/**
* Clean Cached Data
*
* @param string|optional $mode
* Cleaning Mode
*
* @return boolean
* TRUE on success and FALSE otherwise
*
* @throws Next\Cache\Backend\BackendException
* Trying to clean old or user caches, which is not supported
* by File Backend
*/
public function clean($mode = self::CLEAN_USER)
{
clearstatcache();
switch ($mode) {
case parent::CLEAN_OLD:
throw BackendException::cleanOldCache();
break;
case parent::CLEAN_USER:
throw BackendException::cleanUserCache();
break;
case parent::CLEAN_ALL:
default:
return Tools::delete($this->options->outputDirectory);
break;
}
}
