Changeset 2600 for trunk/wp-blog-header.php

Timestamp:

05/13/2005 09:07:21 PM (21 years ago)

Author:

matt

Message:

​http://mosquito.wordpress.org/view.php?id=1323 - Hat tip: Dougal

File:

• trunk/wp-blog-header.php (modified) (1 diff)

trunk/wp-blog-header.php

@@ -129 +129 @@
 
     // Support for Conditional GET
-    if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
-    else $client_last_modified = false;
     if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
     else $client_etag = false;
 
+    $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
+    // If string is empty, return 0. If not, attempt to parse into a timestamp
+    $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
+
+    // Make a timestamp for our most recent modification... 
+    $wp_modified_timestamp = strtotime($wp_last_modified);
+
     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_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
+        (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
         if ( preg_match('/cgi/',php_sapi_name()) ) {
             header('Status: 304 Not Modified');