1 <?php 2 # This resource won't be cached by network layer, but will be cached by appcache. 3 header("Last-Modified: Thu, 01 Dec 2003 16:00:00 GMT"); 4 header("Expires: Thu, 01 Dec 2003 16:00:00 GMT"); 5 header("Cache-Control: no-cache, no-store"); 6 header("Pragma: no-cache"); 7 header("Content-Type: text/plain"); 8 9 if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] || $_SERVER['HTTP_IF_NONE_MATCH']) 10 header("HTTP/1.1 304 Not Modified"); 11 else 12 print("Hello, world!\n"); 13 ?> 14
