routes.php

Router::defaultRouteClass('DashedRoute');

Router::scope('/', function (RouteBuilder $routes) {
    $routes->connect('/', ['controller' => 'Pages', 'action' => 'display', 'lang' => 'en', 'home'], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->connect('/:lang', ['controller' => 'Pages', 'action' => 'display', 'home'], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->connect('/:lang/:controller', [], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->connect('/:lang/:controller/:action/*', [], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->fallbacks(Router::defaultRouteClass());
});

Router::prefix('admin', function (RouteBuilder $routes) {
    $routes->connect('/', ['controller' => 'Dashboard', 'action' => 'index'], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->connect('/:lang/:controller', [], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->connect('/:lang/:controller/:action/*', [], ['routeClass' => 'ADmad/I18n.I18nRoute']);
    $routes->fallbacks(Router::defaultRouteClass());
});

Router::prefix('api', function ($routes) {
    $routes->extensions(['json', 'xml']);
    $routes->fallbacks(Router::defaultRouteClass());
});