use arrow function (#41895)

Author: imanghafoori1

src/Illuminate/Routing/AbstractRouteCollection.php

@@ -79,9 +79,9 @@ protected function matchAgainstRoutes(array $routes, $request, $includingMethod
             return $route->isFallback;
         });
 
-        return $routes->merge($fallbacks)->first(function (Route $route) use ($request, $includingMethod) {
-            return $route->matches($request, $includingMethod);
-        });
+        return $routes->merge($fallbacks)->first(
+            fn (Route $route) => $route->matches($request, $includingMethod)
+        );
     }
 
     /**

src/Illuminate/Routing/CreatesRegularExpressionRouteConstraints.php

@@ -72,8 +72,7 @@ public function whereIn($parameters, array $values)
     protected function assignExpressionToParameters($parameters, $expression)
     {
         return $this->where(collect(Arr::wrap($parameters))
-                    ->mapWithKeys(function ($parameter) use ($expression) {
-                        return [$parameter => $expression];
-                    })->all());
+                    ->mapWithKeys(fn ($parameter) => [$parameter => $expression])
+                    ->all());
     }
 }

src/Illuminate/Routing/RouteDependencyResolverTrait.php

@@ -92,9 +92,7 @@ protected function transformDependency(ReflectionParameter $parameter, $paramete
      */
     protected function alreadyInParameters($class, array $parameters)
     {
-        return ! is_null(Arr::first($parameters, function ($value) use ($class) {
-            return $value instanceof $class;
-        }));
+        return ! is_null(Arr::first($parameters, fn ($value) => $value instanceof $class));
     }
 
     /**

src/Illuminate/Routing/Router.php

@@ -695,9 +695,7 @@ protected function findRoute($request)
      */
     protected function runRoute(Request $request, Route $route)
     {
-        $request->setRouteResolver(function () use ($route) {
-            return $route;
-        });
+        $request->setRouteResolver(fn () => $route);
 
         $this->events->dispatch(new RouteMatched($route, $request));
 
@@ -723,11 +721,9 @@ protected function runRouteWithinStack(Route $route, Request $request)
         return (new Pipeline($this->container))
                         ->send($request)
                         ->through($middleware)
-                        ->then(function ($request) use ($route) {
-                            return $this->prepareResponse(
-                                $request, $route->run()
-                            );
-                        });
+                        ->then(fn ($request) => $this->prepareResponse(
+                            $request, $route->run()
+                        ));
     }
 
     /**
@@ -775,9 +771,9 @@ public function resolveMiddleware(array $middleware, array $excluded = [])
 
             $reflection = new ReflectionClass($name);
 
-            return collect($excluded)->contains(function ($exclude) use ($reflection) {
-                return class_exists($exclude) && $reflection->isSubclassOf($exclude);
-            });
+            return collect($excluded)->contains(
+                fn ($exclude) => class_exists($exclude) && $reflection->isSubclassOf($exclude)
+            );
         })->values();
 
         return $this->sortMiddleware($middleware);