'How to change locale in laravel route?

I am working on Laravel localization. I have all done but facing issue. When I change language from dropdown page successfully transalated but language in ROUTE not change.

In web.php I have setup this,

Route::get('/', function () {
    return redirect(app()->getLocale());
});
Route::get('language/change', [LocalizationController::class, 'changeLanguage'])->name('changeLang');
Route::group(
    [
        'prefix' => '{locale}',
        'where' => ['locale' => '[a-zA-Z]{2}'],
        'middleware' => 'setlocale'
    ],function () {

    Route::get('/', [MainController::class, 'index'])->name('main.index');
    Auth::routes();
    Route::get('/home', [App\Http\Controllers\HomeController::class, 'index'])->name('home');
    Route::group(['middleware' => ['auth']], function () {
        //
    });
});

I have added below code in Middleware,

public function handle(Request $request, Closure $next)
{
    if (session()->has('locale')) {
        App::setLocale(session()->get('locale'));
    }
    return $next($request);
}

In view file I have added this code,

<select class="form-control languageSelector">
        <option {{ session()->get('locale') == 'en' ? 'selected' : '' }} value="en">🇺🇸 <span style="font-weight: bolder !important">En</span></option>
        <option {{ session()->get('locale') == 'fr' ? 'selected' : '' }} value="fr">🇫🇷 <span style="font-weight: bolder !important">Fr</span></option>
</select>
$(document).ready(function(){
        var url = '{{ route('changeLang') }}';
        $('.languageSelector').change(function(){
            window.location.href = url + "?lang="+ $(this).val();
        });
    });

when I select language french from dropdown in route always see EN.

enter image description here

In Controller I have added,

public function changeLanguage(Request $request)
{
    App::setLocale($request->lang);
    session()->put('locale', $request->lang);
    return redirect()->back();
}

How can I solve it?

laravellocalization


Solution 1:[1]

Thanks Stack overflow. I have solve it by using this technique,

public function changeLanguage(Request $request)
{
    App::setLocale($request->lang);
    session()->put('locale', $request->lang);

    $url = url()->previous();
    $route = app('router')
    ->getRoutes($url)
    ->match(app('request')->create($url))
    ->getName();
    return redirect()->route($route, ['locale' => $request->lang]);
}

Solution 2:[2]

The better way to use the session for this purpose because its a cheap way to define URL with language code, and here is the best way you can use on anywhere. you can follow all instruction web.php kernal.php middleware at the end you wrote this line of code in controller? [1]: https://i.stack.imgur.com/p63eB.png

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Dilshad
Solution 2

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