From e85c40a3f7ee0361ff6b92d8a7485629e70a5043 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Sat, 5 Apr 2014 12:45:15 +0000
Subject: [PATCH] Avoid an undefined index notice in wp_http_validate_url().

props jesin.
fixes #27684.
Built from https://develop.svn.wordpress.org/trunk@27953


git-svn-id: http://core.svn.wordpress.org/trunk@27783 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/http.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/http.php b/wp-includes/http.php
index 0b4b109d9f..57746ff802 100644
--- a/wp-includes/http.php
+++ b/wp-includes/http.php
@@ -510,7 +510,7 @@ function wp_http_validate_url( $url ) {
 	if ( 80 === $port || 443 === $port || 8080 === $port )
 		return $url;
 
-	if ( $parsed_home && $same_host && $parsed_home['port'] === $port )
+	if ( $parsed_home && $same_host && isset( $parsed_home['port'] ) && $parsed_home['port'] === $port )
 		return $url;
 
 	return false;