jui datepicker
<?= $form->field($model, 'birthday')->widget(DatePicker::className(),
[
'clientOptions' => [
'dateFormat' => 'yyyy-MM-dd',
'value' => date('Y-m-d'),
'yearRange' => 'c-100:c+0',
'changeMonth' => true,
'changeYear' => true,
],
'options' => [
'class' => 'form-control'
]
]
); ?>