How to create a multi language website with Laravel 9

 Q

What is the best way to setup a multi language website with Laravel? The URL must contain the language (nl, fr, en). For example: mywebsite.com/en/faq. Most examples and tutorials I find use the session to store the current language which is completely useless of course. I should be able to directly link to a page in a specific language.

I could create a route per language but that does not really seem like a good idea. Ideally this could be made dynamic in order to easily create more locales.

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I'm curious, why you cannot use session (it's a true question, I really would like to understand)?

You can use the same approach than with session: create a middleware to set App::setLocale("YourLanguage") based on query string.

public function handle(Request $request, Closure $next)
{
    // This example try to get "language" variable, \
    // if it not exist will define pt as default \
    // you also can use some config value: replace 'pt' by Config::get('app.locale')

    App::setLocale(request('language', 'pt'));

    return $next($request);
}

Or you can do it by Route:

// This example check the if the language exist in an array before apply
Route::get('/{language?}', function ($language = null) {
    if (isset($language) && in_array($language, config('app.available_locales'))) {
        app()->setLocale($language);
    } else {
      app()->setLocale(Config::get('app.locale'));
    }
    
    return view('welcome');
});

Source:

Laravel change language depending on a $_GET parameter

https://lokalise.com/blog/laravel-localization-step-by-step/