$response = new Response(); $response->setContent("Hello world!"); $response->send();
$response = new Response(); $twig = new Twig_Environment($loader); $template = $twig->load('some_template.html'); $content = $template->render(array('name' => 'John')); $response->setContent($content); $response->send();In this example, the content of the response is set using a template engine (Twig). The template is loaded and rendered with some data (in this case, the name "John"). The rendered content is then set as the content of the response and sent to the client. This method is part of the Symfony package library, which is a set of PHP components and a PHP web application framework.