From 153ce1be0df03f0d0d5345837ae9e22e02872a48 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Fri, 4 Jan 2008 19:55:17 +0000
Subject: [PATCH] Page walk fixes from hailin. fixes #5581

git-svn-id: https://develop.svn.wordpress.org/trunk@6552 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/includes/template.php | 8 ++++++++
 wp-includes/classes.php        | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 609c737c36..9f6f7dac5d 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -283,6 +283,14 @@ function page_rows( $pages ) {
 	$children_pages  = array();
 
 	foreach ( $pages as $page ) {
+		
+		// catch and repair bad pages 
+		if ( $page->post_parent == $page->ID ) {
+			$page->post_parent = 0; 
+			$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_parent = '0' WHERE ID = %d", $page->ID) );
+			clean_page_cache( $page->ID );
+		}
+		 
 		if ( 0 == $page->post_parent )
 			$top_level_pages[] = $page; 
 		else
diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 46593385a7..d68f2ce589 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -434,7 +434,7 @@ class Walker {
 				
 				array_splice( $children_elements, $i, 1 );
 				$output = $this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
-				$i--; 
+				$i = -1; 
 			}
 		}