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Date: Thu, 28 Nov 2019 12:01:00 +0100
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To: Rowan Tommins <rowan.collins@gmail.com>
Subject: Re: [PHP-DEV] Opt-in "use function *;" for skipping check for
 function/const in alternate namespace
From: claude.pache@gmail.com (Claude Pache)



> Le 28 nov. 2019 =C3=A0 10:35, Rowan Tommins <rowan.collins@gmail.com> =
a =C3=A9crit :
>=20
> On Thu, 28 Nov 2019 at 00:02, tyson andre <tysonandre775@hotmail.com> =
wrote:
>=20
>> - Due to the absence of function autoloading (not supported in php to
>> performance overhead), functions outside the global scope are rare in
>> practice.
>>=20
>=20
>=20
> If this is a valid justification, perhaps we should do the opposite of =
the
> "deprecate fallback to global scope" RFC you mentioned, and make the =
"use
> function *" behaviour the default in some future version. That would
> provide us longer term benefits, such as being able to introduce =
function
> autoloading.

I think it is better to keep the language as regular as possible, and =
consider that every non-fully-qualified name is relative to the current =
namespace, unless there is an explicit `use` declaration that says =
otherwise

>=20
> An opt-in mechanism is certainly easier to migrate to, but it would be =
a
> shame if every PHP file in 10 years time included a line like this:
>=20
> use function *; // don't know what this does, but apparently it's good =
for
> performance =C2=AF\_(=E3=83=84)_/=C2=AF

Or: =E2=80=9Cdon't know what this does, but apparently it silences =
deprecation notices...=E2=80=9D

The issue indeed is that the meaning is far from self-evident. Maybe one =
could use something that everyone and their mother could understand at =
first reading, such as:

use function from global namespace;

=E2=80=94Claude