How to display the name of the section and a link to it in 1C-Bitrix?

Question

1C-Bitrix

This displays a link to the current section.

<?
CModule::IncludeModule("iblock");
$res = CIBlockSection::GetByID($arResult['IBLOCK_SECTION_ID']);
$ar_res = $res->GetNext();
?>
<a href="<? echo $ar_res['SECTION_PAGE_URL']; ?>">

please tell me how to display a link to the next section and the previous one!

Answer 1

Get all sections, and then adjacent ones from the current one.