private static function sortableNames(Individual $individual)
{
$names = $individual->getAllNames();
$primary = $individual->getPrimaryName();
list($surn, $givn) = explode(',', $names[$primary]['sort']);
$givn = str_replace('@P.N.', 'AAAA', $givn);
$surn = str_replace('@N.N.', 'AAAA', $surn);
return array($surn . 'AAAA' . $givn, $givn . 'AAAA' . $surn);
}