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Bug #74824 Western European Summer Time (WEST) should be corrected in the timezone map
Submitted: 2017-06-28 17:38 UTC Modified: 2021-11-18 17:17 UTC
Votes:4
Avg. Score:5.0 ± 0.0
Reproduced:4 of 4 (100.0%)
Same Version:1 (25.0%)
Same OS:1 (25.0%)
From: hfm dot anwa at gmail dot com Assigned: cmb (profile)
Status: Not a bug Package: Date/time related
PHP Version: master-Git-2017-06-28 (Git) OS: Any
Private report: No CVE-ID: None
View Developer Edit
 [2017-06-28 17:38 UTC] hfm dot anwa at gmail dot com 
Description:
------------
The function timezone_name_from_abbr returns an inaccurate result when WEST is provided as an abbreviation without further parameters. I think this is do to this map:
https://git.php.net/?p=php-src.git;a=blob;f=ext/date/lib/timezonemap.h;h=d8898bf33dc76b90b12b0f01d2e1b832d87d68b2;hb=refs/heads/master#l1510

This map should be updated. All non european timezones should be removed and Paris, Luxembourg, Brussels, Madrid and Monaco also, since they are not part of WEST.

Test script:
---------------
echo timezone_name_from_abbr('WEST'); // echoes Europe/Paris it should return Europe/Lisbon or other adequate result

Expected result:
----------------
Europe/Lisbon

Actual result:
--------------
Europe/Paris

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 [2021-11-18 17:17 UTC] cmb@php.net
-Status: Open +Status: Not a bug -Assigned To: +Assigned To: cmb
 [2021-11-18 17:17 UTC] cmb@php.net 
Please report that upstream[1].  While PHP ships a bundled
timelib, we usually do not apply any patches there, but rather
update from upstream from time to time.

[1] <https://github.com/derickr/timelib/issues>
 
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