From a496c34aea411153a3e353c255fca3bcf593553a Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Thu, 12 Feb 2015 08:59:47 +0100
Subject: [PATCH] Check if imageflip is available

* imageflip() isn't available in PHP < 5.5
* fixes #14130
---
 lib/private/image.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/image.php b/lib/private/image.php
index f5f9a04fac..317b6fde16 100644
--- a/lib/private/image.php
+++ b/lib/private/image.php
@@ -391,7 +391,7 @@ class OC_Image {
 				$rotate = 90;
 				break;
 		}
-		if($flip) {
+		if($flip && function_exists('imageflip')) {
 			imageflip($this->resource, IMG_FLIP_HORIZONTAL);
 		}
 		if ($rotate) {