use Slim\Routing\RouteContext;
use Slim\Routing\RouteParser;
use Slim\Views\Twig;
+use Twig\Extra\String\StringExtension;
$container = $app->getContainer();
//Twig extensions
$view->addExtension(new \Galette\Twig\CsrfExtension($c->get('csrf')));
+ $view->addExtension(new StringExtension());
if (\Galette\Core\Galette::isDebugEnabled()) {
$view->addExtension(new \Twig\Extension\DebugExtension());
}