require_once(__DIR__ . '/vendor/autoload.php');

class Test {

    public $loader;
    public $twig;

    public function __construct() {
        $this->loader = new Twig_Loader_Filesystem(__DIR, . '/templates');

        $this->twig = new Twig_Environment($this->loader);

        $this->show_page();
     }

     public function show_page() {
         $results = get_results_from_db();

         $template = $this->twig->loadTemplate('results.twig');

         $template->render([
             'results' => $results,
         ]);
     }
}

{% for result in results %}
    <p>{{ result.name }}</p>
{% endfor %}