Ticket #1323: last-modified.patch

wp-blog-header.php

@@ -135 +135 @@
 
         if ( ($client_last_modified && $client_etag) ?
                 ((strtotime($client_last_modified) >= strtotime($wp_last_modified)) && ($client_etag == $wp_etag)) :
-                ((strtotime($client_last_modified) >= strtotime($wp_last_modified)) || ($client_etag == $wp_etag)) ) {
+                ($client_last_modified && (strtotime($client_last_modified) >= strtotime($wp_last_modified)) || ($client_etag == $wp_etag)) ) {
                 if ( preg_match('/cgi/',php_sapi_name()) ) {
                         header('Status: 304 Not Modified');
                         echo "\r\n\r\n";