I do have a twig extension which has a method that uses another method from a different controller to render a json output via dependency jsonResponse.
How can I render a controller within a twig extension?
The following code below doesn't seem to work, because render() needs a view file instead of a controller. And I am now referencing to a controller.
class AreaExtension extends \Twig_Extension {
public function add()
{
$outputJson = $this->container->get('templating')->render(new ControllerReference('CMSCoreBundle:Area:index'));
}
}
$ref = new ControllerReference('CMSCoreBundle:Area:index');
$this->handler->render( $ref, 'inline', $options );
Where $this->handler is the fragment.handler service.
In your case:
$outputJson = $this->container->get('fragment.handler')->render(new ControllerReference('CMSCoreBundle:Area:index'));
You can find a full example in this symfony twig extension, see: https://github.com/symfony/symfony/blob/4.1/src/Symfony/Bridge/Twig/Extension/HttpKernelExtension.php#L28 and https://github.com/symfony/symfony/blob/4.1/src/Symfony/Bridge/Twig/Extension/HttpKernelRuntime.php#L41
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