is::normalizeQueryArray

protected function normalizeQueryArray($value)
{
	$result = array();
	if(is_array($value))
	{
		foreach($value as $v)
		{
			if(strlen($v))
				$result[] = $this->parseQueryCode($v);
		}
	}

	$result = array_unique($result);
	sort($result, SORT_STRING);

	return $result;
}