From f6fe2665f5e5413e93b94bf7b8daffd80fc099c5 Mon Sep 17 00:00:00 2001
From: Justus Moroni <justus.moroni@icloud.com>
Date: Wed, 18 Oct 2023 10:29:42 +0200
Subject: [PATCH] [BUGFIX] Allow to create folders with name "0"

Resolves: #102192
Releases: main, 12.4, 11.5
Change-Id: I0cc48e27d32b6d6164d9d580121968610a9333b9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81655
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
---
 typo3/sysext/core/Classes/Utility/File/ExtendedFileUtility.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/typo3/sysext/core/Classes/Utility/File/ExtendedFileUtility.php b/typo3/sysext/core/Classes/Utility/File/ExtendedFileUtility.php
index a5c22e7da5ab..953fc369e198 100644
--- a/typo3/sysext/core/Classes/Utility/File/ExtendedFileUtility.php
+++ b/typo3/sysext/core/Classes/Utility/File/ExtendedFileUtility.php
@@ -230,7 +230,7 @@ class ExtendedFileUtility extends BasicFileUtility
             // Check if there were new folder names expected, but non given
             if ($this->fileCmdMap['newfolder'] ?? false) {
                 foreach ($this->fileCmdMap['newfolder'] as $key => $cmdArr) {
-                    if (empty($cmdArr['data'])) {
+                    if ((string)($cmdArr['data'] ?? '') === '') {
                         unset($this->fileCmdMap['newfolder'][$key]);
                     }
                 }
-- 
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