From 4aba95edd1281d5b4acfb9c396412cd0912caba6 Mon Sep 17 00:00:00 2001
From: "o.pinke" <o.pinke@conlite.org>
Date: Fri, 17 Feb 2023 15:38:31 +0100
Subject: [PATCH] fix PHP8 errors

---
 setup/lib/functions.filesystem.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/setup/lib/functions.filesystem.php b/setup/lib/functions.filesystem.php
index 5ea0950..bf5b40b 100644
--- a/setup/lib/functions.filesystem.php
+++ b/setup/lib/functions.filesystem.php
@@ -122,7 +122,7 @@ function canWriteFile($sFilename) {
          * a wrong information
          */
         $fp = @fopen($sRandFilenamePath, "w");
-        if ($fp) {
+        if (is_resource($fp)) {
             @fclose($fp);
             unlink($sRandFilenamePath);
             return true;
@@ -143,8 +143,10 @@ function canWriteFile($sFilename) {
         /* Ignore errors in case isWriteable() returns
          * a wrong information
          */
-        $fp = @fopen($sFilename, "w");
-        @fclose($fp);
+        $fp = fopen($sFilename, "w");
+        if (is_resource($fp)) {
+            fclose($fp);
+        }
 
         if (file_exists($sFilename)) {
             @unlink($sFilename);