fictizia-widget-widget-2.php

<?php
function widget( $args, $instance ) {
	extract( $args );
        $title = apply_filters( 'widget_title', $instance['title'] );

        ?>
              <?php echo $before_widget; ?>
                  <?php if ( $title )
                        echo $before_title . $title . $after_title; ?>
                  Hola, mundo
              <?php echo $after_widget; ?>
        <?php
}