CAllIBlockSection::GetMixedList

static function GetMixedList($arOrder=array("SORT"=>"ASC"), $arFilter=array(), $bIncCnt = false, $arSelectedFields = false)
{
	$arResult = [];

	if (!is_array($arOrder))
	{
		$arOrder = ['SORT' => 'ASC'];
	}

	if (!is_array($arSelectedFields))
	{
		$arSelectedFields = [];
	};
	$emptySelect = empty($arSelectedFields) || in_array('*', $arSelectedFields);

	if (!empty($arFilter))
	{
		$arFilter = array_change_key_case($arFilter, CASE_UPPER);
	}

	$arFilter = static::normalizeMixedFilter($arFilter);

	if (static::checkLoadSections($arFilter))
	{
		$arSectionFilter = $arFilter;

		$sectionFields = [
			'ID' => true,
			'CODE' => true,
			'XML_ID' => true,
			'EXTERNAL_ID' => true,
			'IBLOCK_ID' => true,
			'IBLOCK_SECTION_ID' => true,
			'TIMESTAMP_X' => true,
			'TIMESTAMP_X_UNIX' => true,
			'SORT' => true,
			'NAME' => true,
			'ACTIVE' => true,
			'GLOBAL_ACTIVE' => true,
			'PICTURE' => true,
			'DESCRIPTION' => true,
			'DESCRIPTION_TYPE' => true,
			'LEFT_MARGIN' => true,
			'RIGHT_MARGIN' => true,
			'DEPTH_LEVEL' => true,
			'SEARCHABLE_CONTENT' => true,
			'MODIFIED_BY' => true,
			'DATE_CREATE' => true,
			'DATE_CREATE_UNIX' => true,
			'CREATED_BY' => true,
			'DETAIL_PICTURE' => true,
			'TMP_ID' => true,

			'LIST_PAGE_URL' => true,
			'SECTION_PAGE_URL' => true,
			'IBLOCK_TYPE_ID' => true,
			'IBLOCK_CODE' => true,
			'IBLOCK_EXTERNAL_ID' => true,
			'SOCNET_GROUP_ID' => true,
		];

		if ($emptySelect)
		{
			$sectionSelect = array_keys($sectionFields);
		}
		else
		{
			$sectionSelect = [];
			foreach ($arSelectedFields as $field)
			{
				if (!isset($sectionFields[$field]))
				{
					continue;
				}
				$sectionSelect[$field] = $field;
			}
			unset($field);
			if (!empty($sectionSelect))
			{
				$sectionSelect = array_values($sectionSelect);
			}
		}

		$obSection = new CIBlockSection;
		$rsSection = $obSection->GetList($arOrder, $arSectionFilter, $bIncCnt, $sectionSelect);
		while ($arSection = $rsSection->Fetch())
		{
			$arSection['TYPE'] = IblockGridRowType::SECTION;
			$arResult[] = $arSection;
		}
		unset($arSection);
		unset($rsSection);
		unset($obSection);
	}

	if (static::checkLoadElements($arFilter))
	{
		$arElementFilter = $arFilter;
		$arElementFilter['SHOW_NEW'] = ($arFilter['SHOW_NEW'] ?? 'Y') === 'N' ? 'N' : 'Y';

		if ($emptySelect)
		{
			$arSelectedFields = ["*"];
		}

		$obElement = new CIBlockElement;

		$rsElement = $obElement->GetList($arOrder, $arElementFilter, false, false, $arSelectedFields);
		while ($arElement = $rsElement->Fetch())
		{
			$arElement['TYPE'] = IblockGridRowType::ELEMENT;
			$arResult[] = $arElement;
		}
		unset($arElement);
		unset($rsElement);
		unset($obElement);
	}

	$rsResult = new CDBResult;
	$rsResult->InitFromArray($arResult);
	unset($arResult);

	return $rsResult;
}