albertlast / SMF2.1

	// If not set, show a default path for the base directory

	if (!isset($_GET['save']) && empty($modSettings['basedirectory_for_attachments']))

		if (is_dir($modSettings['attachmentUploadDir'][1]))

			$modSettings['basedirectory_for_attachments'] = $modSettings['attachmentUploadDir'][1];

	else

		$modSettings['basedirectory_for_attachments'] = $context['attachmentUploadDir'];

	$context['valid_upload_dir'] = is_dir($context['attachmentUploadDir']) && is_writable($context['attachmentUploadDir']);

		$_POST['current_base_dir'] = isset($_POST['current_base_dir']) ? (int) $_POST['current_base_dir'] : 1;

		if (empty($_POST['new_base_dir']) && !empty($_POST['current_base_dir']))

		{

			if ($modSettings['basedirectory_for_attachments'] != $modSettings['attachmentUploadDir'][$_POST['current_base_dir']])

				$update = (array(

					'basedirectory_for_attachments' => $modSettings['attachmentUploadDir'][$_POST['current_base_dir']],

				));

		}

		if (isset($_POST['base_dir']))