Line - Using Widgets as Shortcodes

/*-----------------------------------------------------------------------------------*/
/*  Widgets
/*-----------------------------------------------------------------------------------*/

function my_widget_shortcode( $atts ) {

// Configure defaults and extract the attributes into variables
extract( shortcode_atts(
    array(
        'name'  => '',
        'instance' => '',
    ),
    $atts
));

$instance = str_ireplace("&", '&' ,$instance);

$args = array(
    'before_widget' => '<div class="widget">',
    'after_widget'  => '</div>',
    'before_title'  => '<h3>',
    'after_title'   => '</h3>',
);

ob_start();
the_widget( $name, $instance, $args );
$output = ob_get_clean();

return $output;

}

add_shortcode( 'widget', 'my_widget_shortcode' );