DateTimeZone::getOffset
DateTimeZone::getOffset
timezone_offset_get
(PHP 5 >= 5.2.0, PHP 7)
DateTimeZone :: getOffset - timezone_offset_get - 返回GMT的时区偏移量
Description
面向对象的风格
public int DateTimeZone::getOffset ( DateTime $datetime )
程序风格
int timezone_offset_get ( DateTimeZone $object , DateTime $datetime )
该函数返回datetime参数中指定日期/时间的GMT偏移量。GMT偏移量是使用包含在正在使用的DateTimeZone对象中的时区信息计算的。
Parameters
`object`
仅限过程样式：由timezone_open()返回的DateTimeZone对象
datetime
包含计算距离偏移的日期/时间的DateTime。
Return Values
以秒为单位返回成功或FALSE失败，。
Examples
Example #1 DateTimeZone::getOffset() examples
<?php
// Create two timezone objects, one for Taipei (Taiwan) and one for
// Tokyo (Japan)
$dateTimeZoneTaipei = new DateTimeZone("Asia/Taipei"
$dateTimeZoneJapan = new DateTimeZone("Asia/Tokyo"
// Create two DateTime objects that will contain the same Unix timestamp, but
// have different timezones attached to them.
$dateTimeTaipei = new DateTime("now", $dateTimeZoneTaipei
$dateTimeJapan = new DateTime("now", $dateTimeZoneJapan
// Calculate the GMT offset for the date/time contained in the $dateTimeTaipei
// object, but using the timezone rules as defined for Tokyo
// ($dateTimeZoneJapan).
$timeOffset = $dateTimeZoneJapan->getOffset($dateTimeTaipei
// Should show int(32400) (for dates after Sat Sep 8 01:00:00 1951 JST).
var_dump($timeOffset
?>
← DateTimeZone::getName
DateTimeZone::getTransitions →
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