replaced usages of $_GET with Request::queryParams

extensions/bootstrap/Nav.php

@@ -100,7 +100,7 @@ class Nav extends Widget
 			$this->route = Yii::$app->controller->getRoute();
 		}
 		if ($this->params === null) {
-			$this->params = $_GET;
+			$this->params = Yii::$app->request->getQueryParams();
 		}
 		Html::addCssClass($this->options, 'nav');
 	}

extensions/gii/generators/crud/templates/controller.php

@@ -59,7 +59,7 @@ class <?= $controllerClass ?> extends <?= StringHelper::basename($generator->bas
 	public function actionIndex()
 	{
 		$searchModel = new <?= isset($searchModelAlias) ? $searchModelAlias : $searchModelClass ?>;
-		$dataProvider = $searchModel->search($_GET);
+		$dataProvider = $searchModel->search(Yii::$app->request->getQueryParams());
 
 		return $this->render('index', [
 			'dataProvider' => $dataProvider,

framework/widgets/Menu.php

@@ -158,7 +158,7 @@ class Menu extends Widget
 			$this->route = Yii::$app->controller->getRoute();
 		}
 		if ($this->params === null) {
-			$this->params = $_GET;
+			$this->params = Yii::$app->request->getQueryParams();
 		}
 		$items = $this->normalizeItems($this->items, $hasActiveChild);
 		$options = $this->options;