'form-signup']); ?>
= $form->field($model, 'first_name') ?>
= $form->field($model, 'last_name') ?>
= $form->field($model, 'username') ?>
= $form->field($model, 'email') ?>
= $form->field($model, 'password')->passwordInput() ?>
= Html::submitButton('Signup', ['class' => 'btn btn-primary', 'name' => 'signup-button']) ?>