How to dynamic jquery datepicker in yii2 form

My question is i have dynamic file input and dynamic datepicker when i insert data for image at insertion time the image is loaded but when i update it suppose i want give one image the other field is blank it picks the last uploaded image. When i update if click on add more it is not showing the new input field

My code

My code is
Html

<?php $form = ActiveForm::begin(['action' => ['enrollment/family'],'options' => ['enctype' => 'multipart/form-data']]); ?>
      <div class="row">
        <div class="col-12">
          <h1 class="heading"> Family Member </h1>
        </div>
      </div>
       
       <div id="dynamic_fieldf">
        <?php if(!empty(Yii::$app->request->get('enrolementid')) || !empty(Yii::$app->request->get('papl_id')))
        {
          ?>
        <input type="hidden" name="enrolementid" value="<?= Yii::$app->request->get('enrolementid')??Yii::$app->request->get('papl_id')?>">
      <?php }else{?>
        <input type="hidden" name="enrolementid" value="<?=$enrolmentid?>">
      <?php }?>
        <?php
          foreach($model->families as $family)
          {
            ?>
          <div class="row">
            <div class="col-2">
              <div class="form-group field-family-family_member">
                  <label class="control-label" for="family-family_member">Family Member</label>
                  <input type="text" id="family-family_member" class="form-control" name="Family[family_member][]" value="<?=$family->family_member?>" maxlength="255">

                  <div class="help-block"></div>
                </div>    
            </div>
            <div class="col-2">
                <div class="form-group field-family-family_member_dob has-success">
                <label class="control-label" for="family-family_member_dob">Family Member Dob</label>
                <input type="text"  class="form-control family-family_member_dob" name="Family[family_member_dob][]" value="<?=$family->family_member_dob?>" aria-invalid="false">
                <div class="help-block"></div>
              </div> 
            </div>
            <div class="col-2">
                <div class="form-group field-family-family_member_relation">
                    <label class="control-label" for="family-family_member_relation">Family Member Relation</label>
                    <input type="text" id="family-family_member_relation" class="form-control" name="Family[family_member_relation][]" value="<?=$family->family_member_relation?>" maxlength="255" aria-invalid="false">
                  <div class="help-block"></div>
                </div>                
            </div>
            <div class="col-2">
              <div class="form-group field-family-family_member_residence">
                  <label class="control-label" for="family-family_member_residence">Family Member Residence</label>
                  <input type="text" id="family-family_member_residence" class="form-control" name="Family[family_member_residence][]" value="<?=$family->family_member_residence?>" maxlength="255">
                  <div class="help-block"></div>
              </div>                
            </div>
            <div class="col-2">
              <div class="form-group field-family-family_nominee_adhar_photo">
              <?php if ($family->family_nominee_adhar_photo) {?>
                <a href="<?= Yii::getAlias('@storageUrl').$family->family_nominee_adhar_photo?>" data-toggle="tooltip" title="File link"><img src="https://img.icons8.com/glyph-neue/34/000000/image.png"/></a>
              <?php }?>
            
             <?= $form->field($family_model, 'family_nominee_adhar_photo[]')->fileInput(['multiple' => true,'onchange'=>"readURL(this);",'accept' => '.jpg,.jpeg,.png,.pdf']) ?>
         
              <!--   <label class="control-label" for="family-family_nominee_adhar_photo">Family Nominee Adhar Photo</label>
                <input type="hidden" name="Family[family_nominee_adhar_photo][]" value="">
                <input type="file" id="family-family_nominee_adhar_photo" name="Family[family_nominee_adhar_photo][]" value="" maxlength="255" onchange="readURL(this);" accept=".jpg,.jpeg,.png,.pdf">
                  <div class="help-block"></div> -->
              </div>                
            </div>
            
            <div class="col-2 removeParentfamily">
              <button type="button" class="close" aria-label="Close">
                <span aria-hidden="true">&times;</span>
              </button>
            </div>
          </div>
        <?php }?>
      <!--sample data start for Family -->
        <div class="row" id="sampleFamily" style="content-visibility:<?php if($model->families){
          echo 'hidden';}else{echo 'visible';}?>">
          <div class="col-2">
              <div class="form-group field-family-family_member">
                  <label class="control-label" for="family-family_member">Family Member</label>
                  <input type="text" id="family-family_member" class="form-control" name="Family[family_member][]" value="" maxlength="255">

                  <div class="help-block"></div>
              </div>    
          </div>
          <div class="col-2">
              <div class="form-group field-family-family_member_dob ">
                <label class="control-label" for="family-family_member_dob">Family Member Dob</label>
                <input type="text"  class="form-control family-family_member_dob" name="Family[family_member_dob][]"  aria-invalid="false" readonly="true">
                <div class="help-block"></div>
              </div> 
          </div>
          <div class="col-2">
            <div class="form-group field-family-family_member_relation">
              <label class="control-label" for="family-family_member_relation">Family Member Relation</label>
              <input type="text" id="family-family_member_relation" class="form-control" name="Family[family_member_relation][]" value="" maxlength="255">
              <div class="help-block"></div>
            </div>            
          </div>
          <div class="col-2">
            <div class="form-group field-family-family_member_residence has-success">
              <label class="control-label" for="family-family_member_residence">Family Member Residence</label>
              <input type="text" id="family-family_member_residence" class="form-control" name="Family[family_member_residence][]" value="" maxlength="255" aria-invalid="false">
              <div class="help-block"></div>
            </div>            
          </div>
          <div class="col-2">
            <div class="form-group field-family-family_nominee_adhar_photo">
                <label class="control-label" for="family-family_nominee_adhar_photo">Family Nominee Aadhaar Photo</label>
                <input type="hidden" name="Family[family_nominee_adhar_photo]" value=""><input type="file" id="family-family_nominee_adhar_photo" name="Family[family_nominee_adhar_photo][]" value="" maxlength="255" onchange="readURL(this);" accept=".jpg,.jpeg,.png,.pdf" multiple>
                <div class="help-block"></div>
            </div>            
          </div>
          <div class="col-2 removeParentfamily">
            <button type="button" class="close" aria-label="Close">
            <span aria-hidden="true">&times;</span>
            </button>
          </div>
        </div>
        <!--sample data end for qualification -->

javascript
$addmorefamily = <<<JS

JS;
$addmorefamily = <<<JS
var template = $(’#dynamic_fieldf #sampleFamily:first’).clone();
var sectionsCount = 1;
$(’.removeParentfamily’).click(function(){
$(this).parent().remove();

    })

$(‘body’).on(‘click’, ‘#addf’, function() {
sectionsCount++;
var section = template.clone().find(’:input’).each(function(){
var newId = this.id + sectionsCount;
$(this).prev().attr(‘for’, newId);
}).end().appendTo(’#dynamic_fieldf’);

$("input[name='family_member_dob[]']").last().datepicker();

return false;

});

$(“input[name=‘family_member_dob[]’]”).last().datepicker();
$(’#dynamic_fieldf’).on(‘click’, ‘.removeParentfamily’, function() {
$(this).parent().remove();
});
JS;
$this->registerJs($addmorefamily);

controller code

public function actionFamily()
{
if( !empty(Yii::$app->request->get(‘enrolementid’))){
$enrolmentid=Yii::$app->request->get(‘enrolementid’);
}elseif (!empty(Yii::$app->request->get(‘papl_id’))) {
$enrolmentid=Yii::$app->request->get(‘papl_id’);
}else{
$enrolmentid=Yii::$app->request->post(‘enrolementid’);
}
$tag=’’;
$msg =’’;
$family_model = new Family();
if ($family_model->load($this->request->post())) {
$userData = count($this->request->post()[‘Family’][‘family_member’]);
if ($userData > 0) {
// if (Yii::$app->request->get(‘papl_id’)) {
// Family::deleteAll([‘papl_id’=>$enrolmentid]);

            // }else{
                Family::deleteAll(['enrolement_id'=>$enrolmentid]);
               
            // }
            
            // $msg ='';
            for ($i=0; $i < $userData; $i++) { 
                if(Yii::$app->request->post()['Family']['family_member'][$i] !='' && isset(Yii::$app->request->post()['Family']['family_member'][$i]) && !empty(Yii::$app->request->post()['Family']['family_member'][$i]))
                {
                    // echo "<pre>";print_r($this->request->post()['Family']);
                        $family_model = new Family();
                        $family_member   = $this->request->post()['Family']['family_member'][$i];
                        $family_member_dob  = $this->request->post()['Family']['family_member_dob'][$i];
                        $family_member_relation  = $this->request->post()['Family']['family_member_relation'][$i];
                        $family_member_residence  = $this->request->post()['Family']['family_member_residence'][$i];
                        $family_model->enrolement_id=$enrolmentid;
                        $family_model->family_member=$family_member;
                        $family_model->family_member_dob=$family_member_dob;
                        $family_model->family_member_relation=$family_member_relation;
                        $family_model->family_member_residence=$family_member_residence;
                        $family_nominee_adhar_photos = UploadedFile::getInstances($family_model, 'family_nominee_adhar_photo');
                        // echo "<pre>";print_r($family_nominee_adhar_photos);
                        if (!empty($family_nominee_adhar_photos[$i]) && isset($family_nominee_adhar_photos[$i])) {
                            $basepath = Yii::getAlias('@storage');
                            $randnum = Yii::$app->security->generateRandomString();
                            $file = '/upload/' . $randnum .'.'. $family_nominee_adhar_photos[$i]->extension;
                            $path = $basepath . $file;
                            $family_nominee_adhar_photos[$i]->saveAs($path);
                            $family_model->family_nominee_adhar_photo=$file;
                         }  
               
                        if($family_model->save())
                                $msg .= "";
                        else
                            $msg .= 'error '.json_encode($family_model->getErrors());
                }
               // die();
            }
        }
        if($msg == ''){
                if(Yii::$app->request->post('family'))
                    $tag='';
                // return $this->redirect(['enrole', 'enrolementid' => $enrolmentid,'tag'=>$tag]);
                return $this->redirect(['index','type' => 0]);
            }else{
            $tag='family';
            return $this->redirect(['enrole', 'enrolementid' => $enrolmentid,'tag'=>$tag,'msg' => $msg]);
            }
            
    }  
}