title: Facebook api for invite friends
body: <p>I have a php based website www.darooadda.com. I want to know if there is any facebook API to invite friends from facebook account. If a user logins the webite using facebook account, he should be able to invite his facebook friends from the website.</p>
  
  <p>Can anyone help me with the correct api documentation or sample php code for the same?</p>