ksort($member_details);
foreach ($member_details as $uri => $details) {
if ($details['is_admin'])
{
$this->elementStart('Agent', array('rdf:about' => $uri));
$this->element('nick', null, $details['nickname']);
ksort($member_details);
foreach ($member_details as $uri => $details) {
if ($details['is_admin'])
{
$this->elementStart('Agent', array('rdf:about' => $uri));
$this->element('nick', null, $details['nickname']);