/**
* Remove session records older than a given expiration.
*
* @param int $expiration
* @return void
*/
public function sweep($expiration)
{
foreach ($this->files->files($this->path) as $file) {
// If the last modification timestamp is less than the given UNIX expiration
// timestamp, it indicates the session has expired and should be removed
// off of the disks so we don't use space for files that have expired.
if ($this->files->lastModified($file) < $expiration) {
$this->files->delete($file);
}
}
}
