GatherContent\LaravelFractal\LaravelFractalService::item PHP Method

    public function item($item, TransformerAbstract $transformer, Closure $callback = null)
    {
        $resource = new Item($item, $transformer);
        if (!is_null($callback)) {
            call_user_func($callback, $resource);
        }
        return $this->buildResponse($resource);
    }