$preferences->backup_site_files = (isset($prefs['backup_site_files']) ? $prefs['backup_site_files'] : 0);
$preferences->backup_messages = (isset($prefs['backup_messages']) ? $prefs['backup_messages'] : 0);
$preferences->backup_gradebook_history = (isset($prefs['backup_gradebook_history']) ? $prefs['backup_gradebook_history'] : 0);
+ $preferences->backup_blogs = (isset($prefs['backup_blogs']) ? $prefs['backup_blogs'] : 0);
$preferences->backup_course = $course->id;
backup_add_static_preferences($preferences);
return $preferences;