$is_submitted= isset($_POST['submitted']) ? $_POST['submitted'] : 0;
// show details for the current user.
-if( isset($_GET['id']) && is_numeric($_GET['id']) ) {
+if( get_array($_GET, 'id') && is_numeric($_GET['id']) ) {
$person_id= intval($_GET['id']);
} else {
plc_redirect (l_sites());