Ticket #4554: canonical_trailing_slash.diff

wp-includes/default-filters.php

@@ -183 +183 @@
 add_action('init', 'smilies_init', 5);
 add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 );
 add_action( 'shutdown', 'wp_ob_end_flush_all', 1);
+add_action( 'parse_request', 'canonical_trailing_slash');
 
 ?>
+ No newline at end of file

wp-includes/functions.php

@@ -1317 +1317 @@
         while ( @ob_end_flush() );
 }
 
+function canonical_trailing_slash( $request ) {
+        if ( ! $request->did_permalink )
+                return;
+
+        if ( !empty($request->query_vars['error']) )
+                return;
+
+        $req = $_SERVER['REQUEST_URI'];
+        $req = user_trailingslashit($req);
+        if ( $req == $_SERVER['REQUEST_URI'] )
+                return;
+
+        wp_redirect($req, '301');
+        exit;
+}
+
 ?>