class is defined\n";
    }
}

class B extends A
{
}

#### output ####
A class is defined
B class is defined

--=20
Alexey Zakhlestin
https://github.com/indeyets
PGP key: http://indeyets.ru/alexey.zakhlestin.pgp.asc