Generate table with Wordpress rewrite rules

wp-rewrite-rules-table.php

<?php

function pretty_routes()
{
    $wp_rewrite = new WP_Rewrite;
    $rules = $wp_rewrite->rewrite_rules();

    $table = '<table><tr><th>Route</th><th>Destination</th></tr>';

    foreach ($rules as $route => $dest) {
        $table .= "<tr><td>{$route}</td><td>{$dest}</td></tr>";
    }

    $table .= '</table>';

    return $table;
}

echo pretty_routes();