From 3387d8fdd2dd9f2dc2dd610b5cabd07064f54c81 Mon Sep 17 00:00:00 2001
From: Pierre Goiffon <pierre.goiffon@combodo.com>
Date: Tue, 2 Oct 2018 17:14:05 +0200
Subject: [PATCH] Fix XLSX export failing on PHP 7.1 on systems without "/tmp"
 path Since PHP 7.1 tempnam() throws a notice if the dir parameter can't be
 used : bug #69489 in http://php.net/ChangeLog-7.php#7.1.0

---
 application/xlsxwriter.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/xlsxwriter.class.php b/application/xlsxwriter.class.php
index c578e193d..e6acafe60 100644
--- a/application/xlsxwriter.class.php
+++ b/application/xlsxwriter.class.php
@@ -40,7 +40,7 @@ Class XLSXWriter
 	
 	protected function tempFilename()
 	{
-		$filename = tempnam("/tmp", "xlsx_writer_");
+		$filename = tempnam(SetupUtils::GettmpDir(), 'xlsx_writer_');
 		$this->temp_files[] = $filename;
 		return $filename;
 	}