fileinput is not working form builder

[ajkosh]

fileinput is not giving any output from form builder ,even after define below parameters also.

view code

<?php   
    $form = ActiveForm::begin([
                   'options' => ['class' => 'form-hori
               'enctype' => 'multipart/form-data'
         'id' => 'dynamic-form']);
            echo Form::widget([
                'model' => $model,
                 'form' => $form,
                 'columns' => 2,
                 'attributes'=>$model->formAttribs
                        ]);?>
<?php ActiveForm::end(); ?>

model code

public function getFormAttribs() {
    return [
               'title'=>['type'=>Form::INPUT_FILE, 'options'=>[]],
                'actions'=>['type'=>Form::INPUT_RAW,
                 'value'=>Html::submitButton('Submit', ['class'=>'btn btn-primary'])]
     ];
} 

below is output after submitting form

below is view code

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