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116 lines (98 loc) · 3.48 KB
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Intl;
use Symfony\Component\Intl\Exception\MissingResourceException;
use Symfony\Component\Intl\Exception\RuntimeException;
/**
* Gives access to timezone-related ICU data.<
8F74
/div>
*
* @author Roland Franssen <franssen.roland@gmail.com>
*/
final class Timezones extends ResourceBundle
{
/**
* @return string[]
*/
public static function getIds(): array
{
return self::readEntry(['Zones'], 'meta');
}
public static function exists(string $timezone): bool
{
try {
self::readEntry(['Names', $timezone]);
return true;
} catch (MissingResourceException) {
try {
new \DateTimeZone($timezone);
return true;
} catch (\Exception) {
return false;
}
}
}
/**
* @throws MissingResourceException if the timezone identifier does not exist or is an alias
*/
public static function getName(string $timezone, ?string $displayLocale = null): string
{
return self::readEntry(['Names', $timezone], $displayLocale);
}
/**
* @return string[]
*/
public static function getNames(?string $displayLocale = null): array
{
return self::asort(self::readEntry(['Names'], $displayLocale), $displayLocale);
}
/**
* @throws \Exception if the timezone identifier does not exist
* @throws RuntimeException if there's no timezone DST transition information available
*/
public static function getRawOffset(string $timezone, ?int $timestamp = null): int
{
$dateTimeImmutable = new \DateTimeImmutable(date('Y-m-d H:i:s', $timestamp ?? time()), new \DateTimeZone($timezone));
return $dateTimeImmutable->getOffset();
}
public static function getGmtOffset(string $timezone, ?int $timestamp = null, ?string $displayLocale = null): string
{
$offset = self::getRawOffset($timezone, $timestamp);
$abs = abs($offset);
return \sprintf(self::readEntry(['Meta', 'GmtFormat'], $displayLocale), \sprintf(self::readEntry(['Meta', 'HourFormat'.(0 <= $offset ? 'Pos' : 'Neg')], $displayLocale), $abs / 3600, $abs / 60 % 60));
}
/**
* @throws MissingResourceException if the timezone identifier has no associated country code
*/
public static function getCountryCode(string $timezone): string
{
return self::readEntry(['ZoneToCountry', $timezone], 'meta');
}
/**
* @throws MissingResourceException if the country code does not exist
*/
public static function forCountryCode(string $country): array
{
try {
return self::readEntry(['CountryToZone', $country], 'meta');
} catch (MissingResourceException $e) {
if (Countries::exists($country)) {
return [];
}
if (Countries::exists(strtoupper($country))) {
throw new MissingResourceException(\sprintf('Country codes must be in uppercase, but "%s" was passed. Try with "%s" country code instead.', $country, strtoupper($country)));
}
throw $e;
}
}
protected static function getPath(): string
{
return Intl::getDataDirectory().'/'.Intl::TIMEZONE_DIR;
}
}