Sets the recurrence of the streams global event structure (PHP 3 >= 3.0.13, PHP 4, PECL)
void mcal_event_set_recur_monthly_mday ( int stream, int year, int month, int day, int interval )

mcal_event_set_recur_monthly_mday() sets the streams global event structure's recurrence to the given value to be reoccurring on a monthly by month day basis, ending at the given date.