Php/docs/intlcalendar.setrepeatedwalltimeoption
IntlCalendar::setRepeatedWallTimeOption
(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)
IntlCalendar::setRepeatedWallTimeOption — Set behavior for handling repeating wall times at negative timezone offset transitions
说明
面向对象风格
public IntlCalendar::setRepeatedWallTimeOption
( int $wallTimeOption
) : bool
过程化风格
intlcal_set_repeated_wall_time_option
( IntlCalendar $cal
, int $wallTimeOption
) : bool
Sets the current strategy for dealing with wall times that are repeated
whenever the clock is set back during dailight saving time end transitions.
The default value is IntlCalendar::WALLTIME_LAST
(take
the post-DST instant). The other possible value is
IntlCalendar::WALLTIME_FIRST
(take the instant that
occurs during DST).
This function requires ICU 4.9 or later.
参数
cal
- The IntlCalendar resource.
wallTimeOption
- One of the constants
IntlCalendar::WALLTIME_FIRST
orIntlCalendar::WALLTIME_LAST
.
返回值
Returns true
on success. Failure can only happen due to invalid parameters.
参见
- intlCalendar::getRepeatedWallTimeOption() - Get behavior for handling repeating wall time
- intlCalendar::setSkippedWallTimeOption() - Set behavior for handling skipped wall times at positive timezone offset transitions
- intlCalendar::getSkippedWallTimeOption() - Get behavior for handling skipped wall time