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Date: Tue, 6 Jul 2021 13:29:08 +0200
Message-ID: <CAEPJduniYbk5O2ndbKnrGSxRNgLyMHExowfpPNeLO-m9UVrjJQ@mail.gmail.com>
To: Rowan Tommins <rowan.collins@gmail.com>
Cc: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [Vote] New in initializers
From: kontakt@beberlei.de (Benjamin Eberlei)

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On Tue, Jul 6, 2021 at 12:58 PM Rowan Tommins <rowan.collins@gmail.com>
wrote:

> On 06/07/2021 11:31, Benjamin Eberlei wrote:
> > This is not 100% correct, you can have an attribte #[Foo(Foo::class)] and
> > then calling ReflectionAttribute::getArguments would also require to
> > resolve the type Foo. So this is not different than what could happen
> right
> > now already.
>
>
> Despite its name, "::class" doesn't care about class definitions, it
> just performs a string substitution based on the "namespace" and "use"
> statements in the current file.
>
> In most cases, that happens entirely at compile time, so the following
> two source files compile identically:
>

Hah, I realized after sending the example was bad :) I should have used an
example using actual constants (vs magic ones):

#[Foo(Foo::BAR)]

This would trigger autoloading and resolving during getArguments()

>
> Short form:
>
> namespace Somebody\Something;
> #[ Foo( Foo::class ) ]
> class Whatever {}
>
> Expanded form:
>
> namespace Somebody\Something;
> #[ \Somebody\Something\Foo( '\Somebody\Something\Foo' ) ]
> class Whatever {}
>
>
> There is no need for the class \Somebody\Something\Foo to actually exist
> in either case, the argument is just a string:
> https://3v4l.org/bgNa2#v8.0.8
>
>
> Regards,
>
> --
> Rowan Tommins
> [IMSoP]
>
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>

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