Coduo\TuTu\Kernel::registerTwig PHP Method

    private function registerTwig()
    {
        $resourcesPath = $this->container->getParameter('tutu.root_path') . '/resources';
        if ($customPath = getenv('tutu_resources')) {
            if (!file_exists($customPath)) {
                throw new \RuntimeException(sprintf('Custom resources path \\"%s\\" does not exist.', $customPath));
            }
            $resourcesPath = $customPath;
        }
        $this->container->setParameter('resources_path', $resourcesPath);
        $this->container->setStaticDefinition('twig_loader', function ($container) {
            $stringLoader = new \Twig_Loader_String();
            $filesystemLoader = new \Twig_Loader_Filesystem();
            $filesystemLoader->addPath($container->getParameter('resources_path'), 'resources');
            return new \Twig_Loader_Chain([$filesystemLoader, $stringLoader]);
        });
        $this->container->setStaticDefinition('twig', function ($container) {
            $defaultOptions = ['cache' => $container->getParameter('tutu.root_path') . '/var/twig', 'globals' => []];
            $options = $container->hasParameter('twig') && is_array($container->getParameter('twig')) ? array_merge($defaultOptions, $container->getParameter('twig')) : $defaultOptions;
            $twig = new \Twig_Environment($container->getService('twig_loader'), $options);
            if (is_array($options['globals'])) {
                foreach ($options['globals'] as $name => $value) {
                    $twig->addGlobal($name, $this->getValue($value));
                }
            }
            return $twig;
        });
    }