PHP

Route::any

Route::get('/user/{name?}', function ($name = null) {
    return $name;
});
 
Route::get('/user/{name?}', function ($name = 'John') {
    return $name;
});

Route::any

use IlluminateHttpRequest;
 
Route::get('/user/{id}', function (Request $request, $id) {
    return 'User '.$id.' user';
});