/**
* @param string $file
* @param string $data
* @param bool $secureFileManipulation
* @return bool
* @throws phpFastCacheIOException
*/
protected function writefile($file, $data, $secureFileManipulation = false)
{
/**
* @eventName CacheWriteFileOnDisk
* @param ExtendedCacheItemPoolInterface $this
* @param string $file
* @param bool $secureFileManipulation
*
*/
$this->eventManager->dispatch('CacheWriteFileOnDisk', $this, $file, $secureFileManipulation);
if ($secureFileManipulation) {
$tmpFilename = Directory::getAbsolutePath(dirname($file) . '/tmp_' . md5(str_shuffle(uniqid($this->getDriverName(), false)) . str_shuffle(uniqid($this->getDriverName(), false))));
$f = fopen($tmpFilename, 'w+');
flock($f, LOCK_EX);
$octetWritten = fwrite($f, $data);
flock($f, LOCK_UN);
fclose($f);
if (!rename($tmpFilename, $file)) {
throw new phpFastCacheIOException(sprintf('Failed to rename %s to %s', $tmpFilename, $file));
}
} else {
$f = fopen($file, 'w+');
$octetWritten = fwrite($f, $data);
fclose($f);
}
return $octetWritten !== false;
}
