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Date: Fri, 23 Sep 2016 12:38:07 +0700
Message-ID: <CAEZPtU69dUoX9v-t+6W4G7eF+E2FFAF2mmFf=WVjvkMgD-e0yw@mail.gmail.com>
To: Levi Morrison <levim@php.net>, Davey Shafik <davey@php.net>
Cc: Nicolas Grekas <nicolas.grekas@gmail.com>, Ryan Pallas <derokorian@gmail.com>, 
	PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=94eb2c000bd806a119053d262f77
Subject: Re: [PHP-DEV] Fix ReflectionType::__toString() BC break
From: pierre.php@gmail.com (Pierre Joye)

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Adding the RMs.

Dacey, I think this needs a deeper look and decision.

On Sep 22, 2016 7:51 AM, "Pierre Joye" <pierre.php@gmail.com> wrote:
>
> On Sep 22, 2016 1:07 AM, "Levi Morrison" <levim@php.net> wrote:
> >
> > On Wed, Sep 21, 2016 at 11:13 AM, Nicolas Grekas
> > <nicolas.grekas@gmail.com> wrote:
> > >> To handle this in code written around current __toString seems pretty
> > > simple
> > >
> > > Yes it is, but that's not what we're talking about:
> > > BC is about having perfectly fine code working in e.g. 7.0 be still
working
> > > fine on 7.1 *without any change*.
> > >
> > > Right now, we have red test suites on php7.1rc2.
> > > This is the symptom of a BC break, by definition.
> > > And the issue is not the existing code we have, but the new one that
is
> > > changing the behavior of the engine.
> >
> > This was understood when the decision was made. You seem to not be
> > understanding the bigger issue and instead focusing on the BC break
> > for a *single minor release,
>
> Which does not allow BC breaks but for extreme cases. I do not consider
this case as extreme, at all.
>
> I share Nicolas concerns here. This is the kind of changes making the
migration path harder than it should without a strong reason behind it.
>
> I agree with Nikita but it is something that can be solved using the
depreciation flag and then handle in the next major.
>
> > and a dot zero at that*. If we keep the
> > BC compat this method is redundant and useless forever. If we fix it
> > we break your code for *one single minor release, and a dot zero at
> > that*. Which is the bigger disruption?
>
> Obviously the sooner. And what is the next BC breaks for 7.2/3/4?
>
> This is exactly why we introduce the no BC break rule.
>
> In this case it is even more clear as one can use getName if desired to
support 7.1+ only, which I suppose is most likely not the case for a large
majority of users.

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