test1/public/basic/views/site/account.php

<div class="container">
    <h1><?= Yii::$app->user->identity->username ?></h1>
    <p>Forename: <?= Yii::$app->user->identity->forename ?></p>
    <p>Surname: <?= Yii::$app->user->identity->surname ?></p>
    <p>Email: <?= Yii::$app->user->identity->email ?></p>
    <p>Phone: <?= Yii::$app->user->identity->phone ?></p>
    <p>Language: <?= Yii::$app->user->identity->lang ?></p>
</div>