title: how to change url from variable to string
body: <p>how to chang url from $_GET variable to string by php function like this :</p>
  
  <p>example :  </p>
  
  <p>orginal : www.sitename.com/move/index.php?id=1 
  wanted : www.sitename.com/move/silent_hill</p>
  
  <p>note : in wordpress in the options we can choice how we want the url show in browser </p>
  
  <p>please if someone know how , tell me how</p>