route('GET /@slug:[a-z0-9\-]+/$', function() use ($flight) { // getting position and build route $position = strlen($flight->request()->url) - 1; $route = substr_replace($flight->request()->url, '', $position, 1); $flight->redirect($route); }); $flight->route('GET /404', array(new App\Controllers\PageController, 'notFoundAction')); $flight->route('GET /(@slug:[a-z0-9\-]+$)', array(new App\Controllers\PageController, 'getAction')); $flight->start();