RowType::parseIndexList

static function parseIndexList(array $ids): array
{
	$elementIds = [];
	$sectionIds = [];

	foreach ($ids as $id)
	{
		[$type, $id] = self::parseIndex($id);

		if ($type === self::ELEMENT)
		{
			$elementIds[] = $id;
		}
		else
		{
			$sectionIds[] = $id;
		}
	}

	return [$elementIds, $sectionIds];
}