Daily Digest - Page Template - Last 3 Days

<?php
/*
Template Name: Front Page -3 days
*/
?>

<?php
/**
 * The template for displaying all pages.
 *
 * This is the template that displays all pages by default.
 * Please note that this is the WordPress construct of pages
 * and that other 'pages' on your WordPress site will use a
 * different template.
 *
 * @package WordPress
 * @subpackage Twenty_Ten
 * @since Twenty Ten 1.0
 */

get_header(); ?>

        <div id="container">
            <div id="content" role="main">

            <?php
// list all posts, sectioned by post date
function filter_where($where = '') {
    //posts in the last 3 days
    $where .= " AND post_date > '" . date('Y-m-d', strtotime('-2 days')) . "'";
    return $where;
  }
add_filter('posts_where', 'filter_where');
$args=array(
  'orderby' => 'date',
  'order' => 'DESC',
  'posts_per_page'=>-1,
  'caller_get_posts'=>1
);
$my_query = new WP_Query($args);
if( $my_query->have_posts() ) {
  while ($my_query->have_posts()) : $my_query->the_post();
    $this_date =  get_the_time(__('l d F Y'));
    if ($this_date != $last_date) {
      $last_date = $this_date;
      echo '<h2>'.$last_date.'</h2>';
    } ?>
    <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a><br /><?php the_content(); ?></p>
    <?php
  endwhile;
} //if ($my_query)
wp_reset_query();  // Restore global post data stomped by the_post().
?>

            </div><!-- #content -->
        </div><!-- #container -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>