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Date: Mon, 1 Oct 2018 09:23:55 -0300
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To: rowan.collins@gmail.com
Cc: internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Class name resolution for \array::class
From: marcospassos.com@gmail.com (Marcos Passos)

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Rowan, thank you for sharing your thoughts.

You can also see it as a language construct that expects a type at the
left-hand side of the name resolution operator. In that sense, primitive
types are perfectly valid.

Regards,
Marcos

Em seg, 1 de out de 2018 =C3=A0s 05:45, Rowan Collins <rowan.collins@gmail.=
com>
escreveu:

> On Mon, 1 Oct 2018 at 00:30, Marcos Passos <marcospassos.com@gmail.com>
> wrote:
>
>> Currently, class name resolution supports all types except an array.
>> https://3v4l.org/OXFMW
>>
>
> It seems to me that the bug is allowing an expression like "int::class" t=
o
> resolve, when "int" is no longer a legal class name.
>
> I suspect the reason "array::class" doesn't work is that it was already a
> reserved word in PHP 5, whereas other types were legal class names. In PH=
P
> 5, "int::class" can plausibly resolve to the name of an actual class, but
> in PHP 7, it can't, but clearly this part of the grammar wasn't updated t=
o
> reflect that.
>
> The parser is being too forgiving here, I think, and should complain if
> the word before :: is not a valid class name.
>
> Regards,
> --
> Rowan Collins
> [IMSoP]
>

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