echo $form->numberInput(); ?> </div> <div class="form-group"> <label for="cvc" class="control-label">CVC</label> <?php echo $form->cvcInput(); ?> </div> <div class="form-group"> <label for="exp-month-year" class="control-label">Card expiry</label> <?php echo $form->monthAndYearInput(); ?> </div> <?php echo Html::submitButton('<span class="glyphicon glyphicon-check"></span> Save', ['class' => 'btn btn-success']); StripeForm::end(); ?> </div> </div><!-- end panel --> </div> </div>