pinatra.php

<?php
namespace Pinatra;

class Application
{
    protected static $instance;
    public $routes = array();
    
    public static function getInstnace()
    {
        if (!isset(self::$instance)) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    public static function run()
    {
        $app = Application::getInstnace();
        if (isset($app->routes[$_SERVER['REQUEST_URI']][$_SERVER['REQUEST_METHOD']])) {
            $app->routes[$_SERVER['REQUEST_URI']][$_SERVER['REQUEST_METHOD']]();
        }
    }
    
    public function route($method,$path,$callback)
    {
        $this->routes[$path][$method] = $callback;
    }
}

function get($path,$callback,$options = array())
{
    $app = Application::getInstnace();
    $app->route('GET',$path,$callback);
}

register_shutdown_function('Pinatra\Application::run');

route.php

<?php
// extension版だとrequireしないでokになるはず
// php -S localhost:8888 route.php
require 'pinatra.php';

use Pinatra;

get("/",function(){
	var_dump("Hello");
},[]);