a very simple router in PHP using regular expressions with personalized parameters
<?php
require_once 'router/router.php';
$router = new Router;
$router->map("/article/[i:articleid]/post/[s:slug]", function($request, $articleid, $slug){
echo "Article ID: $articleid, Slug of the Article: $slug";
});
$router->map("/post/[i:year]/[i:month]", function($request, $year, $month){
echo 'post from date: ' . $year . '/' . $month;
});
$router->respond();
?>