Add prefix to link url
I want to add image link on wordpress site which redirect the user to the another page of same url but with different prefix. for example
page url is mydomain.com/post1234 when user click the image on this page it redirect the user to the url mydomain.com/md/post1234
The following code print the current page url on every post page on site but i want to add “md” prefix in the url
<a href="<?php $Path=$_SERVER['REQUEST_URI']; $URI='http://www.example.com'.$Path; ?>"><img src="<?php bloginfo('template_url'); ?>/images/sgxx.png">Click Here</a>
Pls suggest the correct code to do this.