From fa9cbb74ce9b5921a8b92d62edcfa188b42dbe80 Mon Sep 17 00:00:00 2001
From: John Milmine <john.milmine@dna.co.nz>
Date: Sat, 21 Feb 2015 23:03:34 +1300
Subject: [PATCH] checking for destroy

needed if field is passed array data rather than objects.
---
 forms/gridfield/GridFieldExportButton.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/forms/gridfield/GridFieldExportButton.php b/forms/gridfield/GridFieldExportButton.php
index 7d573a55c..07446a218 100644
--- a/forms/gridfield/GridFieldExportButton.php
+++ b/forms/gridfield/GridFieldExportButton.php
@@ -155,7 +155,9 @@ class GridFieldExportButton implements GridField_HTMLProvider, GridField_ActionP
 				$fileData .= "\n";
 			}
 
-			$item->destroy();
+			if ($item->hasMethod('destroy')) {
+				$item->destroy();
+			}
 		}
 
 		return $fileData;