andybeak
6/16/2017 - 3:11 PM

I set an ETag that is based on a static version number because the only time I would want to process the file is if the version changes.

I set an ETag that is based on a static version number because the only time I would want to process the file is if the version changes.

header.php
content_copyfile_download
<?php  
  if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == sha1('version 1.0')) {
      header('HTTP/1.1 304 Not Modified');
      exit;
  }
  header('Cache-Control: max-age=604800, public');
  header('ETag: ' . sha1('version 1.0') );
?>