/** * Finds the DeptEmp model based on its primary key value. * If the model is not found, a 404 HTTP exception will be thrown. * @param integer $emp_no * @param string $dept_no * @return DeptEmp the loaded model * @throws HttpException if the model cannot be found */ protected function findModel($emp_no, $dept_no) { if (($model = DeptEmp::findOne(['emp_no' => $emp_no, 'dept_no' => $dept_no])) !== null) { return $model; } else { throw new HttpException(404, 'The requested page does not exist.'); } }