From 0e32d35effcc16f515fc0547a874f7017e577db7 Mon Sep 17 00:00:00 2001
From: Simey Lameze <simey@moodle.com>
Date: Fri, 25 Jul 2014 11:44:44 +0800
Subject: [PATCH] MDL-44257 message: check if the attachment exists before
 remove it

Credit goes to Mark Nielsen, thanks.
---
 message/output/email/message_output_email.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/message/output/email/message_output_email.php b/message/output/email/message_output_email.php
index cfe9fd460cf..4b95db11433 100644
--- a/message/output/email/message_output_email.php
+++ b/message/output/email/message_output_email.php
@@ -88,7 +88,9 @@ class message_output_email extends message_output {
                                 $eventdata->fullmessagehtml, $attachment, $attachname);
 
         // Remove an attachment file if any.
-        @unlink($attachment);
+        if (!empty($attachment) && file_exists($CFG->dataroot.'/'.$attachment)) {
+            unlink($CFG->dataroot.'/'.$attachment);
+        }
 
         return $result;
     }