query()->where('parent_district_id', $district)->get(); } public function deleteNeighborhoodByDistrict($id) { $village = new VillageModel(); $neighborhood = $this->where('parent_district_id',$id); $neighborhoods_id = $neighborhood->get(); foreach ($neighborhoods_id as $item) { $village->deleteVillageByNeighborhood($item->id); } return $neighborhood->delete(); } }