/**
* (non-PHPdoc)
* @see \Koldy\Cache\Driver\AbstractDriver::deleteOld()
*/
public function deleteOld($olderThenSeconds = null)
{
if ($olderThenSeconds === null) {
$olderThenSeconds = $this->defaultDuration;
}
$delete = new Delete($this->config['table']);
$delete->setConnection($this->config['connection'])->where('expires_at', '<=', time())->exec();
}
