CWebDavSymlinkHelper::getIblockIdForSectionId

static function getIblockIdForSectionId($sectionId)
{
	if(isset(self::$_cacheDataSectionIblockId[$sectionId]))
	{
		return self::$_cacheDataSectionIblockId[$sectionId];
	}
	self::$_cacheDataSectionIblockId[$sectionId] = null;
	$getIblock = CIBlockSection::GetList(array(), array('ID' => $sectionId, 'CHECK_PERMISSIONS' => 'N'), false, array('IBLOCK_ID'));
	if($getIblock && ($getIblock = $getIblock->fetch()))
	{
		self::$_cacheDataSectionIblockId[$sectionId] = $getIblock['IBLOCK_ID'];
	}

	return self::$_cacheDataSectionIblockId[$sectionId];
}