public function expire_cache()
{
# Have to call this twice in order to expire tags that may have been removed
if ($this->old_cached_tags) {
\Moebooru\CacheHelper::expire(['tags' => $this->old_cached_tags]);
}
\Moebooru\CacheHelper::expire(['tags' => $this->cached_tags]);
}
protected function update_cache_on_create()
{
Moebooru\CacheHelper::expire_tag_version();
}