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656d2c34e0
They have the invers offset of their name. So GMT+2 has the offset -7200. To avoid additional confusion, we simply overwrite their name. PHPBB3-11002
113 lines
4.6 KiB
PHP
113 lines
4.6 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @copyright (c) 2012 phpBB Group
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
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*/
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/**
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* phpBB Update Helpers
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*/
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class phpbb_update_helpers
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{
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/**
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* Determine the new timezone for a given phpBB 3.0 timezone and
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* "Daylight Saving Time" option
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*
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* @param $timezone float Users timezone in 3.0
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* @param $dst int Users daylight saving time
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* @return string Users new php Timezone which is used since 3.1
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*/
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function convert_phpbb30_timezone($timezone, $dst)
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{
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$offset = $timezone + $dst;
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switch ($timezone)
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{
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case '-12':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 12] Baker Island Time'
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case '-11':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 11] Niue Time, Samoa Standard Time'
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case '-10':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 10] Hawaii-Aleutian Standard Time, Cook Island Time'
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case '-9.5':
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return 'Pacific/Marquesas'; //'[UTC - 9:30] Marquesas Islands Time'
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case '-9':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 9] Alaska Standard Time, Gambier Island Time'
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case '-8':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 8] Pacific Standard Time'
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case '-7':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 7] Mountain Standard Time'
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case '-6':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 6] Central Standard Time'
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case '-5':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 5] Eastern Standard Time'
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case '-4.5':
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return 'America/Caracas'; //'[UTC - 4:30] Venezuelan Standard Time'
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case '-4':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 4] Atlantic Standard Time'
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case '-3.5':
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return 'America/St_Johns'; //'[UTC - 3:30] Newfoundland Standard Time'
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case '-3':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 3] Amazon Standard Time, Central Greenland Time'
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case '-2':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 2] Fernando de Noronha Time, South Georgia & the South Sandwich Islands Time'
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case '-1':
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return 'Etc/GMT+' . abs($offset); //'[UTC - 1] Azores Standard Time, Cape Verde Time, Eastern Greenland Time'
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case '0':
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return (!$dst) ? 'UTC' : 'Etc/GMT-1'; //'[UTC] Western European Time, Greenwich Mean Time'
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case '1':
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return 'Etc/GMT-' . $offset; //'[UTC + 1] Central European Time, West African Time'
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case '2':
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return 'Etc/GMT-' . $offset; //'[UTC + 2] Eastern European Time, Central African Time'
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case '3':
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return 'Etc/GMT-' . $offset; //'[UTC + 3] Moscow Standard Time, Eastern African Time'
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case '3.5':
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return 'Asia/Tehran'; //'[UTC + 3:30] Iran Standard Time'
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case '4':
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return 'Etc/GMT-' . $offset; //'[UTC + 4] Gulf Standard Time, Samara Standard Time'
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case '4.5':
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return 'Asia/Kabul'; //'[UTC + 4:30] Afghanistan Time'
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case '5':
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return 'Etc/GMT-' . $offset; //'[UTC + 5] Pakistan Standard Time, Yekaterinburg Standard Time'
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case '5.5':
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return 'Asia/Kolkata'; //'[UTC + 5:30] Indian Standard Time, Sri Lanka Time'
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case '5.75':
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return 'Asia/Kathmandu'; //'[UTC + 5:45] Nepal Time'
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case '6':
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return 'Etc/GMT-' . $offset; //'[UTC + 6] Bangladesh Time, Bhutan Time, Novosibirsk Standard Time'
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case '6.5':
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return 'Indian/Cocos'; //'[UTC + 6:30] Cocos Islands Time, Myanmar Time'
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case '7':
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return 'Etc/GMT-' . $offset; //'[UTC + 7] Indochina Time, Krasnoyarsk Standard Time'
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case '8':
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return 'Etc/GMT-' . $offset; //'[UTC + 8] Chinese Standard Time, Australian Western Standard Time, Irkutsk Standard Time'
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case '8.75':
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return 'Australia/Eucla'; //'[UTC + 8:45] Southeastern Western Australia Standard Time'
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case '9':
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return 'Etc/GMT-' . $offset; //'[UTC + 9] Japan Standard Time, Korea Standard Time, Chita Standard Time'
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case '9.5':
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return 'Australia/ACT'; //'[UTC + 9:30] Australian Central Standard Time'
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case '10':
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return 'Etc/GMT-' . $offset; //'[UTC + 10] Australian Eastern Standard Time, Vladivostok Standard Time'
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case '10.5':
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return 'Australia/Lord_Howe'; //'[UTC + 10:30] Lord Howe Standard Time'
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case '11':
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return 'Etc/GMT-' . $offset; //'[UTC + 11] Solomon Island Time, Magadan Standard Time'
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case '11.5':
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return 'Pacific/Norfolk'; //'[UTC + 11:30] Norfolk Island Time'
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case '12':
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return 'Etc/GMT-12'; //'[UTC + 12] New Zealand Time, Fiji Time, Kamchatka Standard Time'
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case '12.75':
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return 'Pacific/Chatham'; //'[UTC + 12:45] Chatham Islands Time'
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case '13':
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return 'Pacific/Tongatapu'; //'[UTC + 13] Tonga Time, Phoenix Islands Time'
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case '14':
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return 'Pacific/Kiritimati'; //'[UTC + 14] Line Island Time'
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default:
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return 'UTC';
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}
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}
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}
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