<meta http-equiv='cache-control' content='no-cache'>
  <meta http-equiv='expires' content='0'>
  <meta http-equiv='pragma' content='no-cache'>
  <?php
  function clearBrowserCache() {
  header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
  header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");  
  header ("Cache-Control: no-cache, must-revalidate");  
  header ("Pragma: no-cache");
  }
  clearBrowserCache();
  $_SESSION['test']="demo";
  //echo $_SESSION['test'];
 clearstatcache() ;
 ?>
- this code is only  allowing browser to not to catch cache .but i want to delete all  cache using simple code is there any way to do it ? simply i when i run this code my browser's cache should get deleted. how to do it ?