use varable on all site pages laravel

1Config::get('app.name')
2

1php artisan make:middleware SomeMiddleware
2

1# app/Providers/AppServiceProvider.php
2
3public function boot()
4{
5   // add this
6    view()->share('someKey', 'This is shared data');
7}

1{{Session::get('website_name', 'Value Goes Here')}}
2

1public function handle($request, Closure $next)
2{
3    if (!Session::has('website_name')) {
4        // some logic
5        Session::put('website_name', 'YOUR VALUE');
6    }
7
8    return $next($request);
9}
10

1View::composer('*', function($view)
2{
3    $view->with('website_name', 'My website');
4});
5