From a62b7593d1b6c2420c8467af720c84ff82d6669f Mon Sep 17 00:00:00 2001
From: NicoDucou <nicolas@ldd.fr>
Date: Tue, 31 Aug 2021 12:57:15 +0200
Subject: [PATCH] Exercise: fix iId to iid in the signature plugin to make it
 work again - refs BT#19114

---
 plugin/exercise_signature/lib/ExerciseSignature.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugin/exercise_signature/lib/ExerciseSignature.php b/plugin/exercise_signature/lib/ExerciseSignature.php
index ad4e198aa3..acd896bc00 100644
--- a/plugin/exercise_signature/lib/ExerciseSignature.php
+++ b/plugin/exercise_signature/lib/ExerciseSignature.php
@@ -28,13 +28,13 @@ class ExerciseSignaturePlugin extends Plugin
 
     public static function exerciseHasSignatureActivated(Exercise $exercise)
     {
-        if (empty($exercise->iId)) {
+        if (empty($exercise->iid)) {
             return false;
         }
 
         if ('true' === api_get_plugin_setting('exercise_signature', 'tool_enable')) {
             $extraFieldValue = new ExtraFieldValue('exercise');
-            $result = $extraFieldValue->get_values_by_handler_and_field_variable($exercise->iId, 'signature_activated');
+            $result = $extraFieldValue->get_values_by_handler_and_field_variable($exercise->iid, 'signature_activated');
             if ($result && isset($result['value']) && 1 === (int) $result['value']) {
                 return true;
             }