(PHP 5.5.0, PECL >= 3.0.0a1)
IntlCalendar::getMaximum — Get the global maximum value for a field
Gets the global maximum for a field, in this specific calendar. This value is larger or equal to that returned by IntlCalendar::getActualMaximum(), which is in its turn larger or equal to that returned by IntlCalendar::getLeastMaximum().
An int representing a field value in the fieldʼs
FALSE в случае возникновения ошибки.