From 14a07b11936bc061b5c82daa6387eb4645974fac Mon Sep 17 00:00:00 2001
From: Joas Schilling <nickvergessen@gmx.de>
Date: Wed, 18 Jul 2012 17:18:10 +0200
Subject: [feature/new-tz-handling] Move update helper function to new class

PHPBB3-9558
---
 phpBB/includes/update_helpers.php | 112 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 phpBB/includes/update_helpers.php

(limited to 'phpBB/includes/update_helpers.php')

diff --git a/phpBB/includes/update_helpers.php b/phpBB/includes/update_helpers.php
new file mode 100644
index 0000000000..8e8e9670b0
--- /dev/null
+++ b/phpBB/includes/update_helpers.php
@@ -0,0 +1,112 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*/
+
+/**
+* phpBB Update Helpers
+*/
+class phpbb_update_helpers
+{
+	/**
+	* Determine the new timezone for a given phpBB 3.0 timezone and
+	* "Daylight Saving Time" option
+	*
+	*	@param	$timezone	float	Users timezone in 3.0
+	*	@param	$dst		int		Users daylight saving time
+	*	@return		string		Users new php Timezone which is used since 3.1
+	*/
+	function convert_phpbb30_timezone($timezone, $dst)
+	{
+		$offset = $timezone + $dst;
+
+		switch ($timezone)
+		{
+			case '-12':
+				return 'Etc/GMT' . $offset;		//'[UTC - 12] Baker Island Time'
+			case '-11':
+				return 'Etc/GMT' . $offset;		//'[UTC - 11] Niue Time, Samoa Standard Time'
+			case '-10':
+				return 'Etc/GMT' . $offset;		//'[UTC - 10] Hawaii-Aleutian Standard Time, Cook Island Time'
+			case '-9.5':
+				return 'Pacific/Marquesas';		//'[UTC - 9:30] Marquesas Islands Time'
+			case '-9':
+				return 'Etc/GMT' . $offset;		//'[UTC - 9] Alaska Standard Time, Gambier Island Time'
+			case '-8':
+				return 'Etc/GMT' . $offset;		//'[UTC - 8] Pacific Standard Time'
+			case '-7':
+				return 'Etc/GMT' . $offset;		//'[UTC - 7] Mountain Standard Time'
+			case '-6':
+				return 'Etc/GMT' . $offset;		//'[UTC - 6] Central Standard Time'
+			case '-5':
+				return 'Etc/GMT' . $offset;		//'[UTC - 5] Eastern Standard Time'
+			case '-4.5':
+				return 'America/Caracas';		//'[UTC - 4:30] Venezuelan Standard Time'
+			case '-4':
+				return 'Etc/GMT' . $offset;		//'[UTC - 4] Atlantic Standard Time'
+			case '-3.5':
+				return 'America/St_Johns';		//'[UTC - 3:30] Newfoundland Standard Time'
+			case '-3':
+				return 'Etc/GMT' . $offset;		//'[UTC - 3] Amazon Standard Time, Central Greenland Time'
+			case '-2':
+				return 'Etc/GMT' . $offset;		//'[UTC - 2] Fernando de Noronha Time, South Georgia &amp; the South Sandwich Islands Time'
+			case '-1':
+				return 'Etc/GMT' . $offset;		//'[UTC - 1] Azores Standard Time, Cape Verde Time, Eastern Greenland Time'
+			case '0':
+				return (!$dst) ? 'UTC' : 'Etc/GMT+1';		//'[UTC] Western European Time, Greenwich Mean Time'
+			case '1':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 1] Central European Time, West African Time'
+			case '2':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 2] Eastern European Time, Central African Time'
+			case '3':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 3] Moscow Standard Time, Eastern African Time'
+			case '3.5':
+				return 'Asia/Tehran';			//'[UTC + 3:30] Iran Standard Time'
+			case '4':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 4] Gulf Standard Time, Samara Standard Time'
+			case '4.5':
+				return 'Asia/Kabul';			//'[UTC + 4:30] Afghanistan Time'
+			case '5':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 5] Pakistan Standard Time, Yekaterinburg Standard Time'
+			case '5.5':
+				return 'Asia/Kolkata';			//'[UTC + 5:30] Indian Standard Time, Sri Lanka Time'
+			case '5.75':
+				return 'Asia/Kathmandu';		//'[UTC + 5:45] Nepal Time'
+			case '6':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 6] Bangladesh Time, Bhutan Time, Novosibirsk Standard Time'
+			case '6.5':
+				return 'Indian/Cocos';			//'[UTC + 6:30] Cocos Islands Time, Myanmar Time'
+			case '7':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 7] Indochina Time, Krasnoyarsk Standard Time'
+			case '8':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 8] Chinese Standard Time, Australian Western Standard Time, Irkutsk Standard Time'
+			case '8.75':
+				return 'Australia/Eucla';		//'[UTC + 8:45] Southeastern Western Australia Standard Time'
+			case '9':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 9] Japan Standard Time, Korea Standard Time, Chita Standard Time'
+			case '9.5':
+				return 'Australia/ACT';			//'[UTC + 9:30] Australian Central Standard Time'
+			case '10':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 10] Australian Eastern Standard Time, Vladivostok Standard Time'
+			case '10.5':
+				return 'Australia/Lord_Howe';	//'[UTC + 10:30] Lord Howe Standard Time'
+			case '11':
+				return 'Etc/GMT+' . $offset;	//'[UTC + 11] Solomon Island Time, Magadan Standard Time'
+			case '11.5':
+				return 'Pacific/Norfolk';		//'[UTC + 11:30] Norfolk Island Time'
+			case '12':
+				return 'Etc/GMT+12';			//'[UTC + 12] New Zealand Time, Fiji Time, Kamchatka Standard Time'
+			case '12.75':
+				return 'Pacific/Chatham';		//'[UTC + 12:45] Chatham Islands Time'
+			case '13':
+				return 'Pacific/Tongatapu';		//'[UTC + 13] Tonga Time, Phoenix Islands Time'
+			case '14':
+				return 'Pacific/Kiritimati';	//'[UTC + 14] Line Island Time'
+			default:
+				return 'UTC';
+		}
+	}
+}
-- 
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