From d95f6e88f015a4e273ec8db7eca524f8b76f00f0 Mon Sep 17 00:00:00 2001
From: Rom1-B <rbiot@teclib.com>
Date: Mon, 25 Sep 2023 12:17:38 +0200
Subject: [PATCH] fix: empty multiple-value field

---
 inc/container.class.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/inc/container.class.php b/inc/container.class.php
index 3e271b33..11e55ba0 100644
--- a/inc/container.class.php
+++ b/inc/container.class.php
@@ -1168,6 +1168,8 @@ public function updateFieldsValues($data, $itemtype, $massiveaction = false)
             }
             if (array_key_exists($field_name, $data)) {
                 $data[$field_name] = json_encode($data[$field_name]);
+            } elseif (array_key_exists('_' . $field_name . '_defined', $data)) {
+                $data[$field_name] = json_encode([]);
             }
         }