(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::getWeekendTransition — Get time of the day at which weekend begins or ends
面向对象风格
过程化风格
Returns the number of milliseconds after midnight at which the weekend begins or ends.
   This is only applicable for days of the week for which
   IntlCalendar::getDayOfWeekType() returns either
   IntlCalendar::DOW_TYPE_WEEKEND_OFFSET or
   IntlCalendar::DOW_TYPE_WEEKEND_CEASE. Calling this
   function for other days of the week is an error condition.
  
This function requires ICU 4.4 or later.
calendarIntlCalendar 实例。
dayOfWeek
      One of the constants IntlCalendar::DOW_SUNDAY,
      IntlCalendar::DOW_MONDAY, …,
      IntlCalendar::DOW_SATURDAY.
     
   The number of milliseconds into the day at which the weekend begins or
   ends 或者在失败时返回 false.
  
See example on IntlCalendar::getDayOfWeekType().
