title: How to return the entire request url using silverstripe
body: <p>I have website url like, I would like to get full url so that i can pass to social network for sharing purpose</p>
  
  <p>i.e. www.mysite.com/projects?tab=2</p>
  
  <p>I tried AbsoluteLink but '?tab=2' is left out. </p>