Goetas\Twital\Twital::initExtensions PHP Method

    protected function initExtensions()
    {
        if (!$this->extensionsInitialized) {
            foreach ($this->getExtensions() as $extension) {
                $this->attributes = array_merge_recursive($this->attributes, $extension->getAttributes());
                $this->nodes = array_merge_recursive($this->nodes, $extension->getNodes());
                foreach ($extension->getSubscribers() as $subscriber) {
                    $this->dispatcher->addSubscriber($subscriber);
                }
            }
            $this->extensionsInitialized = true;
        }
    }