IblockElement::renderControlOptions

static function renderControlOptions(FieldType $fieldType, $callbackFunctionName, $value)
{
	if (is_array($value))
	{
		reset($value);
		$valueTmp = (int) current($value);
	}
	else
	{
		$valueTmp = (int) $value;
	}

	$iblockId = 0;
	if ($valueTmp > 0)
	{
		$idKey = ($fieldType->getType() === 'UF:iblock_section') ? 'SECTION_ID' : 'ID';
		$elementIterator = \CIBlockElement::getList([], [$idKey => $valueTmp], false, false, array('ID', 'IBLOCK_ID'));
		if ($element = $elementIterator->fetch())
		{
			$iblockId = $element['IBLOCK_ID'];
		}
	}

	if ($iblockId <= 0 && (int) $fieldType->getOptions() > 0)
	{
		$iblockId = (int) $fieldType->getOptions();
	}

	$defaultIBlockId = 0;

	$result = '';

	$iblockTypeIterator = \CIBlockParameters::getIBlockTypes();
	foreach ($iblockTypeIterator as $iblockTypeId => $iblockTypeName)
	{
		$result .= '';

		$iblockIterator = \CIBlock::getList(['SORT' => 'ASC'], ['TYPE' => $iblockTypeId, 'ACTIVE' => 'Y']);
		while ($iblock = $iblockIterator->fetch())
		{
			$result .= ''
				.Main\Text\HtmlFilter::encode($iblock['NAME']).'';
			if (($defaultIBlockId <= 0) || ($iblock['ID'] == $iblockId))
				$defaultIBlockId = $iblock['ID'];
		}

		$result .= '';
	}
	$result .= '';
	$fieldType->setOptions($defaultIBlockId);

	return $result;
}