Не определяется IP пользователей

 
    /**
     * Обновляет данные пользователя
     * @return bool
     */
    public function update() {
 
        $inCore = cmsCore::getInstance();
 
        $user_id = isset($_SESSION['user']['id']) ? $_SESSION['user']['id'] : 0;
 
        if (!$user_id){
            $this->id       = 0;
	    $this->ip       = $_SERVER['REMOTE_ADDR'];
            $this->is_admin = 0;
            $this->group_id = self::getGuestGroupId();
            return true;
        }
 
        $info = $this->loadUser($user_id);
 
        if (!$info){ return false; }
 
        foreach($info as $key=>$value){
            $this->{$key}   = $value;
        }
 
        if (!file_exists(PATH.'/images/users/avatars/small/'.$this->imageurl) || !$this->imageurl){ $this->imageurl = 'nopic.jpg'; }
 
        $this->id = (int)$user_id;
 
        $this->checkBan();
 
        return true;
 
    }
 

 
    public function loadUser($user_id) {
 
        $inDB       = cmsDatabase::getInstance();
        $inCore     = cmsCore::getInstance();
 
        $sql    = "SELECT u.*, g.is_admin is_admin, p.imageurl as imageurl
                   FROM cms_users u
				   INNER JOIN cms_user_groups g ON g.id = u.group_id
				   INNER JOIN cms_user_profiles p ON p.user_id = u.id
                   WHERE u.id='$user_id' AND u.is_deleted = 0 AND u.is_locked = 0 LIMIT 1";
 
        $result = $inDB->query($sql);
 
        if($inDB->num_rows($result) !== 1) { return false; }
 
        $info   = $inDB->fetch_assoc($result);
 
        $info['ip']         = $_SERVER['REMOTE_ADDR'];
 
        return $info;
 
    }