foo.blade.php

<h1>Hello {{ $name }}</h1>

index.php

<?php

/*
|-------------------------------------------
| Welcome to Tinkerwell Web
|-------------------------------------------
|
| Tinkerwell Web allows you to try out PHP and Laravel all from your browser.
| You have access to all Laravel classes and an in-memory SQLite database.
| Go ahead, and try it out by pressing the run button (CTRL+R).
|
| You can find the Laravel documentation with a lot of ready-to-use
| code snippets by clicking the Laravel icon in the Toolbar.
|
*/
use Illuminate\Http\Request;

Route::get('/', function(Request $request) {
  return view('foo', ['name' => $request->get('name', 'World')]);
});