if(((int) $xml->status == 0) && ($xml->challenge == $hash) && ($xml->sec == $sec)) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['id'];
if(((int) $xml->status == 0) && ($xml->challenge == $hash) && ($xml->sec == $sec)) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['id'];