From e3c67a1c63797a04738c8c47e064dfe25b60c3e8 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Thu, 15 Feb 2018 09:51:05 +0100
Subject: [PATCH] fix PHP Warning if keys contain a backslash as in namespaced
 classes

---
 api/src/Cache/Files.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/src/Cache/Files.php b/api/src/Cache/Files.php
index ee802ab7e8..ff30254672 100644
--- a/api/src/Cache/Files.php
+++ b/api/src/Cache/Files.php
@@ -207,7 +207,7 @@ class Files extends Base implements Provider
 	 */
 	function filename(array $keys,$mkdir=false)
 	{
-		$fname = $this->base_path.'/'.str_replace(array(':','*'),'-',implode('/',$keys));
+		$fname = $this->base_path.'/'.str_replace(array(':','*','\\'),'-',implode('/',$keys));
 
 		if ($mkdir && !file_exists($dirname=dirname($fname)))
 		{