Flash Messages

// Start PHP session session_start(); //by default requires session storage $app = new \Slim\App(); // Fetch DI Container $container = $app->getContainer(); // Register provider $container['flash'] = function () { return new \Slim\Flash\Messages(); }; $app->get('/foo', function ($req, $res, $args) { // Set flash message for next request $this->flash->addMessage('Test', 'This is a message'); // Redirect return $res->withStatus(302)->withHeader('Location', '/bar'); }); $app->get('/bar', function ($req, $res, $args) { // Add message to be used in current request $this->flash->addMessageNow('Test', 'This is another message'); // Get flash messages from previous request $messages = $this->flash->getMessages(); // Returns both flash messages print_r($messages); }); $app->run();