$id = $request[0]; CourseController::update($id, $_REQUEST); } else { header('Route Not Found', true, 404); } break; case 'POST': CourseController::create($_POST); break; case 'GET': if (isset($request) && !empty($request) && $request[0] !== '') { if ($request[0] == 'check') { $field = $request[1]; $value = $request[2]; $id = $request[3]; CourseController::check($field, $value, $id); } elseif ($request[0] == 'signup') { CourseController::readSignup(); } else { $id = $request[0]; CourseController::detail($id); } } else { CourseController::read(); } break; case 'DELETE': if (isset($request) && !empty($request) && $request[0] !== '') { $id = $request[0]; CourseController::delete($id); }