528 lines
23 KiB
PHP
528 lines
23 KiB
PHP
<?php
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namespace Sabre\VObject;
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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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* @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
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* @author Frank Edelhaeuser (fedel@users.sourceforge.net)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class 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+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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// The following list are timezone names that could be generated by
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// Lotus / Domino
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'Dateline' => 'Etc/GMT-12',
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'Samoa' => 'Pacific/Apia',
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'Hawaiian' => 'Pacific/Honolulu',
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'Alaskan' => 'America/Anchorage',
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'Pacific' => 'America/Los_Angeles',
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'Pacific Standard Time' => 'America/Los_Angeles',
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'Mexico Standard Time 2' => 'America/Chihuahua',
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'Mountain' => 'America/Denver',
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'Mountain Standard Time' => 'America/Chihuahua',
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'US Mountain' => 'America/Phoenix',
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'Canada Central' => 'America/Edmonton',
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'Central America' => 'America/Guatemala',
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'Central' => 'America/Chicago',
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'Central Standard Time' => 'America/Mexico_City',
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'Mexico' => 'America/Mexico_City',
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'Eastern' => 'America/New_York',
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'SA Pacific' => 'America/Bogota',
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'US Eastern' => 'America/Indiana/Indianapolis',
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'Venezuela' => 'America/Caracas',
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'Atlantic' => 'America/Halifax',
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'Central Brazilian' => 'America/Manaus',
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'Pacific SA' => 'America/Santiago',
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'SA Western' => 'America/La_Paz',
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'Newfoundland' => 'America/St_Johns',
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'Argentina' => 'America/Argentina/Buenos_Aires',
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'E. South America' => 'America/Belem',
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'Greenland' => 'America/Godthab',
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'Montevideo' => 'America/Montevideo',
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'SA Eastern' => 'America/Belem',
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'Mid-Atlantic' => 'Etc/GMT-2',
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'Azores' => 'Atlantic/Azores',
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'Cape Verde' => 'Atlantic/Cape_Verde',
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'Greenwich' => 'Atlantic/Reykjavik', // No I'm serious.. Greenwich is not GMT.
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'Morocco' => 'Africa/Casablanca',
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'Central Europe' => 'Europe/Prague',
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'Central European' => 'Europe/Sarajevo',
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'Romance' => 'Europe/Paris',
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'W. Central Africa' => 'Africa/Lagos', // Best guess
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'W. Europe' => 'Europe/Amsterdam',
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'E. Europe' => 'Europe/Minsk',
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'Egypt' => 'Africa/Cairo',
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'FLE' => 'Europe/Helsinki',
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'GTB' => 'Europe/Athens',
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'Israel' => 'Asia/Jerusalem',
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'Jordan' => 'Asia/Amman',
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'Middle East' => 'Asia/Beirut',
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'Namibia' => 'Africa/Windhoek',
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'South Africa' => 'Africa/Harare',
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'Arab' => 'Asia/Kuwait',
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'Arabic' => 'Asia/Baghdad',
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'E. Africa' => 'Africa/Nairobi',
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'Georgian' => 'Asia/Tbilisi',
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'Russian' => 'Europe/Moscow',
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'Iran' => 'Asia/Tehran',
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'Arabian' => 'Asia/Muscat',
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'Armenian' => 'Asia/Yerevan',
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'Azerbijan' => 'Asia/Baku',
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'Caucasus' => 'Asia/Yerevan',
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'Mauritius' => 'Indian/Mauritius',
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'Afghanistan' => 'Asia/Kabul',
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'Ekaterinburg' => 'Asia/Yekaterinburg',
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'Pakistan' => 'Asia/Karachi',
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'West Asia' => 'Asia/Tashkent',
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'India' => 'Asia/Calcutta',
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'Sri Lanka' => 'Asia/Colombo',
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'Nepal' => 'Asia/Kathmandu',
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'Central Asia' => 'Asia/Dhaka',
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'N. Central Asia' => 'Asia/Almaty',
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'Myanmar' => 'Asia/Rangoon',
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'North Asia' => 'Asia/Krasnoyarsk',
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'SE Asia' => 'Asia/Bangkok',
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'China' => 'Asia/Shanghai',
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'North Asia East' => 'Asia/Irkutsk',
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'Singapore' => 'Asia/Singapore',
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'Taipei' => 'Asia/Taipei',
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'W. Australia' => 'Australia/Perth',
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'Korea' => 'Asia/Seoul',
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'Tokyo' => 'Asia/Tokyo',
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'Yakutsk' => 'Asia/Yakutsk',
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'AUS Central' => 'Australia/Darwin',
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'Cen. Australia' => 'Australia/Adelaide',
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'AUS Eastern' => 'Australia/Sydney',
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'E. Australia' => 'Australia/Brisbane',
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'Tasmania' => 'Australia/Hobart',
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'Vladivostok' => 'Asia/Vladivostok',
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'West Pacific' => 'Pacific/Guam',
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'Central Pacific' => 'Asia/Magadan',
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'Fiji' => 'Pacific/Fiji',
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'New Zealand' => 'Pacific/Auckland',
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'Tonga' => 'Pacific/Tongatapu',
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// PHP 5.5.10 failed on a few timezones that were valid before. We're
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// normalizing them here.
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'CST6CDT' => 'America/Chicago',
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'Cuba' => 'America/Havana',
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'Egypt' => 'Africa/Cairo',
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'Eire' => 'Europe/Dublin',
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'EST5EDT' => 'America/New_York',
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'Factory' => 'UTC',
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'GB-Eire' => 'Europe/London',
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'GMT0' => 'UTC',
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'Greenwich' => 'UTC',
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'Hongkong' => 'Asia/Hong_Kong',
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'Iceland' => 'Atlantic/Reykjavik',
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'Iran' => 'Asia/Tehran',
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'Israel' => 'Asia/Jerusalem',
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'Jamaica' => 'America/Jamaica',
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'Japan' => 'Asia/Tokyo',
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'Kwajalein' => 'Pacific/Kwajalein',
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'Libya' => 'Africa/Tripoli',
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'MST7MDT' => 'America/Denver',
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'Navajo' => 'America/Denver',
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'NZ-CHAT' => 'Pacific/Chatham',
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'Poland' => 'Europe/Warsaw',
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'Portugal' => 'Europe/Lisbon',
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'PST8PDT' => 'America/Los_Angeles',
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'Singapore' => 'Asia/Singapore',
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'Turkey' => 'Europe/Istanbul',
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'Universal' => 'UTC',
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'W-SU' => 'Europe/Moscow',
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);
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/**
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* List of microsoft exchange timezone ids.
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*
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* Source: http://msdn.microsoft.com/en-us/library/aa563018(loband).aspx
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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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// Insanely, id #2 is used for both Europe/Lisbon, and Europe/Sarajevo.
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// I'm not even kidding.. We handle this special case in the
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// getTimeZone method.
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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
|
|
32 => 'America/Argentina/Buenos_Aires',
|
|
60 => 'America/Godthab',
|
|
28 => 'America/St_Johns',
|
|
9 => 'America/Halifax',
|
|
33 => 'America/Caracas',
|
|
65 => 'America/Santiago',
|
|
35 => 'America/Bogota',
|
|
10 => 'America/New_York',
|
|
34 => 'America/Indiana/Indianapolis',
|
|
55 => 'America/Guatemala',
|
|
11 => 'America/Chicago',
|
|
37 => 'America/Mexico_City',
|
|
36 => 'America/Edmonton',
|
|
38 => 'America/Phoenix',
|
|
12 => 'America/Denver', // Best guess
|
|
13 => 'America/Los_Angeles', // Best guess
|
|
14 => 'America/Anchorage',
|
|
15 => 'Pacific/Honolulu',
|
|
16 => 'Pacific/Midway',
|
|
39 => 'Pacific/Kwajalein',
|
|
);
|
|
|
|
/**
|
|
* This method will try to find out the correct timezone for an iCalendar
|
|
* date-time value.
|
|
*
|
|
* You must pass the contents of the TZID parameter, as well as the full
|
|
* calendar.
|
|
*
|
|
* If the lookup fails, this method will return the default PHP timezone
|
|
* (as configured using date_default_timezone_set, or the date.timezone ini
|
|
* setting).
|
|
*
|
|
* Alternatively, if $failIfUncertain is set to true, it will throw an
|
|
* exception if we cannot accurately determine the timezone.
|
|
*
|
|
* @param string $tzid
|
|
* @param Sabre\VObject\Component $vcalendar
|
|
* @return DateTimeZone
|
|
*/
|
|
static public function getTimeZone($tzid, Component $vcalendar = null, $failIfUncertain = false) {
|
|
|
|
// First we will just see if the tzid is a support timezone identifier.
|
|
//
|
|
// The only exception is if the timezone starts with (. This is to
|
|
// handle cases where certain microsoft products generate timezone
|
|
// identifiers that for instance look like:
|
|
//
|
|
// (GMT+01.00) Sarajevo/Warsaw/Zagreb
|
|
//
|
|
// Since PHP 5.5.10, the first bit will be used as the timezone and
|
|
// this method will return just GMT+01:00. This is wrong, because it
|
|
// doesn't take DST into account.
|
|
if ($tzid[0]!=='(') {
|
|
try {
|
|
return new \DateTimeZone($tzid);
|
|
} catch (\Exception $e) {
|
|
}
|
|
}
|
|
|
|
// Next, we check if the tzid is somewhere in our tzid map.
|
|
if (isset(self::$map[$tzid])) {
|
|
return new \DateTimeZone(self::$map[$tzid]);
|
|
}
|
|
|
|
// Maybe the author was hyper-lazy and just included an offset. We
|
|
// support it, but we aren't happy about it.
|
|
//
|
|
// Note that the path in the source will never be taken from PHP 5.5.10
|
|
// onwards. PHP 5.5.10 supports the "GMT+0100" style of format, so it
|
|
// already gets returned early in this function. Once we drop support
|
|
// for versions under PHP 5.5.10, this bit can be taken out of the
|
|
// source.
|
|
if (preg_match('/^GMT(\+|-)([0-9]{4})$/', $tzid, $matches)) {
|
|
return new \DateTimeZone('Etc/GMT' . $matches[1] . ltrim(substr($matches[2],0,2),'0'));
|
|
}
|
|
|
|
if ($vcalendar) {
|
|
|
|
// If that didn't work, we will scan VTIMEZONE objects
|
|
foreach($vcalendar->select('VTIMEZONE') as $vtimezone) {
|
|
|
|
if ((string)$vtimezone->TZID === $tzid) {
|
|
|
|
// Some clients add 'X-LIC-LOCATION' with the olson name.
|
|
if (isset($vtimezone->{'X-LIC-LOCATION'})) {
|
|
|
|
$lic = (string)$vtimezone->{'X-LIC-LOCATION'};
|
|
|
|
// Libical generators may specify strings like
|
|
// "SystemV/EST5EDT". For those we must remove the
|
|
// SystemV part.
|
|
if (substr($lic,0,8)==='SystemV/') {
|
|
$lic = substr($lic,8);
|
|
}
|
|
|
|
return self::getTimeZone($lic, null, $failIfUncertain);
|
|
|
|
}
|
|
// Microsoft may add a magic number, which we also have an
|
|
// answer for.
|
|
if (isset($vtimezone->{'X-MICROSOFT-CDO-TZID'})) {
|
|
$cdoId = (int)$vtimezone->{'X-MICROSOFT-CDO-TZID'}->value;
|
|
|
|
// 2 can mean both Europe/Lisbon and Europe/Sarajevo.
|
|
if ($cdoId===2 && strpos((string)$vtimezone->TZID, 'Sarajevo')!==false) {
|
|
return new \DateTimeZone('Europe/Sarajevo');
|
|
}
|
|
|
|
if (isset(self::$microsoftExchangeMap[$cdoId])) {
|
|
return new \DateTimeZone(self::$microsoftExchangeMap[$cdoId]);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ($failIfUncertain) {
|
|
throw new \InvalidArgumentException('We were unable to determine the correct PHP timezone for tzid: ' . $tzid);
|
|
}
|
|
|
|
// If we got all the way here, we default to UTC.
|
|
return new \DateTimeZone(date_default_timezone_get());
|
|
|
|
}
|
|
|
|
}
|