Merge pull request #158 from catalyst/157-fix-compatibility-with-quiz

Fix quiz compatibility with backported MDL-80300

classes/form/quiz_override_form.php

@@ -27,6 +27,9 @@
 defined('MOODLE_INTERNAL') || die();
 
 require_once("$CFG->libdir/formslib.php");
+
+// Note - in Moodle 4.2+ this has moved, but this will still link
+// because of the db/renamedclasses.php linking.
 require_once($CFG->dirroot . '/mod/quiz/override_form.php');
 
 /**
@@ -54,6 +57,11 @@ public function __construct($cm, $quiz, $context, $override, $submitteddata = nu
         $this->groupid = 0;
         $this->userid = empty($override->userid) ? 0 : $override->userid;
 
+        // Required if MDL-80300 is backported (in core 4.4+).
+        if (property_exists($this, 'overrideid')) {
+            $this->overrideid = $override->id ?? 0;
+        }
+
         \moodleform::__construct(null, null, 'post', '', ['class' => 'ignoredirty'], true, $submitteddata);
     }