From ea09591ef3fee2a15d82809295fc3fadb35b75ac Mon Sep 17 00:00:00 2001
From: michelvaldrighi <michelvaldrighi@git.wordpress.org>
Date: Wed, 22 Dec 2004 14:32:25 +0000
Subject: [PATCH] get_userdata should not ask for data when userid is 0 (why
 does it get called like that anyway?)

git-svn-id: https://develop.svn.wordpress.org/trunk@1991 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 291af81db2..58e1fe93df 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -172,7 +172,7 @@ function get_currentuserinfo() { // a bit like get_userdata(), on steroids
 function get_userdata($userid) {
 	global $wpdb, $cache_userdata;
 	$userid = (int) $userid;
-	if ( empty($cache_userdata[$userid]) ) {
+	if ( empty($cache_userdata[$userid]) && $userid != 0) {
         $cache_userdata[$userid] = 
             $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$userid'");
 	}