title: best way redirect/reload pages in PHP
body: <p>Whats the best way to reload/redirect a page in PHP which completely removes all history/cache? Which headers should I use?</p>
  
  <p>What happens:</p>
  
  <p>On clicking a link, get-parameters is set and a script is executed. When finished, I want to redirect and reload the page without the get-parameters. At first, it looks like nothing has happened, but when pressing F5, the changes appear.</p>
  
  <p>What I want:</p>
  
  <p>Redirect and reload so the changes appear without pressing F5. </p>