From 535b374163748a74d675603ccf8143a63fcd107c Mon Sep 17 00:00:00 2001
From: William Desportes <williamdes@wdes.fr>
Date: Sun, 27 Jun 2021 18:27:38 +0200
Subject: [PATCH] Fix "Undefined index: clause_is_unique" on replace value in
 cell

Signed-off-by: William Desportes <williamdes@wdes.fr>
---
 libraries/classes/Controllers/Table/ReplaceController.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/classes/Controllers/Table/ReplaceController.php b/libraries/classes/Controllers/Table/ReplaceController.php
index fd3f827d69..365d13a3b9 100644
--- a/libraries/classes/Controllers/Table/ReplaceController.php
+++ b/libraries/classes/Controllers/Table/ReplaceController.php
@@ -363,10 +363,11 @@ final class ReplaceController extends AbstractController
                 $value_sets[] = implode(', ', $query_values);
             } else {
                 // build update query
+                $clauseIsUnique = $_POST['clause_is_unique'] ?? '';// Should contain 0 or 1
                 $query[] = 'UPDATE ' . Util::backquote($table)
                     . ' SET ' . implode(', ', $query_values)
                     . ' WHERE ' . $where_clause
-                    . ($_POST['clause_is_unique'] ? '' : ' LIMIT 1');
+                    . ($clauseIsUnique ? '' : ' LIMIT 1');
             }
         }
         unset(