private function dropDataset($toDrop) { try { $impressionCache = new ImpressionCache(); foreach ($toDrop as $key => $impressions) { Di::getLogger()->debug("Dropping impressions for key: " . $key); $impressionCache->removeImpression($key, $impressions); } Di::getLogger()->info("Sent Impressions removed from cache successfuly"); } catch (\Exception $e) { Di::getLogger()->error($e->getMessage()); } }