Notification widget fix zero count

backend/widgets/NotificationCountWidget.php

@@ -14,12 +14,15 @@ class NotificationCountWidget extends Widget
 	public function run()
 	{
 		$count = 0;
-		foreach (\Yii::$app->params['notifications'] as $notification) {
+
+		if (isset(\Yii::$app->params['notifications'])) {
+			foreach ( \Yii::$app->params['notifications'] as $notification ) {
 				$count += $notification['count'];
 			}
+		}
 
 		return $this->render('notification-count', [
-			'notifications' => \Yii::$app->params['notifications'],
+			'notifications' => isset(\Yii::$app->params['notifications']) ? \Yii::$app->params['notifications'] : [],
 			'count' => $count,
 		]);
 	}

backend/widgets/views/notification-count.php

@@ -17,7 +17,9 @@ use yii\helpers\Url;
 <li class="dropdown notifications-menu">
 	<a href="#" class="dropdown-toggle" data-toggle="dropdown">
 		<i class="fa fa-bell-o"></i>
+		<?php if ($count > 0): ?>
 			<span class="label label-warning"><?= $count ?></span>
+		<?php endif; ?>
 	</a>
 	<ul class="dropdown-menu">
 		<li class="header"><?= Yii::t('main', 'You have {count} notifications', ['count' => $count]) ?></li>

common/modules/banners/widgets/BannerWidget.php

@@ -8,7 +8,6 @@ namespace common\modules\banners\widgets;
 
 use common\modules\banners\entities\Banner;
 use common\modules\banners\entities\BannerPlace;
-use common\modules\banners\helpers\BannerHelper;
 use yii\base\Widget;
 
 class BannerWidget extends Widget