// Pass a true old $user here.
 if (!$authplugin->user_update($user, $usernew)) {
     // Auth update failed.
     print_error('cannotupdateprofile');
 }
 // Update user with new profile data.
 user_update_user($usernew, false, false);
 // Update preferences.
 useredit_update_user_preference($usernew);
 // Update interests.
 if (isset($usernew->interests)) {
     useredit_update_interests($usernew, $usernew->interests);
 }
 // Update user picture.
 if (empty($CFG->disableuserimages)) {
     useredit_update_picture($usernew, $userform, $filemanageroptions);
 }
 // Update mail bounces.
 useredit_update_bounces($user, $usernew);
 // Update forum track preference.
 useredit_update_trackforums($user, $usernew);
 // Save custom profile fields data.
 profile_save_data($usernew);
 // Trigger event.
 \core\event\user_updated::create_from_userid($user->id)->trigger();
 // If email was changed and confirmation is required, send confirmation email now to the new address.
 if ($emailchanged && $CFG->emailchangeconfirmation) {
     $tempuser = $DB->get_record('user', array('id' => $user->id), '*', MUST_EXIST);
     $tempuser->email = $usernew->preference_newemail;
     $a = new stdClass();
     $a->url = $CFG->wwwroot . '/user/emailupdate.php?key=' . $usernew->preference_newemailkey . '&id=' . $user->id;

        $usercreated = false;
    }

    $usercontext = get_context_instance(CONTEXT_USER, $usernew->id);

    //update preferences
    useredit_update_user_preference($usernew);

    // update tags
    if (!empty($CFG->usetags) and empty($USER->newadminuser)) {
        useredit_update_interests($usernew, $usernew->interests);
    }

    //update user picture
    if (!empty($CFG->gdversion) and empty($USER->newadminuser)) {
        useredit_update_picture($usernew, $userform);
    }

    // update mail bounces
    useredit_update_bounces($user, $usernew);

    // update forum track preference
    useredit_update_trackforums($user, $usernew);

    // save custom profile fields data
    profile_save_data($usernew);

    // reload from db
    $usernew = $DB->get_record('user', array('id'=>$usernew->id));

    // trigger events