public int IntlCalendar::getWeekendTransition    ( string $dayOfWeek   )

IntlCalendar::getWeekendTransitionGet time of the day at which weekend begins or ends

cal

The IntlCalendar resource.

dayOfWeek

One of the constants IntlCalendar::DOW_SUNDAY, IntlCalendar::DOW_MONDAY, …, IntlCalendar::DOW_SATURDAY.