if ($this->config_cache_maxsize > 0) {
                $TotalCachedFileSize    = array_sum($CacheDirOldFilesSize);
                $DeletedKeys['maxsize'] = [];
                foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
                    if ($TotalCachedFileSize > $this->config_cache_maxsize) {