Piwik\Plugins\Referrers\Referrers::extendVisitorDetails PHP Method

    public function extendVisitorDetails(&$visitor, $details)
    {
        $instance = new Visitor($details);
        $visitor['referrerType'] = $instance->getReferrerType();
        $visitor['referrerTypeName'] = $instance->getReferrerTypeName();
        $visitor['referrerName'] = $instance->getReferrerName();
        $visitor['referrerKeyword'] = $instance->getKeyword();
        $visitor['referrerKeywordPosition'] = $instance->getKeywordPosition();
        $visitor['referrerUrl'] = $instance->getReferrerUrl();
        $visitor['referrerSearchEngineUrl'] = $instance->getSearchEngineUrl();
        $visitor['referrerSearchEngineIcon'] = $instance->getSearchEngineIcon();
    }