ok, i finally did it!

    $oProfile = BxDolProfile::getInstance($iProfileId);
    $aProfileInfo = $oProfile->getInfo();
    $sViewerModule = $oProfile->getModule();
    
    
    $aSegViewer = [];

            $aViewerInfo = bx_srv($sViewerModule, 'get_info', [$oProfile->getContentId(), false]);
            
            if(!empty($aViewerInfo) && is_array($aViewerInfo)) {
                if(!empty($aViewerInfo['gender']))
                    $aSegViewer['gender'] = $aViewerInfo['gender'];

                if(!empty($aViewerInfo['birthday']))
                    $aSegViewer['age'] = bx_birthday2age($aViewerInfo['birthday']);

                if(!empty($aViewerInfo['location'])) {
                    $aLocation = unserialize($aViewerInfo['location']);
                    if(!empty($aLocation['country']))
                        $aSegViewer['country'] = $aLocation['country'];
                }

                if(!empty($aViewerInfo['tags']))
                    $aSegViewer['tags'] = explode(',', $aViewerInfo['tags']);
            }
       
    echo $aSegViewer['gender'];echo $aSegViewer['age'];echo $aSegViewer['country'];