title: What does this php construct mean: $html->redirect("URL")?
body: <p>I've seen this "-> " elsewhere used in php. One of the books I used to learn PHP has this in it, but it is never explained. What does it do, how does it work!</p>
  
  <p>The redirect bit I know, but what is happening with the $html variable and the redirect function?</p>
  
  <p>Thanks in advance!</p>