Base::getPropertyList

protected function getPropertyList($iblock, $propertyCodes)
{
	$propertyList = array();
	if (empty($propertyCodes))
		return $propertyList;

	$propertyCodes = array_fill_keys($propertyCodes, true);

	$propertyIterator = IblockPropertyTable::getList(array(
		'select' => array('ID', 'CODE', 'SORT'),
		'filter' => array('=IBLOCK_ID' => $iblock, '=ACTIVE' => 'Y'),
		'order' => array('SORT' => 'ASC', 'ID' => 'ASC')
	));
	while ($property = $propertyIterator->fetch())
	{
		$code = (string)$property['CODE'];

		if ($code == '')
		{
			$code = $property['ID'];
		}

		if (!isset($propertyCodes[$code]))
			continue;

		$propertyList[] = $code;
	}

	return $propertyList;
}