public function onInvalidateTag(HttpCacheEvent $event)
    {
        $tags = $event->getData();

        if (empty($tags)) {
            return;
        }

        $this->tagManager->invalidateTags($tags);
    }
public function onInvalidateTag(HttpCacheEvent $event)
    {
        $tags = $event->getData();

        if (empty($tags)) {
            return;
        }

        $this->tagManager->invalidateTags($tags);
    }
public function onInvalidateTag ( HttpCacheEvent $ event ) { $ tags = $ event -> getData ( ) ; if ( empty ( $ tags ) ) { return ; } $ this -> tagManager -> invalidateTags ( $ tags ) ; }
Invalidate tags event handler.

@param HttpCacheEvent $event
Invalidate tags event handler .