Ticket #5662: 5662.diff

wp-includes/post.php

@@ -176 +176 @@
 
         $_post = sanitize_post($_post, $filter);
 
+        get_post_ancestors($_post);
+
         if ( $output == OBJECT ) {
                 return $_post;
         } elseif ( $output == ARRAY_A ) {
@@ -187 +189 @@
         }
 }
 
+function get_post_ancestors (&$_post) {
+    global $wpdb;
+        $_post->ancestors = array();
+
+        if ($_post->post_parent != 0) {
+            $id = $_post->ancestors[] = $_post->post_parent;
+            while ($ancestor = $wpdb->get_var("SELECT `post_parent` FROM $wpdb->posts WHERE ID= '{$id}' LIMIT 1")) {
+                $id = $_post->ancestors[] = $ancestor;
+            }
+        }
+}
+
 /**
  * get_post_field() - Retrieve a field based on a post ID.
  *
@@ -1724 +1738 @@
 
         $pages = apply_filters('get_pages', $pages, $r);
 
+        $ancestors = array();
+        foreach ($pages as $page) {
+            if ($page->post_parent != 0) {
+                $ancestors[$page->ID] = $page->post_parent;
+            }
+        }
+        if (!empty($ancestors)) {
+        foreach ($pages as $page) {
+            $page->ancestors = array();
+            $id = $page->ID;
+            while (isset($ancestors[$id])) {
+                    $id = $page->ancestors[] = $ancestors[$id];
+            }
+        }
+        }
         return $pages;
 }
 

wp-includes/classes.php

@@ -547 +547 @@
                         $indent = str_repeat("\t", $depth);
                 else
                         $indent = '';
-                        
+
                 extract($args, EXTR_SKIP);
                 $css_class = 'page_item page-item-'.$page->ID;
                 $_current_page = get_page( $current_page );
+                if (in_array($page->ID, $_current_page->ancestors)) {
+                        $css_class .= ' current_page_ancestor ';
+                }
                 if ( $page->ID == $current_page )
                         $css_class .= ' current_page_item ';
                 elseif ( $_current_page && $page->ID == $_current_page->post_parent )