State::handlerBeforeIblockElementUpdate

static function handlerBeforeIblockElementUpdate(array &$fields): bool
{
	if (!self::checkIblockId($fields))
	{
		return true;
	}

	$limit = self::checkIblockLimit((int)$fields['IBLOCK_ID']);
	if (empty($limit))
	{
		return true;
	}

	if (!isset($fields['IBLOCK_SECTION']) || !is_array($fields['IBLOCK_SECTION']))
	{
		return true;
	}
	$sections = $fields['IBLOCK_SECTION'];
	MainTypeCollection::normalizeArrayValuesByInt($sections, true);
	if (empty($sections))
	{
		return true;
	}
	self::loadIblockSections((int)$fields['IBLOCK_ID']);
	$sections = array_intersect($sections, self::$fullIblockSections);
	if (empty($sections))
	{
		return true;
	}
	unset($sections);

	$notMove = false;
	$iterator = IblockSectionElementTable::getList([
		'select' => ['IBLOCK_SECTION_ID'],
		'filter' => [
			'=IBLOCK_ELEMENT_ID' => $fields['ID'],
			'=ADDITIONAL_PROPERTY_ID' => null,
		],
	]);
	while ($row = $iterator->fetch())
	{
		$row['ID'] = (int)$row['ID'];
		if (isset(self::$fullIblockSections[$row['ID']]))
		{
			$notMove = true;
			break;
		}
	}
	unset($row, $iterator);
	if ($notMove)
	{
		return true;
	}

	self::setProductLimitError($limit['MESSAGE']);
	unset($limit);

	return false;
}