backend/views/brand/_form.php

<?php
use yii\helpers\Html;
use yii\widgets\ActiveForm;
/* @var $this yii\web\View */
/* @var $model common\modules\product\models\Brand */
/* @var $form yii\widgets\ActiveForm */
?>
<div class="brand-form">
    <?php $form = ActiveForm::begin([
        'options' => ['enctype'=>'multipart/form-data']
    ]); ?>
    <?= $form->field($model, 'name')->textInput() ?>
    <?= $form->field($model, 'alias')->textInput(['maxlength' => true]) ?>
    <?= $form->field($model, 'imageUpload')->widget(\kartik\file\FileInput::classname(), [
        'options' => [
            'accept' => 'image/*',
        ],
        'pluginOptions' => [
            'allowedFileExtensions' => ['jpg','gif','png'],
            'initialPreview' => $model->imageUrl ? Html::img($model->imageUrl) : '',
            'overwriteInitial' => true,
            'showRemove' => true,
            'showUpload' => false,
        ],
    ]); ?>
    <?= $form->field($model, 'meta_title')->textInput(['maxlength' => true]) ?>
    <?= $form->field($model, 'meta_desc')->textarea(['rows' => 6]) ?>
    <?= $form->field($model, 'meta_robots')->textInput(['maxlength' => true]) ?>
    <?= $form->field($model, 'seo_text')->textarea(['rows' => 6]) ?>
    <?= $form->field($model, 'remote_id')->textInput(['maxlength' => 25]) ?>
    <div class="form-group">
        <?= Html::submitButton($model->isNewRecord ? Yii::t('product', 'Create') : Yii::t('product', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
        <?php if ($model->isNewRecord) :?>
            <?= Html::submitButton(Yii::t('product', 'Create and continue'), ['name' => 'create_and_new', 'class' =>  'btn btn-primary']) ?>
        <?php endif?>
    </div>
    <?php ActiveForm::end(); ?>
</div>