[php-maint] Timezone querying
philipp.kempgen at amooma.de
Wed Mar 17 21:50:21 UTC 2010
Ondřej Surý schrieb (am 17.3.10 22:00):
> 1. Added overhead when timezone is not set -> I don't think we should
> really do anything in here. It's a simple matter of adding
> date_default_timezone_set("xxx/yyy") to your application. After adding
> this call PHP will use that value as first in guess_timezone().
> However we could put something about it to README.Debian.
Hardly anyone actually reads ReadMe files.
(Of course it's their fault, but ...)
In order to write portable code you need
anyway no matter whether Debian's PHP actually triggers a notice/
warning or not.
Suppressing errors by "@" causes a slight slowdown but that cannot
be avoided, see above.
Note that specifying a literal timezone in
date_default_timezone_set('xxx/yyy') will never happen in a portable
I don't know what Debian's PHP currently does but if it guesses
the system's timezone on every invocation of date() (vs. once per
interpreter invocation) and thus causes a slowdown without triggering
a warning then that might even be worse than the strange default
behavior from upstream.
Can this be fixed be the upstream?
Ugly alternative solution: How about a daily cron job that sets
date.timezone (in /etc/php5/*/php.ini) to
@date_default_timezone_get() resp. /etc/timezone ?
(No, I'm not saying this is the way to go. Just an idea.)
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