Laravel set default language not working

php laravel localization

PHP Snippet 1:

'useAcceptLanguageHeader' => false,

PHP Snippet 2:

'hideDefaultLocaleInURL' => true,

PHP Snippet 3:

public function __construct(){}

PHP Snippet 4:

Route::get('/', function () {
    if (Session::get('language') == 'en') {
        Session::put('language', 'en');
        App::setLocale('en');
        return redirect('main-services/1/1');
    } else {
        Session::put('language', 'ar');
        App::setLocale('ar');
        return redirect('main-services/1/1');
    }
});