Multilanguage routing about core HOT 9 CLOSED

// Setup possible languages
Flight::set('possible_languages', array('en', 'de', 'fr', 'it'));

// Set default language if not present in url
Flight::set('language', 'en');

// Setup route to check the language
Flight::route('(/@lang:[a-z]{2})', function($language){

    // Check if valid language
    if (in_array($language, Flight::get('possible_languages'))) {

        // Set language
        Flight::set('language', $language);

        // Continue to next route
        return true;
    }
});

// define all other routes

Flight::set('possible_languages', array('en', 'de', 'fr', 'it'));// Setup possible languages
Flight::set('language', 'en');// Set default language if not present in url
// Setup route to check the language - add here /[a-z]+ because is not found the next route
Flight::route('(/@lang:[a-z]{2}/[a-z]+)', function($lang){ 
    // Check if valid language
    if (in_array($lang, Flight::get('possible_languages'))) {
        // Set language
        Flight::set('language', $lang);
        // Continue to next route
        return true;
    }
});
/* Others Routing */
Flight::route('/[a-z]{2}/login', array('AuthController','login')); // added [a-z]{2}

Flight::route('(/@language:[a-z]{2})(/*)', function($language) {});

Flight::route('(/@language:[a-z]{2})(/[0-9a-z]+)(/[0-9a-z]+)', function($language) {});

/**
 * Change the default language.
 */
Flight::route('(/@language:[a-z]{2})(/[0-9a-z]+)(/[0-9a-z]+)', function($language) {
    error_log('set lang...' . $language);
    if (in_array($language, Flight::get('possible_languages'))) {
        Flight::set('language', $language);   
    }
    return true;
});

/**
 * Route the root to our welcome controller.
 */
Flight::route('(/[a-z]{2})/', array('Controller_Welcome', 'index'));

/**
 * Route to the system controller.
 */
Flight::route('(/[a-z]{2})/admin', array('Controller_Admin', 'index'));
Flight::route('(/[a-z]{2})/admin/index', array('Controller_Admin', 'index'));

/**
 * Show a 404 error page if no route has jumped in yet.
 */
Flight::map('notFound', function() {
    Flight::render('404', array(), 'content');
    Flight::render('html5', array(
        'language' => Flight::get('language'),
        'title' => I18n::__('notfound_head_title')
    ));
});

Flight::route('(/@lang:[a-z]{2})/@page', function($lang, $page){
    if (!empty($lang)) {
        // Set language
    }

    // Load page controller
});

Flight::route('/@lang:[a-z]{2}/*', function($lang){
    // Set language
});

Flight::route('(/@language:[a-z]{2})(/*)', function($language) {
     // set the language...
     return true;
});

//other routes with optional language code follow...