[BUGFIX] Prevent undefined array key in AbstractItemProvider

Resolves: #98406 Releases: main, 11.5 Change-Id: I856ebd36c1f8c8906fa6b23834704bd2ee5531ad Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75820 Tested-by: core-ci <typo3@b13.com> Tested-by: Christian Kuhn <lolli@schwarzbu.ch> Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
TYPO3 · Sep 22, 2022 · defedd2 · defedd2
1 parent 7e5c9ed
commit defedd2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php b/typo3/sysext/backend/Classes/Form/FormDataProvider/AbstractItemProvider.php
@@ -753,7 +753,7 @@ protected function processForeignTableClause(array $result, $foreignTableName, $
                             // is now an array containing uid + table + title + row.
                             // See TcaGroup data provider for details.
                             // Pick the first one (always on 0), and use uid only.
-                            $rowFieldValue = $rowFieldValue[0]['uid'] ?? $rowFieldValue[0];
+                            $rowFieldValue = $rowFieldValue[0]['uid'] ?? $rowFieldValue[0] ?? '';
                         }
                         if (substr($whereClauseParts[0], -1) === '\'' && $whereClauseSubParts[1][0] === '\'') {
                             $whereClauseParts[0] = substr($whereClauseParts[0], 0, -1);
@@ -1085,9 +1085,9 @@ public function translateLabels(array $result, array $itemArray, $table, $fieldN
             ) {
                 $label = $languageService->sL($result['pageTsConfig']['TCEFORM.'][$table . '.'][$fieldName . '.']['altLabels.'][$labelIndex]);
             } else {
-                $label = $languageService->sL(trim($item[0]));
+                $label = $languageService->sL(trim($item[0] ?? ''));
             }
-            $value = strlen((string)$item[1]) > 0 ? $item[1] : '';
+            $value = strlen((string)($item[1] ?? '')) > 0 ? $item[1] : '';
             $icon = !empty($item[2]) ? $item[2] : null;
             $groupId = $item[3] ?? null;
             $helpText = null;