From 8b60a8e44c398d6207dfad70fde0eeb7c07f57c4 Mon Sep 17 00:00:00 2001
From: Ryan Bridge <rbridge@gmail.com>
Date: Tue, 19 Jan 2016 20:27:22 -0800
Subject: [PATCH] Add check for attachment size

Signed-off-by: Ryan Bridge <rbridge@gmail.com>
---
 src/Fetch/Attachment.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Fetch/Attachment.php b/src/Fetch/Attachment.php
index e77984a..c9db5e3 100644
--- a/src/Fetch/Attachment.php
+++ b/src/Fetch/Attachment.php
@@ -98,7 +98,9 @@ public function __construct(Message $message, $structure, $partIdentifier = null
             $this->setFileName($parameters['name']);
         }
 
-        $this->size = $structure->bytes;
+        if (isset($structure->bytes)) {
+            $this->size = $structure->bytes;
+        }
 
         $this->mimeType = Message::typeIdToString($structure->type);