public function update($new_instance, $old_instance)
{
$instance = $old_instance;
$instance['number'] = (int) $new_instance['number'];
$instance['title'] = trim($new_instance['title']);
$instance['show_visitors'] = $new_instance['show_visitors'];
if (isset($new_instance['reset_leaderboard']) && $this->id !== false) {
WL_Leaderboard::invalidate($this->id);
}
mycred_flush_widget_cache('wl_widget_leaderboard');
return $instance;
}
