From d3fce30a922968959d0e0bc8aeab020ddfac0c5b Mon Sep 17 00:00:00 2001
From: Matt Butcher <technosophos@gmail.com>
Date: Fri, 16 Mar 2012 14:07:03 -0500
Subject: [PATCH] Fixing odd error that crops up when checking for NULL in
 static array.

---
 src/HPCloud/Storage/ObjectStorage/StreamWrapper.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
index 33576ca..2bce8e2 100644
--- a/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
+++ b/src/HPCloud/Storage/ObjectStorage/StreamWrapper.php
@@ -1498,7 +1498,8 @@ class StreamWrapper {
     $endpoint = $this->cxt('swift_endpoint');
 
     $serviceCatalog = NULL;
-    if (isset(self::$serviceCatalogCache[$token])) {
+
+    if (!empty($token) && isset(self::$serviceCatalogCache[$token])) {
       $serviceCatalog = self::$serviceCatalogCache[$token];
     }