Neos\Cache\Backend\SimpleFileBackend::writeCacheFile PHP Method

    protected function writeCacheFile($cacheEntryPathAndFilename, $data)
    {
        $lock = new Lock($cacheEntryPathAndFilename);
        $result = file_put_contents($cacheEntryPathAndFilename, $data);
        $lock->release();
        return $result;
    }