From a43c13a36f13234845238d3b0304efe04ec496b6 Mon Sep 17 00:00:00 2001
From: madflow <madflow@users.noreply.github.com>
Date: Tue, 14 Jun 2016 19:02:01 +0200
Subject: [PATCH] Fix #252 (#253)

---
 src/Spout/Common/Helper/GlobalFunctionsHelper.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Spout/Common/Helper/GlobalFunctionsHelper.php b/src/Spout/Common/Helper/GlobalFunctionsHelper.php
index dd4356e..c5d6e31 100644
--- a/src/Spout/Common/Helper/GlobalFunctionsHelper.php
+++ b/src/Spout/Common/Helper/GlobalFunctionsHelper.php
@@ -260,7 +260,9 @@ class GlobalFunctionsHelper
      */
     public function ob_end_clean()
     {
-        ob_end_clean();
+        if (ob_get_length() > 0) {
+            ob_end_clean();
+        }
     }
 
     /**