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Date: Sat, 25 May 2013 17:25:35 +0200
Message-ID: <CAH-PCH6+QhzoHx-rt9cmnHkd9F+jJX_pHXBoJpPON6edciL=eA@mail.gmail.com>
To: Levi Morrison <morrison.levi@gmail.com>
Cc: Tim Starling <tstarling@wikimedia.org>, Pierre Joye <pierre.php@gmail.com>, 
	PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=089e01176549ebfc4404dd8c862a
Subject: Re: [PHP-DEV] date.timezone E_WARNING -- Really necessary? What's the rationale?
From: tyra3l@gmail.com (Ferenc Kovacs)

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On Sat, May 25, 2013 at 5:09 PM, Levi Morrison <morrison.levi@gmail.com>wro=
te:

> >> It is actually only about getting safe, cross platform/OS (even
> >> between Linux versions) for the TZ database. It has nothing to do
> >> with taste or similar subjective opinion.
> >>
> >> For the record, the behavior requested in this thread is what we had
> >> in earlier versions, all we got was plenty of bugs reports about
> >> wrong TZ detections.
> >>
> >
> > I had missed the removal of the TZ detection code from
> > guess_timezone() in 5.4. So @date_default_timezone_get() is somewhat
> > less useful than it used to be, as a function for detecting system
> > settings.
> >
> >> I think it is not too much asking to set it in php.ini or in your
> >> application.
> >>
> >
> > At least for MediaWiki, it's certainly more important to avoid
> > warnings than it is to have the right local timezone. UTC is used in
> > any case where consistency is important. Based on other posts to this
> > list, I don't think we're alone in this.
>
> For the record, the PHP 5.4+ date_default_timezone_get is equivalent to
>
>     ini_get('date.timezone') ?: 'UTC'
>
> except that date_default_timezone_get will raise a warning and the
> above will not.
>
>
and the fact that date_default_timezone_get wouldn't return invalid
timezone, while ini_get would:
./sapi/cli/php -n -d date.timezone=3D"Foo/Bar"  -r
'var_dump(@date_default_timezone_get());var_dump(ini_get("date.timezone")?:=
"UTC");'
string(3) "UTC"
string(7) "Foo/Bar"



--=20
Ferenc Kov=C3=A1cs
@Tyr43l - http://tyrael.hu

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