Symfony 2.8 injecting twig
try to change twig with EngineInterface like this:
services: appbundle.newsletter: class: AppBundle\Model\Newsletter arguments: ['@templating']And
namespace AppBundle\Model;use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface;class Newsletter{ private $twig; public function __construct(EngineInterface $templating) { $this->twig = $templating; }}After you need o call the service:
$this->get('service_name');
When you call $newsletter = new Newsletter(); you're not accessing the service through the dependency injection container, ignoring the service definition you did.
To leverage the DIC and have your dependencies like @twig injected on your service, you should grab the service instance using the service container. To do that on a Symfony controller you can do it like this:
$newsletter = $this->get('appbundle.newsletter');@twig is gonna be injected in your service as defined on the yaml file and it is shared between every place you use your service again through the container.