Pinq\Caching\CSVFileCache::flushFileData PHP Метод

    private function flushFileData()
    {
        $fileHandle = $this->fileHandle;
        if ($fileHandle->flock(LOCK_EX)) {
            $fileHandle->fseek(0, SEEK_SET);
            $fileHandle->ftruncate(0);
            foreach ($this->getFileData() as $signature => $serializedValue) {
                $fileHandle->fputcsv([$signature, $serializedValue]);
            }
            $fileHandle->flock(LOCK_UN);
        }
    }