District::getNextDistrict - jcobban/Genealogy GitHub Wiki
$district->getNextDistrict()
Up: class District
This factory method is used to obtain the instance of District
representing the District which immediately follows the current District within the current Census. Districts are identified by a number.
This returns an instance of District if the current District is not the District with the highest numeric identifier, otherwise it returns null.
$nextDistrict = $district->getNextDistrict();