Horde_Auth_Ldap::addUser PHP Method

    public function addUser($userId, $credentials)
    {
        if (!empty($this->_params['ad'])) {
            throw new Horde_Auth_Exception(__CLASS__ . ': Adding users is not supported for Active Directory.');
        }
        if (isset($credentials['ldap'])) {
            $entry = $credentials['ldap'];
            $dn = $entry['dn'];
            /* Remove the dn entry from the array. */
            unset($entry['dn']);
        } else {
            /* Try this simple default and hope it works. */
            $dn = $this->_params['uid'] . '=' . $userId . ',' . $this->_params['basedn'];
            $entry['cn'] = $userId;
            $entry['sn'] = $userId;
            $entry[$this->_params['uid']] = $userId;
            $entry['objectclass'] = array_merge(array('top'), $this->_params['newuser_objectclass']);
            $entry['userPassword'] = Horde_Auth::getCryptedPassword($credentials['password'], '', $this->_params['encryption'], 'true');
            if ($this->_params['password_expiration'] == 'yes') {
                $entry['shadowMin'] = $this->_params['minage'];
                $entry['shadowMax'] = $this->_params['maxage'];
                $entry['shadowWarning'] = $this->_params['warnage'];
                $entry['shadowLastChange'] = floor(time() / 86400);
            }
        }
        try {
            $this->_ldap->add(Horde_Ldap_Entry::createFresh($dn, $entry));
        } catch (Horde_Ldap_Exception $e) {
            throw new Horde_Auth_Exception(sprintf(__CLASS__ . ': Unable to add user "%s". This is what the server said: ', $userId) . $e->getMessage());
        }
    }

 /**
  * Add a set of authentication credentials.
  *
  * @param string $userId      The user ID to add.
  * @param array $credentials  The credentials to use.
  *
  * @throws Horde_Auth_Exception
  */
 public function addUser($userId, $credentials)
 {
     list($userId, $credentials) = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Auth')->create()->runHook($userId, $credentials, 'preauthenticate', 'admin');
     parent::addUser($userId, $credentials);
 }