From abbb8b8da33119c799ee4561e15672a7d8c6208f Mon Sep 17 00:00:00 2001
From: Mark Jaquith <markjaquith@git.wordpress.org>
Date: Fri, 9 May 2008 18:23:05 +0000
Subject: [PATCH] Do not use the "home"-supplied host for canonical redirects
 if no host is there specified. props thenlich. fixes #6890

git-svn-id: https://develop.svn.wordpress.org/trunk@7916 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/canonical.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wp-includes/canonical.php b/wp-includes/canonical.php
index a5c83ceff3..1c391292cf 100644
--- a/wp-includes/canonical.php
+++ b/wp-includes/canonical.php
@@ -137,7 +137,8 @@ function redirect_canonical($requested_url=null, $do_redirect=true) {
 
 	// www.example.com vs example.com
 	$user_home = @parse_url(get_option('home'));
-	$redirect['host'] = $user_home['host'];
+	if ( isset($user_home['host']) )
+		$redirect['host'] = $user_home['host'];
 
 	// Handle ports
 	if ( isset($user_home['port']) )