From 249c7048d9d488fcc7082d2926fe1fe45435fd66 Mon Sep 17 00:00:00 2001
From: Christopher Joe <cjoe@silverstripe.com>
Date: Mon, 21 Aug 2017 15:31:13 +1200
Subject: [PATCH] Fix trim accept header parts

---
 src/Control/HTTPRequest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Control/HTTPRequest.php b/src/Control/HTTPRequest.php
index 7912c6dc4..e598784b7 100644
--- a/src/Control/HTTPRequest.php
+++ b/src/Control/HTTPRequest.php
@@ -809,7 +809,7 @@ class HTTPRequest implements ArrayAccess
     public function getAcceptMimetypes($includeQuality = false)
     {
         $mimetypes = array();
-        $mimetypesWithQuality = explode(',', $this->getHeader('Accept'));
+        $mimetypesWithQuality = preg_split('#\s*,\s*#', $this->getHeader('Accept'));
         foreach ($mimetypesWithQuality as $mimetypeWithQuality) {
             $mimetypes[] = ($includeQuality) ? $mimetypeWithQuality : preg_replace('/;.*/', '', $mimetypeWithQuality);
         }