<?= DatePicker::widget([
                        'name' => 'rdate',
                        'id' => 'rdate',
                        'value' => $rdate,
                        'dateFormat' => 'yyyy-MM-dd',
                        'options' => array(
                            'class' => 'form-control',
                        ),
                        'clientOptions' => [
                            'changeMonth' => true,
                            'changeYear' => true,
                        ],
                    ]) ?>