IntlDateFormatter::setTimeZone
datefmt_set_timezone
(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL intl >= 3.0.0)
IntlDateFormatter::setTimeZone -- datefmt_set_timezone — Sets formatterʼs timezone
说明
面向对象风格
过程化风格
$formatter, IntlTimeZone|DateTimeZone|string|null $timezone): boolSets the timezone used for the IntlDateFormatter. object.
参数
-
formatter -
The formatter resource.
-
timezone -
The timezone to use for this formatter. This can be specified in the following forms:
-
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
成功时返回 true， 或者在失败时返回 false。
更新日志
| 版本 | 说明 |
|---|---|
| 8.3.0 |
This function now returns true on success; previously it returns null.
|
示例
示例 #1 IntlDateFormatter::setTimeZone() examples
<?php
ini_set('date.timezone', 'Europe/Amsterdam');
$formatter = IntlDateFormatter::create(NULL, NULL, NULL, "UTC");
$formatter->setTimeZone(NULL);
echo "NULL\n ", $formatter->getTimeZone()->getId(), "\n";
$formatter->setTimeZone(IntlTimeZone::createTimeZone('Europe/Lisbon'));
echo "IntlTimeZone\n ", $formatter->getTimeZone()->getId(), "\n";
$formatter->setTimeZone(new DateTimeZone('Europe/Paris'));
echo "DateTimeZone\n ", $formatter->getTimeZone()->getId(), "\n";
$formatter->setTimeZone('Europe/Rome');
echo "String\n ", $formatter->getTimeZone()->getId(), "\n";
$formatter->setTimeZone('GMT+00:30');
print_r($formatter->getTimeZone());以上示例会输出：
NULL
Europe/Amsterdam
IntlTimeZone
Europe/Lisbon
DateTimeZone
Europe/Paris
String
Europe/Rome
IntlTimeZone Object
(
[valid] => 1
[id] => GMT+00:30
[rawOffset] => 1800000
[currentOffset] => 1800000
)
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