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Date: Wed, 3 Feb 2016 17:14:09 -0500
Cc: Sara Golemon <pollita@php.net>,
 Matt Prelude <me@mprelu.de>,
 PHP internals <internals@lists.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)

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> On Feb 3, 2016, at 2:00 PM, Davey Shafik <davey@php.net> wrote:
>=20
> On Wednesday, February 3, 2016, Sara Golemon <pollita@php.net =
<mailto:pollita@php.net>> wrote:
>=20
> Unfortunately Sara, the types of things you generally have to work =
around
> are minor things, like differences in DOM, or the inability to =
json_encode
> DateTimeImmuteable



It seems like the main thing this RFC would change is that you could =
easily do =E2=80=9Cif ($engine !=3D=3D =E2=80=98php=E2=80=99)=E2=80=9D - =
but for almost all the examples I can think of, and yours, what=E2=80=99s =
actually needed is if "($engine =3D=3D=3D =
=E2=80=98specific_engine_that_needs_a_workaround=E2=80=99)=E2=80=9D, so =
I don=E2=80=99t see a benefit over using HHVM_VERSION or similar.

The one exception I can think of is if someone=E2=80=99s reimplementing =
phpinfo() or similar.

Regards,
 - Fred=

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