On Wed, Sep 30, 2015 at 1:22 AM, Johannes Schlüter <johan...@schlueters.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....@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/5463dd5b387298a84736e590e5d213f5bafe9435 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 > >