user/edit

$cookies = array();
$names = array(
 'MOODLEID_'.$CFG->sessioncookie,
 'MoodleSession'.$CFG->sessioncookie,
 'MoodleSessionTest'.$CFG->sessioncookie
);
foreach ($names as $name) {
 if (isset($_COOKIE[$name])) {
  $cookies[$name] = $_COOKIE[$name];
 }
}