YII2 how to make frontend button visible to admin only?

Question

Yii

I need to hide some elements in the frontend if the admin is not logged into the admin. How can you tell in the frontend if a user is logged in to the backend? Who knows?

<a class="btn btn-primary" href="/backend/web/shop/product/update?id=<?=$product->id;?>" target="blank">РЕДАКТИРОВАТЬ</a>

Answer 1

<?php if(Yii::$app->user->identity && Yii::$app->user->identity->getIsAdmin()):?>
<a class="btn btn-primary" href="/backend/web/shop/product/update?id=<?=$product->id;?>" target="blank">РЕДАКТИРОВАТЬ</a>
<?php endif; ?>

something like this

Answer 2

use
'identityClass' => 'dektrium\user\models\User',