From 50e53bb6ea45ebaa2ebf50101849a79103c7d8ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Dagef=C3=B6rde?=
 <jan.dagefoerde@ercis.uni-muenster.de>
Date: Wed, 26 Apr 2017 10:44:52 +0200
Subject: [PATCH] MDL-58372 repository_webdav: Explicitly pass some filename

Not passing anything triggers PHP 7.1 "Too few arguments" exception.
---
 repository/webdav/lib.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/repository/webdav/lib.php b/repository/webdav/lib.php
index 11cb7db45d2..9f13773db96 100644
--- a/repository/webdav/lib.php
+++ b/repository/webdav/lib.php
@@ -72,7 +72,8 @@ class repository_webdav extends repository {
     }
     public function get_file($url, $title = '') {
         $url = urldecode($url);
-        $path = $this->prepare_file();
+        // Prepare a file with an arbitrary name - cannot be $title because of special chars (cf. MDL-57002).
+        $path = $this->prepare_file(uniqid());
         if (!$this->dav->open()) {
             return false;
         }