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Route::get('/', function () {
    return view('welcome');
});

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<?php

namespace AppHttpMiddleware;

use Closure;

class MyMiddleware
{
    public function handle($request, Closure $next)
    {
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        return $next($request);
    }
}

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<?php

namespace AppHttpControllers;

use IlluminateHttpRequest;

class MyController extends Controller
{
    public function index(Request $request)
    {
        return view('my.view', ['key' => 'value']);
    }
}

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>My View</title>
</head>
<body>
    <p>The value of the key parameter is: {{ $key }}</p>
</body>
</html>

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<?php

namespace AppHttpControllers;

use IlluminateHttpRequest;

class MyController extends Controller
{
    public function index(Request $request)
    {
        return response()->json([
            'message' => 'Hello World!',
        ]);
    }
}

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