//STEP USAGE
//ROUTES.PHP
// Step Test
$app->get("/steptest(/:step)/", function($step = 0) use ($app) {
    global $cookie_name, $cookie_time;
    include( "views/StepTest.php" ); //
});

//VIEWS/STEPTEST.PHP

<?php

switch($step)
{
    case "hello":
    $app->render("hello.html");
    break;

    case "goodbye":
    $app->render("goodbye.html");
    break;
}