That example is framework specific. Change the php framework to laravel and this: $topic = $this->get('model.Topic')->find($topic_id); $this->get('guar

That example is framework specific. Change the php framework to laravel and this: $topic = $this->get('model.Topic')->find($topic_id); $this->get('guardian')->ensureVisible($topic); becomes this: $topic = Topic::find($topicId); Guardian::ensureVisible($topic);