Whispeak: Fix PHP fatal error BT#17892

main/mySpace/myStudents.php

@@ -1611,10 +1611,12 @@ if (empty($details)) {
         echo '<th>'.get_lang('AllAttempts').'</th>';
 
         $hookQuizTracking = HookMyStudentsQuizTracking::create();
-        if ($hookQuizTracking) {
+        if ($hookQuizTracking && !empty($header)) {
             $hookHeaders = array_map(
                 function ($hookHeader) {
-                    return Display::tag('th', $hookHeader['value'], $hookHeader['attrs']);
+                    if (isset($hookHeader['value'])) {
+                        return Display::tag('th', $hookHeader['value'], $hookHeader['attrs']);
+                    }
                 },
                 $hookQuizTracking->notifyTrackingHeader()
             );
@@ -1635,7 +1637,9 @@ if (empty($details)) {
         if ($hookQuizTracking) {
             $hookHeaders = array_map(
                 function ($hookHeader) {
-                    return strip_tags($hookHeader['value']);
+                    if (isset($hookHeader['value'])) {
+                        return strip_tags($hookHeader['value']);
+                    }
                 },
                 $hookQuizTracking->notifyTrackingHeader()
             );

plugin/whispeakauth/WhispeakMyStudentsLpTrackingHook.php

@@ -22,6 +22,10 @@ class WhispeakMyStudentsLpTrackingHook extends HookObserver implements HookMyStu
      */
     public function trackingHeader(HookMyStudentsLpTrackingEventInterface $hook)
     {
+        if (false === WhispeakAuthPlugin::create()->isEnabled()) {
+            return [];
+        }
+
         return [
             'value' => WhispeakAuthPlugin::create()->get_lang('plugin_title'),
             'attrs' => ['class' => 'text-center'],
@@ -35,6 +39,10 @@ class WhispeakMyStudentsLpTrackingHook extends HookObserver implements HookMyStu
      */
     public function trackingContent(HookMyStudentsLpTrackingEventInterface $hook)
     {
+        if (false === WhispeakAuthPlugin::create()->isEnabled()) {
+            return [];
+        }
+
         $data = $hook->getEventData();
 
         $totalCount = WhispeakAuthPlugin::countAllAttemptsInLearningPath($data['lp_id'], $data['student_id']);

plugin/whispeakauth/WhispeakMyStudentsQuizTrackingHook.php

@@ -30,6 +30,10 @@ class WhispeakMyStudentsQuizTrackingHook extends HookObserver implements HookMyS
      */
     public function trackingHeader(HookMyStudentsQuizTrackingEventInterface $hook)
     {
+        if (false === WhispeakAuthPlugin::create()->isEnabled()) {
+            return [];
+        }
+
         return [
             'value' => WhispeakAuthPlugin::create()->get_lang('plugin_title'),
             'attrs' => [
@@ -53,6 +57,9 @@ class WhispeakMyStudentsQuizTrackingHook extends HookObserver implements HookMyS
      */
     public function trackingContent(HookMyStudentsQuizTrackingEventInterface $hook)
     {
+        if (false === WhispeakAuthPlugin::create()->isEnabled()) {
+            return [];
+        }
         $data = $hook->getEventData();
 
         $totalCount = WhispeakAuthPlugin::countAllAttemptsInQuiz($data['quiz_id'], $data['student_id']);