/**
* Recursively deletes folder contents
* @return boolean|null
*/
function delete()
{
if (!$this->exists()) {
return;
}
$stream = new Directory\Stream($this);
$reader = new Directory\Reader($stream);
$stream->open();
while ($info = $reader->read()) {
if ($info instanceof File) {
unlink($info->getPath());
} elseif ($info instanceof Directory) {
$info->delete();
}
}
$stream->close();
return $this->deleteEmpty();
}
