Punic\Territory::getStructure PHP Метод

    protected static function getStructure()
    {
        static $cache = null;
        if ($cache === null) {
            $data = Data::getGeneric('territoryContainment');
            $result = static::fillStructure($data, '001', 0);
            $cache = $result;
        } else {
            $result = $cache;
        }
        return $result;
    }