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Date: Wed, 14 Aug 2013 08:23:02 +0200
Message-ID: <CALtuQzCMyCzBFcni=2r14q_G2bGbdR-Hsze-Hqm-ULb=jiMf0A@mail.gmail.com>
To: Christian Stoller <stoller@leonex.de>
Cc: PHP internals list <internals@lists.php.net>, Anthony Ferrara <ircmaxell@gmail.com>
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Subject: RE: [PHP-DEV] [RFC] Constant Scalar Expressions
From: krebs.seb@gmail.com (Sebastian Krebs)

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Content-Type: text/plain; charset=ISO-8859-1

Am 14.08.2013 08:17 schrieb "Christian Stoller" <stoller@leonex.de>:
>
> > Hello all,
> >
> > I'd like to propose a new RFC for 5.NEXT:
> >
> > https://wiki.php.net/rfc/const_scalar_expressions
> >
> > This allows for defining constant expressions which are resolved at
compile
> > time.
>
> What should that be for?
>
> > const FOO = 1 + 1;
> > const BAZ = "HELLO " . "WORLD!";
>
> Why not just writing
>
> const FOO = 2;
> const BAZ = "HELLO WORLD!";
>
> I think it makes code les readable. And if you want to give an important
hint for the reader of the code, you can still write comments.

Other examples are better I think

const $flag3 = 1<<7;
const $timeout = 60*8;

For strings it can make sense to avoid newlines, when you want to split a
long string onto several lines.

>
>
> Best regards
> Christian

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