From 9e96e0b36f970f88cdc0f6bab9467757e8dbcd37 Mon Sep 17 00:00:00 2001
From: David Monllao <davidm@moodle.com>
Date: Wed, 4 May 2016 07:52:26 +0800
Subject: [PATCH] MDL-53750 shibboleth: Passing a var to empty for PHP 5.4

---
 auth/shibboleth/logout.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/auth/shibboleth/logout.php b/auth/shibboleth/logout.php
index db0f7199fe921..997f757234aeb 100644
--- a/auth/shibboleth/logout.php
+++ b/auth/shibboleth/logout.php
@@ -23,6 +23,7 @@
 }
 
 // Front channel logout.
+$inputstream = file_get_contents("php://input");
 if ($action == 'logout' && !empty($redirect)) {
 
     if ($USER->auth == 'shibboleth') {
@@ -32,7 +33,7 @@
         redirect($redirect);
     }
 
-} else if (!empty(file_get_contents("php://input"))) {
+} else if (!empty($inputstream)) {
 
     // Back channel logout.
     // Set SOAP header.