From 31e4c05002d098f640b042f09440f2c44df48eb4 Mon Sep 17 00:00:00 2001
From: Davo Smith <git@davosmith.co.uk>
Date: Thu, 16 Oct 2014 12:52:31 +0100
Subject: [PATCH] MDL-47198 filelib: fix curl handling headers with no value

---
 lib/filelib.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/filelib.php b/lib/filelib.php
index 9b1e02c443c..b5684366605 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -3056,8 +3056,9 @@ class curl {
                 $this->responsefinished = false;
                 $this->response = array();
             }
-            list($key, $value) = explode(" ", rtrim($header, "\r\n"), 2);
-            $key = rtrim($key, ':');
+            $parts = explode(" ", rtrim($header, "\r\n"), 2);
+            $key = rtrim($parts[0], ':');
+            $value = isset($parts[1]) ? $parts[1] : null;
             if (!empty($this->response[$key])) {
                 if (is_array($this->response[$key])) {
                     $this->response[$key][] = $value;