From d14adb2351911030bd9eff4311493dd63826c5ee Mon Sep 17 00:00:00 2001
From: Lukas Reschke <lukas@owncloud.com>
Date: Tue, 8 Mar 2016 18:04:24 +0100
Subject: [PATCH] Fix compatibility with PHP 5.4

Fixes https://github.com/owncloud/core/issues/22960
---
 apps/files_external/lib/google.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/files_external/lib/google.php b/apps/files_external/lib/google.php
index 3e8b60d33d..5e5716cf43 100644
--- a/apps/files_external/lib/google.php
+++ b/apps/files_external/lib/google.php
@@ -265,7 +265,8 @@ class Google extends \OC\Files\Storage\Common {
 				foreach ($children->getItems() as $child) {
 					$name = $child->getTitle();
 					// Check if this is a Google Doc i.e. no extension in name
-					if (empty($child->getFileExtension())
+					$extension = $child->getFileExtension();
+					if (empty($extension)
 						&& $child->getMimeType() !== self::FOLDER
 					) {
 						$name .= '.'.$this->getGoogleDocExtension($child->getMimeType());