[11.x] Fix routeCollection get method return value when searching by dot not… (#54672)

* Fix routeCollection get method return value when searching by dot notation

* remove unused import

* Update RouteCollection.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: abdel-aouby

src/Illuminate/Routing/RouteCollection.php

@@ -4,7 +4,6 @@
 
 use Illuminate\Container\Container;
 use Illuminate\Http\Request;
-use Illuminate\Support\Arr;
 
 class RouteCollection extends AbstractRouteCollection
 {
@@ -171,7 +170,7 @@ public function match(Request $request)
      */
     public function get($method = null)
     {
-        return is_null($method) ? $this->getRoutes() : Arr::get($this->routes, $method, []);
+        return is_null($method) ? $this->getRoutes() : ($this->routes[$method] ?? []);
     }
 
     /**

tests/Routing/RouteCollectionTest.php

@@ -66,6 +66,24 @@ public function testRouteCollectionCanRetrieveByAction()
         $this->assertSame($action, $routeIndex->getAction());
     }
 
+    public function testRouteCollectionCanRetrieveByMethod()
+    {
+        $this->routeCollection->add($routeIndex = new Route('GET', 'foo/index', $action = [
+            'uses' => 'FooController@index',
+            'as' => 'route_name',
+        ]));
+
+        $this->assertCount(1, $this->routeCollection->get('GET'));
+        $this->assertCount(0, $this->routeCollection->get('GET.foo/index'));
+        $this->assertSame($routeIndex, $this->routeCollection->get('GET')['foo/index']);
+
+        $this->routeCollection->add($routeShow = new Route('GET', 'bar/show', [
+            'uses' => 'BarController@show',
+            'as' => 'bar_show',
+        ]));
+        $this->assertCount(2, $this->routeCollection->get('GET'));
+    }
+
     public function testRouteCollectionCanGetIterator()
     {
         $this->routeCollection->add(new Route('GET', 'foo/index', [