php api für wbb 3.1 funktioniert in wbb 4.1 nicht mehr

<?php


require_once('/pfad/zu/deiner/wbb/global.php');


use wcf\data\user\UserAction;
use wcf\data\user\User;
use wcf\util\UserUtil;
use wcf\util\StringUtil;


class api {


    private $userID;


    public function __construct($userID) {
        $this->userID = $userID;
    }


    public function getUserBanReason() {
        $user = new User($this->userID);
        return $user->banReason;
    }


    public function banUser($Reason) {
        return (new UserAction([$this->userID], 'ban', ['banReason' => escapeString($Reason), 'banExpires' => '']))->executeAction();
    }


    public function isUserBanned() {
        $user = new User($this->userID);
        if ($user->banned != 0) {
            return 1;
        } else {
            return 0;
        }
    }


    public function AddUserActivityPoints($points = NULL, $userID = NULL) {
//        $user = new UserRank($this->userID);
//        echo "0";
//        echo $user->updateActivityPoints($points, $userID);
        /* Es scheint so das man im WBB 4.1 nicht mehr Manuell die Punkte vergeben kann, diese werden nur noch über bestimmte Events vergeben.
         * Gegebenfalls im Woltlab Forum mal nachfrage */
    }


    public function userID($username) {
        $user = User::getByUsername($username);
        if ($user->getUserID() > 0) {
            echo $user->getUserID();
        }
    }


    public function addUser($username, $password, $emailadress) {
        $output = 0;


        $username = StringUtil::trim($username);
        $password = StringUtil::trim($password);
        $emailadress = StringUtil::trim($emailadress);


        if (!UserUtil::isValidUsername($username)) {
            $output = -1;
            return $output;
        }
        if (!UserUtil::isAvailableUsername($username)) {
            $output = -2;
            return $output;
        }
        if (!UserUtil::isValidEmail($emailadress)) {
            $output = -3;
            return $output;
        }
        if (!UserUtil::isAvailableEmail($emailadress)) {
            $output = -4;
            return $output;
        }


        $data = [
            'data' => [
                'languageID' => 2, // Anpassen auf eure standard Sprach ID(zu finden im ACP)
                'enableGravatar' => 1,
                'registrationIpAddress' => UserUtil::getIpAddress(),
                'username' => $username,
                'email' => $emailadress,
                'password' => $password,
            ],
            'groups' => [],
            'languageIDs' => [2], // Anpassen auf eure standard Sprach ID(zu finden im ACP)
            'options' => [],
            'addDefaultGroups' => true
        ];


        $objectAction = new UserAction([], 'create', $data);
        $result = $objectAction->executeAction();
        if (is_object($result['returnValues'])) {
            return $result['returnValues']->getUserID();
        }
    }


    public function checkPassword($password) {
        $user = new User($this->userID);
        $output = $user->checkPassword($password);
        if (!$output) {
            $output = '0';
        }
        return $output;
    }


    public function setUserToGroup($groupID) {
        $output = '0';
        (new UserAction(array($this->userID), 'addToGroups', array('groups' => array($groupID), 'addDefaultGroups' => false, 'deleteOldGroups' => false)))->executeAction();
        return $output;
    }


    public function removeUserFromGroup($groupID) {
        $output = '0';
        (new UserAction(array($this->userID), 'removeFromGroups', array('groups' => array($groupID))))->executeAction();
        return $output;
    }


}