forked from friendica/friendica-addons
352 lines
15 KiB
PHP
352 lines
15 KiB
PHP
<?php
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/**
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* Time zone name translation
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*
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* This file translates well-known time zone names into "Olson database" time zone names.
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*
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* @package Sabre
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* @subpackage VObject
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* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
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* @author Frank Edelhaeuser (fedel@users.sourceforge.net)
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* @author Evert Pot (http://www.rooftopsolutions.nl/)
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class Sabre_VObject_TimeZoneUtil {
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public static $map = array(
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// from http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/zone_tzid.html
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// snapshot taken on 2012/01/16
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// windows
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'AUS Central Standard Time'=>'Australia/Darwin',
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'AUS Eastern Standard Time'=>'Australia/Sydney',
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'Afghanistan Standard Time'=>'Asia/Kabul',
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'Alaskan Standard Time'=>'America/Anchorage',
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'Arab Standard Time'=>'Asia/Riyadh',
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'Arabian Standard Time'=>'Asia/Dubai',
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'Arabic Standard Time'=>'Asia/Baghdad',
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'Argentina Standard Time'=>'America/Buenos_Aires',
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'Armenian Standard Time'=>'Asia/Yerevan',
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'Atlantic Standard Time'=>'America/Halifax',
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'Azerbaijan Standard Time'=>'Asia/Baku',
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'Azores Standard Time'=>'Atlantic/Azores',
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'Bangladesh Standard Time'=>'Asia/Dhaka',
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'Canada Central Standard Time'=>'America/Regina',
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'Cape Verde Standard Time'=>'Atlantic/Cape_Verde',
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'Caucasus Standard Time'=>'Asia/Yerevan',
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'Cen. Australia Standard Time'=>'Australia/Adelaide',
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'Central America Standard Time'=>'America/Guatemala',
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'Central Asia Standard Time'=>'Asia/Almaty',
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'Central Brazilian Standard Time'=>'America/Cuiaba',
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'Central Europe Standard Time'=>'Europe/Budapest',
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'Central European Standard Time'=>'Europe/Warsaw',
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'Central Pacific Standard Time'=>'Pacific/Guadalcanal',
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'Central Standard Time'=>'America/Chicago',
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'Central Standard Time (Mexico)'=>'America/Mexico_City',
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'China Standard Time'=>'Asia/Shanghai',
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'Dateline Standard Time'=>'Etc/GMT+12',
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'E. Africa Standard Time'=>'Africa/Nairobi',
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'E. Australia Standard Time'=>'Australia/Brisbane',
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'E. Europe Standard Time'=>'Europe/Minsk',
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'E. South America Standard Time'=>'America/Sao_Paulo',
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'Eastern Standard Time'=>'America/New_York',
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'Egypt Standard Time'=>'Africa/Cairo',
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'Ekaterinburg Standard Time'=>'Asia/Yekaterinburg',
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'FLE Standard Time'=>'Europe/Kiev',
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'Fiji Standard Time'=>'Pacific/Fiji',
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'GMT Standard Time'=>'Europe/London',
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'GTB Standard Time'=>'Europe/Istanbul',
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'Georgian Standard Time'=>'Asia/Tbilisi',
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'Greenland Standard Time'=>'America/Godthab',
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'Greenwich Standard Time'=>'Atlantic/Reykjavik',
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'Hawaiian Standard Time'=>'Pacific/Honolulu',
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'India Standard Time'=>'Asia/Calcutta',
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'Iran Standard Time'=>'Asia/Tehran',
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'Israel Standard Time'=>'Asia/Jerusalem',
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'Jordan Standard Time'=>'Asia/Amman',
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'Kamchatka Standard Time'=>'Asia/Kamchatka',
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'Korea Standard Time'=>'Asia/Seoul',
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'Magadan Standard Time'=>'Asia/Magadan',
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'Mauritius Standard Time'=>'Indian/Mauritius',
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'Mexico Standard Time'=>'America/Mexico_City',
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'Mexico Standard Time 2'=>'America/Chihuahua',
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'Mid-Atlantic Standard Time'=>'Etc/GMT+2',
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'Middle East Standard Time'=>'Asia/Beirut',
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'Montevideo Standard Time'=>'America/Montevideo',
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'Morocco Standard Time'=>'Africa/Casablanca',
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'Mountain Standard Time'=>'America/Denver',
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'Mountain Standard Time (Mexico)'=>'America/Chihuahua',
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'Myanmar Standard Time'=>'Asia/Rangoon',
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'N. Central Asia Standard Time'=>'Asia/Novosibirsk',
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'Namibia Standard Time'=>'Africa/Windhoek',
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'Nepal Standard Time'=>'Asia/Katmandu',
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'New Zealand Standard Time'=>'Pacific/Auckland',
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'Newfoundland Standard Time'=>'America/St_Johns',
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'North Asia East Standard Time'=>'Asia/Irkutsk',
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'North Asia Standard Time'=>'Asia/Krasnoyarsk',
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'Pacific SA Standard Time'=>'America/Santiago',
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'Pacific Standard Time'=>'America/Los_Angeles',
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'Pacific Standard Time (Mexico)'=>'America/Santa_Isabel',
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'Pakistan Standard Time'=>'Asia/Karachi',
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'Paraguay Standard Time'=>'America/Asuncion',
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'Romance Standard Time'=>'Europe/Paris',
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'Russian Standard Time'=>'Europe/Moscow',
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'SA Eastern Standard Time'=>'America/Cayenne',
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'SA Pacific Standard Time'=>'America/Bogota',
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'SA Western Standard Time'=>'America/La_Paz',
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'SE Asia Standard Time'=>'Asia/Bangkok',
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'Samoa Standard Time'=>'Pacific/Apia',
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'Singapore Standard Time'=>'Asia/Singapore',
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'South Africa Standard Time'=>'Africa/Johannesburg',
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'Sri Lanka Standard Time'=>'Asia/Colombo',
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'Syria Standard Time'=>'Asia/Damascus',
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'Taipei Standard Time'=>'Asia/Taipei',
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'Tasmania Standard Time'=>'Australia/Hobart',
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'Tokyo Standard Time'=>'Asia/Tokyo',
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'Tonga Standard Time'=>'Pacific/Tongatapu',
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'US Eastern Standard Time'=>'America/Indianapolis',
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'US Mountain Standard Time'=>'America/Phoenix',
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'UTC'=>'Etc/GMT',
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'UTC+12'=>'Etc/GMT-12',
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'UTC-02'=>'Etc/GMT+2',
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'UTC-11'=>'Etc/GMT+11',
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'Ulaanbaatar Standard Time'=>'Asia/Ulaanbaatar',
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'Venezuela Standard Time'=>'America/Caracas',
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'Vladivostok Standard Time'=>'Asia/Vladivostok',
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'W. Australia Standard Time'=>'Australia/Perth',
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'W. Central Africa Standard Time'=>'Africa/Lagos',
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'W. Europe Standard Time'=>'Europe/Berlin',
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'West Asia Standard Time'=>'Asia/Tashkent',
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'West Pacific Standard Time'=>'Pacific/Port_Moresby',
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'Yakutsk Standard Time'=>'Asia/Yakutsk',
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// Microsoft exchange timezones
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// Source:
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// http://msdn.microsoft.com/en-us/library/ms988620%28v=exchg.65%29.aspx
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//
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// Correct timezones deduced with help from:
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// http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
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'Universal Coordinated Time' => 'UTC',
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'Casablanca, Monrovia' => 'Africa/Casablanca',
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'Greenwich Mean Time: Dublin, Edinburgh, Lisbon, London' => 'Europe/Lisbon',
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'Greenwich Mean Time; Dublin, Edinburgh, London' => 'Europe/London',
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'Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna' => 'Europe/Berlin',
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'Belgrade, Pozsony, Budapest, Ljubljana, Prague' => 'Europe/Prague',
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'Brussels, Copenhagen, Madrid, Paris' => 'Europe/Paris',
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'Paris, Madrid, Brussels, Copenhagen' => 'Europe/Paris',
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'Prague, Central Europe' => 'Europe/Prague',
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'Sarajevo, Skopje, Sofija, Vilnius, Warsaw, Zagreb' => 'Europe/Sarajevo',
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'West Central Africa' => 'Africa/Luanda', // This was a best guess
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'Athens, Istanbul, Minsk' => 'Europe/Athens',
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'Bucharest' => 'Europe/Bucharest',
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'Cairo' => 'Africa/Cairo',
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'Harare, Pretoria' => 'Africa/Harare',
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'Helsinki, Riga, Tallinn' => 'Europe/Helsinki',
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'Israel, Jerusalem Standard Time' => 'Asia/Jerusalem',
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'Baghdad' => 'Asia/Baghdad',
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'Arab, Kuwait, Riyadh' => 'Asia/Kuwait',
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'Moscow, St. Petersburg, Volgograd' => 'Europe/Moscow',
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'East Africa, Nairobi' => 'Africa/Nairobi',
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'Tehran' => 'Asia/Tehran',
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'Abu Dhabi, Muscat' => 'Asia/Muscat', // Best guess
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'Baku, Tbilisi, Yerevan' => 'Asia/Baku',
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'Kabul' => 'Asia/Kabul',
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'Ekaterinburg' => 'Asia/Yekaterinburg',
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'Islamabad, Karachi, Tashkent' => 'Asia/Karachi',
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'Kolkata, Chennai, Mumbai, New Delhi, India Standard Time' => 'Asia/Calcutta',
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'Kathmandu, Nepal' => 'Asia/Kathmandu',
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'Almaty, Novosibirsk, North Central Asia' => 'Asia/Almaty',
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'Astana, Dhaka' => 'Asia/Dhaka',
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'Sri Jayawardenepura, Sri Lanka' => 'Asia/Colombo',
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'Rangoon' => 'Asia/Rangoon',
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'Bangkok, Hanoi, Jakarta' => 'Asia/Bangkok',
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'Krasnoyarsk' => 'Asia/Krasnoyarsk',
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'Beijing, Chongqing, Hong Kong SAR, Urumqi' => 'Asia/Shanghai',
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'Irkutsk, Ulaan Bataar' => 'Asia/Irkutsk',
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'Kuala Lumpur, Singapore' => 'Asia/Singapore',
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'Perth, Western Australia' => 'Australia/Perth',
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'Taipei' => 'Asia/Taipei',
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'Osaka, Sapporo, Tokyo' => 'Asia/Tokyo',
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'Seoul, Korea Standard time' => 'Asia/Seoul',
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'Yakutsk' => 'Asia/Yakutsk',
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'Adelaide, Central Australia' => 'Australia/Adelaide',
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'Darwin' => 'Australia/Darwin',
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'Brisbane, East Australia' => 'Australia/Brisbane',
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'Canberra, Melbourne, Sydney, Hobart (year 2000 only)' => 'Australia/Sydney',
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'Guam, Port Moresby' => 'Pacific/Guam',
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'Hobart, Tasmania' => 'Australia/Hobart',
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'Vladivostok' => 'Asia/Vladivostok',
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'Magadan, Solomon Is., New Caledonia' => 'Asia/Magadan',
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'Auckland, Wellington' => 'Pacific/Auckland',
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'Fiji Islands, Kamchatka, Marshall Is.' => 'Pacific/Fiji',
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'Nuku\'alofa, Tonga' => 'Pacific/Tongatapu',
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'Azores' => 'Atlantic/Azores',
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'Cape Verde Is.' => 'Atlantic/Cape_Verde',
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'Mid-Atlantic' => 'America/Noronha',
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'Brasilia' => 'America/Sao_Paulo', // Best guess
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'Buenos Aires' => 'America/Argentina/Buenos_Aires',
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'Greenland' => 'America/Godthab',
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'Newfoundland' => 'America/St_Johns',
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'Atlantic Time (Canada)' => 'America/Halifax',
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'Caracas, La Paz' => 'America/Caracas',
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'Santiago' => 'America/Santiago',
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'Bogota, Lima, Quito' => 'America/Bogota',
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'Eastern Time (US & Canada)' => 'America/New_York',
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'Indiana (East)' => 'America/Indiana/Indianapolis',
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'Central America' => 'America/Guatemala',
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'Central Time (US & Canada)' => 'America/Chicago',
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'Mexico City, Tegucigalpa' => 'America/Mexico_City',
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'Saskatchewan' => 'America/Edmonton',
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'Arizona' => 'America/Phoenix',
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'Mountain Time (US & Canada)' => 'America/Denver', // Best guess
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'Pacific Time (US & Canada); Tijuana' => 'America/Los_Angeles', // Best guess
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'Alaska' => 'America/Anchorage',
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'Hawaii' => 'Pacific/Honolulu',
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'Midway Island, Samoa' => 'Pacific/Midway',
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'Eniwetok, Kwajalein, Dateline Time' => 'Pacific/Kwajalein',
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);
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public static $microsoftExchangeMap = array(
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0 => 'UTC',
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31 => 'Africa/Casablanca',
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2 => 'Europe/Lisbon',
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1 => 'Europe/London',
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4 => 'Europe/Berlin',
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6 => 'Europe/Prague',
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3 => 'Europe/Paris',
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69 => 'Africa/Luanda', // This was a best guess
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7 => 'Europe/Athens',
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5 => 'Europe/Bucharest',
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49 => 'Africa/Cairo',
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50 => 'Africa/Harare',
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59 => 'Europe/Helsinki',
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27 => 'Asia/Jerusalem',
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26 => 'Asia/Baghdad',
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74 => 'Asia/Kuwait',
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51 => 'Europe/Moscow',
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56 => 'Africa/Nairobi',
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25 => 'Asia/Tehran',
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24 => 'Asia/Muscat', // Best guess
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54 => 'Asia/Baku',
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48 => 'Asia/Kabul',
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58 => 'Asia/Yekaterinburg',
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47 => 'Asia/Karachi',
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23 => 'Asia/Calcutta',
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62 => 'Asia/Kathmandu',
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46 => 'Asia/Almaty',
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71 => 'Asia/Dhaka',
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66 => 'Asia/Colombo',
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61 => 'Asia/Rangoon',
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22 => 'Asia/Bangkok',
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64 => 'Asia/Krasnoyarsk',
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45 => 'Asia/Shanghai',
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63 => 'Asia/Irkutsk',
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21 => 'Asia/Singapore',
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73 => 'Australia/Perth',
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75 => 'Asia/Taipei',
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20 => 'Asia/Tokyo',
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72 => 'Asia/Seoul',
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70 => 'Asia/Yakutsk',
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19 => 'Australia/Adelaide',
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44 => 'Australia/Darwin',
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18 => 'Australia/Brisbane',
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76 => 'Australia/Sydney',
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43 => 'Pacific/Guam',
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42 => 'Australia/Hobart',
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68 => 'Asia/Vladivostok',
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41 => 'Asia/Magadan',
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17 => 'Pacific/Auckland',
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40 => 'Pacific/Fiji',
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67 => 'Pacific/Tongatapu',
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29 => 'Atlantic/Azores',
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53 => 'Atlantic/Cape_Verde',
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30 => 'America/Noronha',
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8 => 'America/Sao_Paulo', // Best guess
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32 => 'America/Argentina/Buenos_Aires',
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69 => 'America/Godthab',
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28 => 'America/St_Johns',
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9 => 'America/Halifax',
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33 => 'America/Caracas',
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65 => 'America/Santiago',
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35 => 'America/Bogota',
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10 => 'America/New_York',
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34 => 'America/Indiana/Indianapolis',
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55 => 'America/Guatemala',
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11 => 'America/Chicago',
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37 => 'America/Mexico_City',
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36 => 'America/Edmonton',
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38 => 'America/Phoenix',
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12 => 'America/Denver', // Best guess
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13 => 'America/Los_Angeles', // Best guess
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14 => 'America/Anchorage',
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15 => 'Pacific/Honolulu',
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16 => 'Pacific/Midway',
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39 => 'Pacific/Kwajalein',
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);
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/**
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* This method will try to find out the correct timezone for an iCalendar
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* date-time value.
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*
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* You must pass the contents of the TZID parameter, as well as the full
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* calendar.
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*
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* If the lookup fails, this method will return UTC.
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*
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* @param string $tzid
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* @param Sabre_VObject_Component $vcalendar
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* @return DateTimeZone
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*/
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static public function getTimeZone($tzid, Sabre_VObject_Component $vcalendar = null) {
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// First we will just see if the tzid is a support timezone identifier.
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try {
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return new DateTimeZone($tzid);
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} catch (\Exception $e) {
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}
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// Next, we check if the tzid is somewhere in our tzid map.
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if (isset(self::$map[$tzid])) {
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return new DateTimeZone(self::$map[$tzid]);
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}
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if ($vcalendar) {
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// If that didn't work, we will scan VTIMEZONE objects
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foreach($vcalendar->select('VTIMEZONE') as $vtimezone) {
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if ((string)$vtimezone->TZID === $tzid) {
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// Some clients add 'X-LIC-LOCATION' with the olson name.
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if (isset($vtimezone->{'X-LIC-LOCATION'})) {
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try {
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return new DateTimeZone($vtimezone->{'X-LIC-LOCATION'});
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} catch (\Exception $e) {
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}
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}
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// Microsoft may add a magic number, which we also have an
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// answer for.
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if (isset($vtimezone->{'X-MICROSOFT-CDO-TZID'})) {
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if (isset(self::$microsoftExchangeMap[(int)$vtimezone->{'X-MICROSOFT-CDO-TZID'}->value])) {
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return new DateTimeZone(self::$microsoftExchangeMap[(int)$vtimezone->{'X-MICROSOFT-CDO-TZID'}->value]);
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}
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}
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}
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}
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}
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// If we got all the way here, we default to UTC.
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return new DateTimeZone(date_default_timezone_get());
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}
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}
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