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Date: Tue, 28 Jul 2015 09:39:38 +0900
Message-ID: <CAGa2bXYRahgPAb96YJ_SvJqy+GKu4fAFHh0C3n5FALE5Min0qA@mail.gmail.com>
To: Stanislav Malyshev <smalyshev@gmail.com>
Cc: Anthony Ferrara <ircmaxell@gmail.com>, Jakub Zelenka <bukka@php.net>, 
	"internals@lists.php.net" <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a1139e11cdcb503051be4b666
Subject: Re: [PHP-DEV] json_decode/encode should return full precision values
 by default
From: yohgaki@ohgaki.net (Yasuo Ohgaki)

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Content-Type: text/plain; charset=UTF-8

Hi all,

On Tue, Jul 28, 2015 at 9:34 AM, Stanislav Malyshev <smalyshev@gmail.com>
wrote:

> >
> > We can write
> >
> > $old = ini_set('precision', 17);
> > json_encode($var);
> > ini_set('precision', $old);
> >
> > everywhere to workaround this problem.
>
> If we're talking about encoding, that's what precision setting is - it
> says how much we want to preserve in decimal encoding of float numbers.
> Decoding, of course, should use whatever data available and not
> truncate, but I understand that is already happening?
>
> > Question is "Is this the way it should be?".
>
> I don't see why not. That's exactly what precision setting is for, as
> far as I can see.


JSON is var exporter/importer like serialize/var_export.

Both of serialize/var_export uses PG(serialize_precision), what's the point
of
_lose_ / _destroy_ original values while PHP could keep more precise values
than now?

Regards,

--
Yasuo Ohgaki
yohgaki@ohgaki.net

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