MailboxDirectoryHelper::orderByDefault

private function orderByDefault($dirs)
{
	usort($dirs, function ($a, $b)
	{
		$aSort = $this->getOrderByDefault($a);
		$bSort = $this->getOrderByDefault($b);

		if ($aSort === $bSort)
		{
			return 0;
		}

		return $aSort > $bSort ? 1 : -1;
	});

	return $dirs;
}