From ab27ecda6d58f521ba4641eeb1e1d816f93d21c4 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Thu, 29 Apr 2010 18:24:18 +0000
Subject: [PATCH] Reset the global current_user object when the current user is
 changed.

git-svn-id: https://develop.svn.wordpress.org/trunk@14302 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/meta.php | 4 ++--
 wp-includes/user.php | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/wp-includes/meta.php b/wp-includes/meta.php
index 615fd05a94..06485b8609 100644
--- a/wp-includes/meta.php
+++ b/wp-includes/meta.php
@@ -61,7 +61,7 @@ function add_metadata($meta_type, $object_id, $meta_key, $meta_value, $unique =
 	wp_cache_delete($object_id, $meta_type . '_meta');
 	// users cache stores usermeta that must be cleared.
 	if ( 'user' == $meta_type )
-		wp_cache_delete($object_id, 'users');
+		clean_user_cache($object_id);
 
 	do_action( "added_{$meta_type}_meta", $wpdb->insert_id, $object_id, $meta_key, $meta_value );
 
@@ -124,7 +124,7 @@ function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_v
 	wp_cache_delete($object_id, $meta_type . '_meta');
 	// users cache stores usermeta that must be cleared.
 	if ( 'user' == $meta_type )
-		wp_cache_delete($object_id, 'users');
+		clean_user_cache($object_id);
 
 	do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $meta_value );
 
diff --git a/wp-includes/user.php b/wp-includes/user.php
index 61ee41cad9..0cc5c4c3ca 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -874,8 +874,17 @@ function update_user_caches(&$user) {
  * @param int $id User ID
  */
 function clean_user_cache($id) {
+	global $current_user;
+
 	$user = new WP_User($id);
 
+	// If the current user changed, reset the current_user global.Œ
+	if ( isset($current_user) && $current_user->ID == $id ) {
+		$current_user->ID = -1; // Force wp_set_current_user to reset.
+		error_log(" Resetting current user ");
+		wp_set_current_user($id);
+	}
+
 	wp_cache_delete($id, 'users');
 	wp_cache_delete($user->user_login, 'userlogins');
 	wp_cache_delete($user->user_email, 'useremail');