/**
* Remove old backup files.
*
* @return void
*/
public function clearOutdated()
{
$files = $this->backup->manager->listContents('remote://' . $this->backup->getRemoteDirectory(), true);
$count = count($files);
if (empty($files) || $count <= $this->backup->getNumberOfBackups()) {
return;
}
$remove = $count - $this->backup->getNumberOfBackups();
asort($files);
foreach ($files as $key => $file) {
if ($key + 1 > $remove) {
return;
}
$this->backup->manager->delete('remote://' . $this->backup->getRemoteDirectory() . '/' . $file['basename']);
}
}
