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In-Reply-To: <CANaX5nf4eDSVaYg=HygRO-vK7r9yAvdhzoTUOFHT1LHUjpQjgw@mail.gmail.com>
Date: Wed, 3 Feb 2016 17:30:26 -0500
Cc: "internals@lists.php.net" <internals@lists.php.net>,
 Sara Golemon <pollita@php.net>
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To: Davey Shafik <davey@php.net>
Subject: Re: [PHP-DEV] [RFC] Add PHP_ENGINE Constant
From: fred@fredemmott.co.uk (Fred Emmott)


> On Feb 3, 2016, at 4:03 AM, Davey Shafik <davey@php.net> wrote:
>=20
> Hi all,
>=20
> I want to bring forward a very simple RFC to help solve an issue I had =
this
> week of writing unit tests that take into account differing behaviors =
in
> PHP and HHVM.
>=20
> It's actually very difficult to be able to reliably determine that you =
are
> running the _real_ PHP runtime and not something mimicking it.

Can you give more information on why =E2=80=9Creal PHP=E2=80=9D and =
=E2=80=9Cnot real PHP=E2=80=9D would be useful to you? It sounds like =
you are working around HHVM bugs, so checking =E2=80=98am I on HHVM?=E2=80=
=99 is the correct thing to do - =E2=80=98Am I on something that is not =
PHP?=E2=80=99 is not, as other engines may not have the same bugs.

Regards,
 - Fred=