Twig_Environment::enableDebug PHP Method

    public function enableDebug()
    {
        $this->debug = true;
    }

 /**
  * Twig adapter constructor.
  *
  * @param AbstractRenderer $renderer
  */
 public function __construct(AbstractRenderer $renderer, array $config = [])
 {
     parent::__construct($renderer, $config);
     $this->loader = new TwigLoaderFilesystem([]);
     $application = $this->renderer->getApplication();
     $this->twig = new \Twig_Environment($this->loader, $config);
     if ($application->isDebugMode() || isset($config['debug']) && true === $config['debug']) {
         $this->twig->enableDebug();
         $this->twig->addExtension(new \Twig_Extension_Debug());
     } elseif ($application->isClientSAPI()) {
         $this->twig->enableAutoReload();
         $this->setTwigCache($application->getCacheDir() . DIRECTORY_SEPARATOR . 'twig');
     }
 }