backend/views/admin/user/form.php

<?php
/**
 * @var User $model
 */

use app\models\User;

$form = new \itguild\forms\ActiveForm();
$form->beginForm(isset($model) ? "/admin/user/edit/" . $model->id : "/admin/user");

$form->field(class: \itguild\forms\inputs\TextInput::class, name: "username", params: [
    'class' => "form-control",
    'placeholder' => 'Логин',
    'model' => $model->username ?? ''
])
    ->setLabel("Логин")
    ->render();

$form->field(class: \itguild\forms\inputs\TextInput::class, name: "password", params: [
    'class' => "form-control",
    'type' => "password",
])
    ->setLabel("Пароль")
    ->render();

$form->field(class: \itguild\forms\inputs\TextInput::class, name: "email", params: [
    'class' => "form-control",
    'type' => "email",
    'placeholder' => 'test@mail.ru',
    'value' => $model->email ?? ''
])
    ->setLabel("Email")
    ->render();

?>
    <div class="row">
        <div class="col-sm-2">
        <?php
        $form->field(\itguild\forms\inputs\Button::class, name: "btn-submit", params: [
            'class' => "btn btn-primary ",
            'value' => 'Отправить',
            'typeInput' => 'submit'
        ])
            ->render();
        ?>
        </div>
        <div class="col-sm-2">
        <?php
        $form->field(\itguild\forms\inputs\Button::class, name: "btn-reset", params: [
            'class' => "btn btn-warning",
            'value' => 'Сбросить',
            'typeInput' => 'reset'
        ])
            ->render();
        ?>
        </div>
    </div>
<?php
$form->endForm();