From 0620459e8de02e697cb2d1832e594bef0a218922 Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Sun, 28 Mar 2010 00:23:40 +0000
Subject: [PATCH] Correct Array style for returning Multiple HTTP Headers. See
 #12045

git-svn-id: https://develop.svn.wordpress.org/trunk@13847 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/class-http.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/class-http.php b/wp-includes/class-http.php
index 43a0da34d8..a37f81a8e4 100644
--- a/wp-includes/class-http.php
+++ b/wp-includes/class-http.php
@@ -450,7 +450,9 @@ class WP_Http {
 			if ( !empty( $value ) ) {
 				$key = strtolower( $key );
 				if ( isset( $newheaders[$key] ) ) {
-					$newheaders[$key] = array( $newheaders[$key], trim( $value ) );
+					if ( !is_array($newheaders[$key]) )
+						$newheaders[$key] = array($newheaders[$key]);
+					$newheaders[$key][] = trim( $value );
 				} else {
 					$newheaders[$key] = trim( $value );
 				}