Редактирования пароля из админки

public function addUser($user){
 
        $errors = false;
 
        if ($user['password1'] != $user['password2']){
            $errors['password1'] = LANG_REG_PASS_NOT_EQUAL;
            $errors['password2'] = LANG_REG_PASS_NOT_EQUAL;
            return array( 'success'=>false, 'errors'=>$errors );
        }
 
        $date_reg = date('Y-m-d H:i:s');
        $date_log = $date_reg;
 
        $password_salt = md5(implode(':', array($user['password1'], session_id(), microtime(), uniqid())));
        $password_salt = substr($password_salt, rand(1,8), 16);
        $password_hash = md5(md5($user['password1']) . $password_salt);
 
        $groups = !empty($user['groups']) ? $user['groups'] : array(DEF_GROUP_ID);
 
        $user = array_merge($user, array(
            'groups' => $groups,
            'password' => $password_hash,
            'password_salt' => $password_salt,
            'date_reg' => $date_reg,
            'date_log' => $date_log,
			'time_zone' => cmsConfig::get('time_zone')
        ));
 
        $id = $this->insert('cms_users', $user);
 
        if ($id){
 
            $this->saveUserGroupsMembership($id, $groups);
 
            cmsCore::getController('activity')->addEntry('users', 'signup', array(
                'user_id' => $id
            ));
 
        }
 
        cmsCache::getInstance()->clean("users.list");
 
        return array(
            'success' => $id!==false,
            'errors' => false,
            'id' => $id
        );
 
    }