Admin: add config setting "whoisonline_only_for_admin" BT#16758

main/inc/lib/banner.lib.php

@@ -221,6 +221,11 @@ function accessToWhoIsOnline()
     $user_id = api_get_user_id();
     $course_id = api_get_course_int_id();
     $access = false;
+
+    if (true === api_get_configuration_value('whoisonline_only_for_admin') && !api_is_platform_admin()) {
+        return false;
+    }
+
     if ((api_get_setting('showonline', 'world') == 'true' && !$user_id) ||
         (api_get_setting('showonline', 'users') == 'true' && $user_id) ||
         (api_get_setting('showonline', 'course') == 'true' && $user_id && $course_id)

main/install/configuration.dist.php

@@ -1388,6 +1388,8 @@ ALTER TABLE notification_event ADD COLUMN event_id INT NULL;
 // In Scorm comunication use the username instead of the user_id
 //$_configuration['scorm_api_username_as_student_id'] = false;
 
+// Show online user only to Administrators
+//$_configuration['whoisonline_only_for_admin'] = false;
 
 // KEEP THIS AT THE END
 // -------- Custom DB changes