From 395a623c5281b6a61ea91ffb7846a886d435d83b Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Wed, 17 Aug 2011 08:51:36 +0000
Subject: [PATCH] Harden up is_user_logged_in() against empty $current_user
 instances to prevent PHP Notices on XML-RPC requests. Fixes #18458

git-svn-id: https://develop.svn.wordpress.org/trunk@18558 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/pluggable.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index fab5d41b94..8b895306af 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -755,7 +755,7 @@ if ( !function_exists('is_user_logged_in') ) :
 function is_user_logged_in() {
 	$user = wp_get_current_user();
 
-	if ( $user->ID == 0 )
+	if ( empty( $user->ID ) )
 		return false;
 
 	return true;