laravel route why need name with post code example

Example 1: named route with parameter laravel

Route::get('/menu/{category}/{product}/{item}', ['as' => 'named.route' , 'uses' => 'MenuController@listItem']);

// to get the actual linke
route('named.route', ['category' => $category->id, 'product' => $product->id, 'item' => $item->id]);

Example 2: route() and with() in laravel

Route::get('user/{id}/profile', function ($id) {
    //
})->name('profile');

$url = route('profile', ['id' => 1, 'photos' => 'yes']);

// /user/1/profile?photos=yes

Example 3: laravel route

# Using Request
Route::get('user/{name}', function (Request $request) {
    return $request->route('name');
});

Example 4: laravel route

Route::view('/welcome', 'welcome');

Route::view('/welcome', 'welcome', ['name' => 'Taylor']);