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Date: Mon, 25 Feb 2013 11:07:06 +0100
Message-ID: <CAEPJdunfeEjvLv1mcq=YEvTobrdCbzX9haWFDSMfuFk3bizo=A@mail.gmail.com>
To: Jens Riisom Schultz <ibmurai@me.com>
Cc: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Late FQCN resolution using ::class
From: kontakt@beberlei.de (Benjamin Eberlei)

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You can use the "static" late static binding keyword for this, it works,
see:

http://3v4l.org/l9Z5Y


On Mon, Feb 25, 2013 at 11:00 AM, Jens Riisom Schultz <ibmurai@me.com>wrote:

> Hi everybody,
>
> I have read up on this, and done some testing.
>
> First up, my findings with PHP5.5 alpha5:
>
> <?php
> namespace spacy;
>
> class classy {
>         public static function fqcn() {
>                 /* This works but is not useful enough: */
>                 //return self::class;
>
>                 $me = 'classy';
>
>                 /* This just doesn't work, but I wish it did: */
>                 //return $me::class;
>
>                 /* This simply does not work as expected: */
>                 return eval("return $me::class;");
>                 /* Output: "classy" - Expected output: "spacy\classy" */
>         }
> }
> ?>
>
> I'm trying to late resolve a class name contained in a variable to the
> FQCN. I understand that this is hard (maybe even impossible) with the
> current implementation, because class name resolution happens compile time,
> but eval("return $me::class;") simply returns something that is weird.
>
> I guess what I'm trying to ask is whether it would be impossible to
> support late FQCN resolution in any way? It would be very useful for
> frameworks to be able to do this.
>
> - Jens Riisom Schultz
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> PHP Internals - PHP Runtime Development Mailing List
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>

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