1<?php
2 if (!isset($_SERVER['PHP_AUTH_USER'])) {
3 header('WWW-Authenticate: Basic realm="WebKit AppCache Test Realm"');
4 header('HTTP/1.0 401 Unauthorized');
5 echo 'Authentication canceled';
6 exit;
7 } else {
8 echo "/* Empty subresource */";
9 }
10?>
11