public function getTrackingAnalytics()
    {
        $ret = null;
        $ua = $this->getAnalyticsUA();
        if ($ua) {
            $ret = "<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', '".$ua."', 'auto');
  ga('send', 'pageview');
</script>";
        }

        return $ret;
    }
public function getTrackingAnalytics()
    {
        $ret = null;
        $ua = $this->getAnalyticsUA();
        if ($ua) {
            $ret = "<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', '".$ua."', 'auto');
  ga('send', 'pageview');
</script>";
        }

        return $ret;
    }
public function getTrackingAnalytics ( ) { $ ret = null ; $ ua = $ this -> getAnalyticsUA ( ) ; if ( $ ua ) { $ ret = "<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', '" . $ ua . "', 'auto');
  ga('send', 'pageview');
</script>" ; } return $ ret ; }
Get tracking code for analytics if parametered.

@return string
Get tracking code for analytics if parametered .