how to disable side-navbar label encode

[devmrh]

hi i used material icon on my navbar ... in sidenav i see their code instead icons how can i disable label encode? thankyou
i used

sideNavClientOptions' => [
                'encodeLabels' => false
        ]

but didnt work

    NavBar::begin([

        'brandOptions' => [
            'class' => 'hide-on-med-and-down'
        ],
        'brandLabel' => 'My Company',
        'brandUrl' => Yii::$app->homeUrl,
        'fixed' => false,
        'wrapperOptions' => [
            'class' => 'nav-wrapper'
        ],
    ]);

    $menuItems = [

        ['label' => '<i class="material-icons">search</i>'],
        ['label' => '<span  style="position: relative;top: 8px" id="message"><span class="material-icons">email</span></span><span  class="new badge orange darken-3 message">' . $m_count . '</span>'],
        ['label' => '<i class="material-icons">view_module</i>'],
        ['label' => '<i class="material-icons">refresh</i>'],
        ['label' => '<i class="material-icons">more_vert</i>', 'items' => [  // will be rendered as dropdown
            ['label' => 'Home', 'url' => ['/site/index']],
            ['label' => 'About', 'url' => ['/site/about']],
            ['label' => 'Home', 'url' => ['/site/about']],
            ['label' => 'Contact', 'url' => ['/site/contact']]
        ]],

    ];
    if (Yii::$app->user->isGuest) {
        $menuItems[] = ['label' => 'Signup', 'url' => ['/site/signup']];
        $menuItems[] = ['label' => 'Login', 'url' => ['/user/login']];
    } else {
        $menuItems[] = '<li>'
            . Html::beginForm(['/site/logout'], 'post')
            . Html::submitButton(
                'Logout (' . Yii::$app->user->identity->username . ')',
                ['class' => 'btn btn-flat']
            )
            . Html::endForm()
            . '</li>';
    }

    echo Nav::widget([
        'encodeLabels' => false,
        'options' => ['class' => 'right'],
        'items' => $menuItems,
        'sideNavToggleButtonOptions' => [
                'class' => 'show-on-small',
            'label' => '',
            'icon' => [
                'name' => 'menu'
            ],
            'type' => Button::TYPE_FLAT,

        ],
        'sideNavClientOptions' => [
                'encodeLabels' => false
        ]

    ]);

    NavBar::end();
    ?>

[MacGyer]

Simply set the encode property for the nav item:

['label' => '<i class="material-icons">search</i>', 'encode' => false],