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Editing: TimeZoneFactory.php
<?php declare(strict_types=1); /** * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors * SPDX-License-Identifier: AGPL-3.0-or-later */ namespace OCA\DAV\CalDAV; use DateTimeZone; /** * Class to generate DateTimeZone object with automated Microsoft and IANA handling * * @since 31.0.0 */ class TimeZoneFactory { /** * conversion table of Microsoft time zones to IANA time zones * * @var array<string,string> MS2IANA */ private const MS2IANA = [ 'AUS Central Standard Time' => 'Australia/Darwin', 'Aus Central W. Standard Time' => 'Australia/Eucla', 'AUS Eastern Standard Time' => 'Australia/Sydney', 'Afghanistan Standard Time' => 'Asia/Kabul', 'Alaskan Standard Time' => 'America/Anchorage', 'Aleutian Standard Time' => 'America/Adak', 'Altai Standard Time' => 'Asia/Barnaul', 'Arab Standard Time' => 'Asia/Riyadh', 'Arabian Standard Time' => 'Asia/Dubai', 'Arabic Standard Time' => 'Asia/Baghdad', 'Argentina Standard Time' => 'America/Buenos_Aires', 'Astrakhan Standard Time' => 'Europe/Astrakhan', 'Atlantic Standard Time' => 'America/Halifax', 'Azerbaijan Standard Time' => 'Asia/Baku', 'Azores Standard Time' => 'Atlantic/Azores', 'Bahia Standard Time' => 'America/Bahia', 'Bangladesh Standard Time' => 'Asia/Dhaka', 'Belarus Standard Time' => 'Europe/Minsk', 'Bougainville Standard Time' => 'Pacific/Bougainville', 'Cape Verde Standard Time' => 'Atlantic/Cape_Verde', 'Canada Central Standard Time' => 'America/Regina', 'Caucasus Standard Time' => 'Asia/Yerevan', 'Cen. Australia Standard Time' => 'Australia/Adelaide', 'Central America Standard Time' => 'America/Guatemala', 'Central Asia Standard Time' => 'Asia/Almaty', 'Central Brazilian Standard Time' => 'America/Cuiaba', 'Central Europe Standard Time' => 'Europe/Budapest', 'Central European Standard Time' => 'Europe/Warsaw', 'Central Pacific Standard Time' => 'Pacific/Guadalcanal', 'Central Standard Time' => 'America/Chicago', 'Central Standard Time (Mexico)' => 'America/Mexico_City', 'Chatham Islands Standard Time' => 'Pacific/Chatham', 'China Standard Time' => 'Asia/Shanghai', 'Coordinated Universal Time' => 'UTC', 'Cuba Standard Time' => 'America/Havana', 'Dateline Standard Time' => 'Etc/GMT+12', 'E. Africa Standard Time' => 'Africa/Nairobi', 'E. Australia Standard Time' => 'Australia/Brisbane', 'E. Europe Standard Time' => 'Europe/Chisinau', 'E. South America Standard Time' => 'America/Sao_Paulo', 'Easter Island Standard Time' => 'Pacific/Easter', 'Eastern Standard Time' => 'America/Toronto', 'Eastern Standard Time (Mexico)' => 'America/Cancun', 'Egypt Standard Time' => 'Africa/Cairo', 'Ekaterinburg Standard Time' => 'Asia/Yekaterinburg', 'FLE Standard Time' => 'Europe/Kiev', 'Fiji Standard Time' => 'Pacific/Fiji', 'GMT Standard Time' => 'Europe/London', 'GTB Standard Time' => 'Europe/Bucharest', 'Georgian Standard Time' => 'Asia/Tbilisi', 'Greenland Standard Time' => 'America/Godthab', 'Greenland (Danmarkshavn)' => 'America/Godthab', 'Greenwich Standard Time' => 'Atlantic/Reykjavik', 'Haiti Standard Time' => 'America/Port-au-Prince', 'Hawaiian Standard Time' => 'Pacific/Honolulu', 'India Standard Time' => 'Asia/Kolkata', 'Iran Standard Time' => 'Asia/Tehran', 'Israel Standard Time' => 'Asia/Jerusalem', 'Jordan Standard Time' => 'Asia/Amman', 'Kaliningrad Standard Time' => 'Europe/Kaliningrad', 'Kamchatka Standard Time' => 'Asia/Kamchatka', 'Korea Standard Time' => 'Asia/Seoul', 'Libya Standard Time' => 'Africa/Tripoli', 'Line Islands Standard Time' => 'Pacific/Kiritimati', 'Lord Howe Standard Time' => 'Australia/Lord_Howe', 'Magadan Standard Time' => 'Asia/Magadan', 'Magallanes Standard Time' => 'America/Punta_Arenas', 'Malaysia Standard Time' => 'Asia/Kuala_Lumpur', 'Marquesas Standard Time' => 'Pacific/Marquesas', 'Mauritius Standard Time' => 'Indian/Mauritius', 'Mid-Atlantic Standard Time' => 'Atlantic/South_Georgia', 'Middle East Standard Time' => 'Asia/Beirut', 'Montevideo Standard Time' => 'America/Montevideo', 'Morocco Standard Time' => 'Africa/Casablanca', 'Mountain Standard Time' => 'America/Denver', 'Mountain Standard Time (Mexico)' => 'America/Chihuahua', 'Myanmar Standard Time' => 'Asia/Rangoon', 'N. Central Asia Standard Time' => 'Asia/Novosibirsk', 'Namibia Standard Time' => 'Africa/Windhoek', 'Nepal Standard Time' => 'Asia/Kathmandu', 'New Zealand Standard Time' => 'Pacific/Auckland', 'Newfoundland Standard Time' => 'America/St_Johns', 'Norfolk Standard Time' => 'Pacific/Norfolk', 'North Asia East Standard Time' => 'Asia/Irkutsk', 'North Asia Standard Time' => 'Asia/Krasnoyarsk', 'North Korea Standard Time' => 'Asia/Pyongyang', 'Omsk Standard Time' => 'Asia/Omsk', 'Pacific SA Standard Time' => 'America/Santiago', 'Pacific Standard Time' => 'America/Los_Angeles', 'Pacific Standard Time (Mexico)' => 'America/Tijuana', 'Pakistan Standard Time' => 'Asia/Karachi', 'Paraguay Standard Time' => 'America/Asuncion', 'Qyzylorda Standard Time' => 'Asia/Qyzylorda', 'Romance Standard Time' => 'Europe/Paris', 'Russian Standard Time' => 'Europe/Moscow', 'Russia Time Zone 10' => 'Asia/Srednekolymsk', 'Russia Time Zone 3' => 'Europe/Samara', 'SA Eastern Standard Time' => 'America/Cayenne', 'SA Pacific Standard Time' => 'America/Bogota', 'SA Western Standard Time' => 'America/La_Paz', 'SE Asia Standard Time' => 'Asia/Bangkok', 'Saint Pierre Standard Time' => 'America/Miquelon', 'Sakhalin Standard Time' => 'Asia/Sakhalin', 'Samoa Standard Time' => 'Pacific/Apia', 'Sao Tome Standard Time' => 'Africa/Sao_Tome', 'Saratov Standard Time' => 'Europe/Saratov', 'Singapore Standard Time' => 'Asia/Singapore', 'South Africa Standard Time' => 'Africa/Johannesburg', 'South Sudan Standard Time' => 'Africa/Juba', 'Sri Lanka Standard Time' => 'Asia/Colombo', 'Sudan Standard Time' => 'Africa/Khartoum', 'Syria Standard Time' => 'Asia/Damascus', 'Taipei Standard Time' => 'Asia/Taipei', 'Tasmania Standard Time' => 'Australia/Hobart', 'Tocantins Standard Time' => 'America/Araguaina', 'Tokyo Standard Time' => 'Asia/Tokyo', 'Tomsk Standard Time' => 'Asia/Tomsk', 'Tonga Standard Time' => 'Pacific/Tongatapu', 'Transbaikal Standard Time' => 'Asia/Chita', 'Turkey Standard Time' => 'Europe/Istanbul', 'Turks And Caicos Standard Time' => 'America/Grand_Turk', 'US Eastern Standard Time' => 'America/Indianapolis', 'US Mountain Standard Time' => 'America/Phoenix', 'UTC' => 'Etc/GMT', 'UTC+13' => 'Etc/GMT-13', 'UTC+12' => 'Etc/GMT-12', 'UTC-02' => 'Etc/GMT+2', 'UTC-09' => 'Etc/GMT+9', 'UTC-11' => 'Etc/GMT+11', 'Ulaanbaatar Standard Time' => 'Asia/Ulaanbaatar', 'Venezuela Standard Time' => 'America/Caracas', 'Vladivostok Standard Time' => 'Asia/Vladivostok', 'Volgograd Standard Time' => 'Europe/Volgograd', 'W. Australia Standard Time' => 'Australia/Perth', 'W. Central Africa Standard Time' => 'Africa/Lagos', 'W. Europe Standard Time' => 'Europe/Berlin', 'W. Mongolia Standard Time' => 'Asia/Hovd', 'West Asia Standard Time' => 'Asia/Tashkent', 'West Bank Standard Time' => 'Asia/Hebron', 'West Pacific Standard Time' => 'Pacific/Port_Moresby', 'West Samoa Standard Time' => 'Pacific/Apia', 'Yakutsk Standard Time' => 'Asia/Yakutsk', 'Yukon Standard Time' => 'America/Whitehorse', 'Yekaterinburg Standard Time' => 'Asia/Yekaterinburg', ]; /** * Determines if given time zone name is a Microsoft time zone * * @since 31.0.0 * * @param string $name time zone name * * @return bool */ public static function isMS(string $name): bool { return isset(self::MS2IANA[$name]); } /** * Converts Microsoft time zone name to IANA time zone name * * @since 31.0.0 * * @param string $name microsoft time zone * * @return string|null valid IANA time zone name on success, or null on failure */ public static function toIANA(string $name): ?string { return isset(self::MS2IANA[$name]) ? self::MS2IANA[$name] : null; } /** * Generates DateTimeZone object for given time zone name * * @since 31.0.0 * * @param string $name time zone name * * @return DateTimeZone|null */ public function fromName(string $name): ?DateTimeZone { // if zone name is MS convert to IANA, otherwise just assume the zone is IANA $zone = @timezone_open(self::toIANA($name) ?? $name); return ($zone instanceof DateTimeZone) ? $zone : null; } }
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