GC cache entry "" was on gc-list for seconds foreach ($keys as $key => $value) { if ($is_apcu) { @apcu_store($key, $value, $ttl); } } return $this; } public function deleteKeys(array $keys) { static $is_apcu; if ($is_apcu === null) { $is_apcu = self::isAPCu(); } foreach ($keys as $key) { if ($is_apcu) { apcu_delete($key); } } return $this; } public function destroyCache() { static $is_apcu; if ($is_apcu === null) { $is_apcu = self::isAPCu(); } if ($is_apcu) { apcu_clear_cache(); } return $this; } private static function isAPCu() { return function_exists('apcu_fetch'); } }