[
            'class' => 'navbar-inverse navbar-fixed-top',
        ]
    ]);
 
    echo Nav::widget([
        'options' => ['class' => 'navbar-nav navbar-right'],
        'items' => (new MenuTree())->build('TOP')
    ]);
/*
    $menuItems = [
        ['label' => 'Home', 'url' => ['/site/index']],
        ['label' => 'About', 'url' => ['/site/about']],
        ['label' => 'Contact', 'url' => ['/site/contact']],
    ];
    
    // меню с базы
    $menuItems = [];
    foreach ((new \frontend\models\Front())->actionMenu('TOP') as $row)
    { 
        $menuItems[] = ['label' => $row['page_title'], 'url' => $row['page_alias']];
    }
 
    if (Yii::$app->user->isGuest) 
    {
        $menuItems[] = ['label' => 'Signup', 'url' => ['/site/signup']];
        $menuItems[] = ['label' => 'Login', 'url' => ['/site/login']];
    } 
    else 
    {
        $menuItems[] = [
            'label' => 'Logout (' . Yii::$app->user->identity->username . ')',
            'url' => ['/site/logout'],
            'linkOptions' => ['data-method' => 'post']
        ];
    }
    echo Nav::widget([
        'options' => ['class' => 'navbar-nav navbar-right'],
        'items' => $menuItems,
    ]);
*/
    NavBar::end();
 
    ?>
 
    
        = Breadcrumbs::widget([
            'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],
        ]) ?>
        = Alert::widget() ?>
        = $content ?>