common/modules/product/views/manage/update.php

<?php
    
    use common\models\ProductSpec;
    use common\modules\product\models\Product;
    use yii\helpers\Html;
    use yii\web\View;
    
    /**
     * @var View        $this
     * @var Product     $model
     * @var ProductSpec $product_spec
     */
    
    $this->title = Yii::t('product', 'Update {modelClass}: ', [
            'modelClass' => 'Product',
        ]) . ' ' . $model->name;
    $this->params[ 'breadcrumbs' ][] = [
        'label' => Yii::t('product', 'Products'),
        'url'   => [ 'index' ],
    ];
    $this->params[ 'breadcrumbs' ][] = [
        'label' => $model->name,
        'url'   => [
            'view',
            'id' => $model->product_id,
        ],
    ];
    $this->params[ 'breadcrumbs' ][] = Yii::t('product', 'Update');
?>
<div class="product-update">
    
    <h1><?= Html::encode($this->title) ?></h1>
    
    <?= $this->render('_form', [
        'model'        => $model,
        'groups'       => $groups,
        'product_spec' => $product_spec,
    ]) ?>

</div>