Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:88574
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain zend.com designates 209.85.213.43 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <1443565346.10840.17.camel@kuechenschabe>
References: <CALW=WEBPC2N2tzmU1uB_v93YXLa1MA97=0_q7zP0F6G+uRPDNQ@mail.gmail.com>
	<56095A0C.4070306@cubiclesoft.com>
	<CAFMT4NqaqVX-KHh9iz_R05wxp2h=aajv5RuQGh2EQVSNHoLGaQ@mail.gmail.com>
	<CAEZPtU6cgVrqh0PNYybcrk4_X36m5K=dp280G=7OfzjYBzxJpQ@mail.gmail.com>
	<CAESVnVpG1MK4pkjOYC0CHYw8=yndAfd9gaDOkfTCd7fPja_2pQ@mail.gmail.com>
	<1443565346.10840.17.camel@kuechenschabe>
Date: Wed, 30 Sep 2015 01:39:44 +0300
Message-ID: <CA+9eiLtFGqupSgPMb=_+r+pvcmQ0WCp=H0943AEFWHBx-cqdXw@mail.gmail.com>
To: =?UTF-8?Q?Johannes_Schl=C3=BCter?= <johannes@schlueters.de>
Cc: Sara Golemon <pollita@php.net>, Pierre Joye <pierre.php@gmail.com>, Levi Morrison <levim@php.net>, 
	PHP internals <internals@lists.php.net>, Thomas Hruska <thruska@cubiclesoft.com>, 
	"S.A.N" <ua.san.alex@gmail.com>
Content-Type: multipart/alternative; boundary=001a11431e7688b8b20520ea7ddd
Subject: Re: [PHP-DEV] async/await - is future reserved words in PHP 7.x?
From: dmitry@zend.com (Dmitry Stogov)

--001a11431e7688b8b20520ea7ddd
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

On Wed, Sep 30, 2015 at 1:22 AM, Johannes Schl=C3=BCter <johannes@schlueter=
s.de>
wrote:

> On Tue, 2015-09-29 at 11:29 -0700, Sara Golemon wrote:
> > On Mon, Sep 28, 2015 at 10:30 PM, Pierre Joye <pierre.php@gmail.com>
> wrote:
> > > This model totally failed for us in the past. And given that these
> keywords
> > > will be used for anything related to async APIs, let reserve them and
> put
> > > our users on the safe side already.
> > >
> > Like that time we reserved `use` way before namespaces made it into
> > the language?
>
> Just for history:
>
> Actually we didn't reserve "use" on purpose. In commit 5463dd5b in
> November 1999 Andi implemented a "use" feature which worked like
> require_once, which was introduced later. The feature was removed but
> unused "use" was kept by accident. In 5.3 we decided to use this unused
> keyword instead of adding a new keyword.
>
> https://github.com/php/php-src/commit/5463dd5b387298a84736e590e5d213f5baf=
e9435


I think "use" was introduced by namespace implementation that was proposed
during 5.0 development and then reverted before GA release.

Thanks. Dmitry.


>
>
> We never purposely introduced a keyword. Only comparable thing was
> backporting a the b"" prefix for binary strings from meanwhile abandoned
> PHP 6 to 5.2(?).for forward compatibility. That has proven to be
> useless.
>
> Again an indication not to add async/wait keywords *now* as
> placeholder. :-)
>
> johannes
>
>

--001a11431e7688b8b20520ea7ddd--