(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
Object oriented style
public IntlCalendar::setRepeatedWallTimeOption ( int $wallTimeOption ) : bool
Procedural style
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.
cal
The IntlCalendar resource.
wallTimeOption
One of the constants IntlCalendar::WALLTIME_FIRST
or IntlCalendar::WALLTIME_LAST
.
Returns true
on success. Failure can only happen due to invalid parameters.
See the example on IntlCalendar::getRepeatedWallTimeOption().
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https://www.php.net/manual/en/intlcalendar.setrepeatedwalltimeoption.php