__('Cabecera personalizada', 'amprogramacion'),)
);
}
// Creating widget front-end
public function widget($args, $instance) {
$title = !empty($instance['title']) ? apply_filters('widget_title', $instance['title']) : NULL;
// before and after widget arguments are defined by themes
echo $args['before_widget'];
if (!empty($title)) {
echo $args['before_title'] . $title . $args['after_title'];
}
if (!empty($instance['email_text'])) {
echo '