PHP - Manual: IntlCalendar::setTimeZone
2024-11-13
IntlCalendar::setTimeZone
(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::setTimeZone — Set the timezone used by this calendar
说明
面向对象风格
过程化风格
intlcal_set_time_zone(IntlCalendar
$calendar, IntlTimeZone|DateTimeZone|string|null $timezone): boolDefines a new timezone for this calendar. The time represented by the object is preserved to the detriment of the field values.
参数
-
calendar -
IntlCalendar 实例。
-
timezone -
The new timezone to be used by this calendar. It can be specified in the following ways:
-
null, in which case the default timezone will be used, as specified in the ini setting date.timezone or through the function date_default_timezone_set() and as returned by date_default_timezone_get(). -
An IntlTimeZone, which will be used directly.
-
A DateTimeZone. Its identifier will be extracted and an ICU timezone object will be created; the timezone will be backed by ICUʼs database, not PHPʼs.
-
A string, which should be a valid ICU timezone identifier. See IntlTimeZone::createTimeZoneIDEnumeration(). Raw offsets such as
"GMT+08:30"are also accepted.
-
返回值
Returns true on success and false on failure.
范例
示例 #1 IntlCalendar::setTimeZone()
<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'es_ES');
$cal = new IntlGregorianCalendar(2013, 5 /* May */, 1, 12, 0, 0);
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
echo "(instant {$cal->getTime()})\n";
$cal->setTimeZone(IntlTimeZone::getGMT());
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
echo "(instant {$cal->getTime()})\n";
$cal->setTimeZone('GMT+03:33');
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
echo "(instant {$cal->getTime()})\n";
以上例程会输出：
sábado, 1 de junio de 2013 12:00:00 Hora de verano de Europa occidental (instant 1370084400000) sábado, 1 de junio de 2013 11:00:00 GMT (instant 1370084400000) sábado, 1 de junio de 2013 14:33:00 GMT+03:33 (instant 1370084400000)
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官方地址：https://www.php.net/manual/en/intlcalendar.settimezone.php
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