The return value is the difference, in milliseconds, between UTC and local time. Note that this means that the offset is positive if the local timezone is behind UTC and negative if it is ahead.
PHP - Manual: IntlTimeZone::getRawOffset
2024-12-22
(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlTimeZone::getRawOffset -- intltz_get_raw_offset — Get the raw GMT offset (before taking daylight savings time into account
面向对象风格 (method):
过程化风格:
本函数还未编写文档,仅有参数列表。
此函数没有参数。
官方地址:https://www.php.net/manual/en/intltimezone.getrawoffset.php