(PHP 5.5.0, PECL >= 3.0.0a1)
IntlCalendar::getGreatestMinimum — Get the largest local minimum value for a field
Returns the largest local minimum for a field. This should be a value larger or equal to that returned by IntlCalendar::getActualMinimum(), which is in its turn larger or equal to that returned by IntlCalendar::getMinimum(). All these three functions return the same value for the Gregorian calendar.
An int representing a field value, in the fieldʼs
FALSE on failure.