} break; case 'editSubCategory': # code... $category = new MainCategory(); $category->type = $_POST['typeMain']; $result = $category->getIdCategory(); $subCategory = new SubCategory(); $subCategory->category_id = $result['id']; $subCategory->type = $_POST['typeSub']; $result = $subCategory->getSubCatId(); if ($result['id'] != 0) { //found $subCategory->id = $result['id']; $subCategory->type = $_POST['typeSubNew']; echo $subCategory->updateSubCategory(); echo "Data updated"; } break; case 'removeSubCategory': # code... $category = new MainCategory(); $category->type = $_POST['typeMain']; $result = $category->getIdCategory(); $subCategory = new SubCategory(); $subCategory->category_id = $result['id']; $subCategory->type = $_POST['typeSub']; $result = $subCategory->getSubCatId(); if ($result['id'] != 0) { //found $subCategory->id = $result['id'];