Base::getMeasureIds

protected function getMeasureIds(array $items)
{
	$result = array();

	if (!empty($items))
	{
		foreach (array_keys($items) as $itemId)
		{
			if (!isset($items[$itemId]['ITEM_MEASURE']))
				continue;
			$measureId = (int)$items[$itemId]['ITEM_MEASURE']['ID'];
			if ($measureId > 0)
				$result[$measureId] = $measureId;
			unset($measureId);
		}
		unset($itemId);
	}

	return $result;
}