public function handle_model_change($model) { $tainting_classes = array(Model\Episode::name(), Model\Feed::name(), Model\Podcast::name(), Model\Template::name(), Model\TemplateAssignment::name()); $tainting_classes = apply_filters('podlove_cache_tainting_classes', $tainting_classes); if (in_array($model::name(), $tainting_classes)) { $this->taint(); } }