#44780 [Com]: some time zone offsets not recognized by timezone_name_from_abbr

From: Date: Wed, 05 Nov 2008 19:34:42 +0000
Subject: #44780 [Com]: some time zone offsets not recognized by timezone_name_from_abbr
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-130667@lists.php.net to get a copy of this message 
 ID:               44780
 Comment by:       mfburdett at gmail dot com
 Reported By:      shawn dot parker at alttech dot com
 Status:           Assigned
 Bug Type:         Date/time related
 Operating System: *
 PHP Version:      5CVS-2008-08-14
 Assigned To:      derick
 New Comment:

Also does not return a time zone for Indian Standard Time:
timezone_name_from_abbr('', 19800, 0)


Previous Comments:
------------------------------------------------------------------------

[2008-08-14 19:47:11] jani@php.net

Assigned to the date/time guru.

------------------------------------------------------------------------

[2008-04-18 21:11:10] shawn dot parker at alttech dot com

Just a quick note - this time a year, for my time zone, that should
return Anchorage (or something else in the AHST time zone) because of
DST.

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[2008-04-18 20:46:46] shawn dot parker at alttech dot com

Description:
------------
timezone_name_from_abbr() will return false on some time zone 
offsets. In particular - Hawaii, which has a -10 from GMT offset,
-36000 
seconds.

Using Denver's offset, -21600 works fine, as do most offsets, but 
occasionally offsets don't return correctly.

Reproduce code:
---------------
var_dump( timezone_name_from_abbr('',-36000,1) );

Expected result:
----------------
A time zone, like maybe 'Pacific/Honolulu'

Actual result:
--------------
false


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