OphTrOperationbooking_Operation_Theatre::rules PHP Method

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(array('name, site_id, code, ward_id', 'safe'), array('name, site_id, code', 'required'), array('id, name, site_id, code', 'safe', 'on' => 'search'));
    }