PatientRiskAssignment::rules PHP 메소드

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(array('patient_id, risk_id', 'required'), array('id, name, comments', 'safe', 'on' => 'search'), array('comments', 'default', 'setOnEmpty' => true, 'value' => null));
    }