Task::cleanDataToCopy

private function cleanDataToCopy($fields)
{
	$fields = $this->cleanPrimary($fields);
	$fields = $this->cleanDate($fields);
	$fields = $this->cleanStatus($fields);
	$fields = $this->cleanForumData($fields);
	$fields = $this->cleanSystemUfData($fields);
	return $fields;
}