בונים פריימוורק - הפעלה וקונטרולרים

<?php

define('DS', DIRECTORY_SEPARATOR);
define('ROOT', __DIR__);
//require the bootfile
require_once ROOT.DS.'library'.DS.'Bootstrap.php';
//boot the appliction
$appliction = new Bootstrap();

<?php

class Bootstrap {
    /*
     * this function get url and run the aplliction with
     * controller and action
     */

    function __construct() {

        /*
         * autoloader run framework files
         */
        spl_autoload_register(array($this, 'loader'));

        /*
         * @param array $url
         * @param string $url[0] controller
         * @param string $url[1] action
         */
        $url = isset($_GET['url']) ? $_GET['url'] : null; //cheak if isset url
        $url = rtrim($url, "/");    //remove over slashs (/)
        $url = explode("/", $url);  //explode by slash to controller and action
        if (empty($url[0])) {
            //if url empty the boot run default controller
            $this->runController("main");
            return FALSE;
        }


        if (isset($url[1]))
        //if action set run controller and use action
            $this->runController($url[0], $url[1]);
        else
        //else action not set run controller only
            $this->runController($url[0]);
    }

    /*
     * @param string $name function or class name
     * this function load the file with class or functions
     */

    private function loader($name) {
        //file dir and name
        $file = ROOT . DS . 'library' . DS . "SiDoX" . DS .
                str_replace("Sidox_", null, $name) . ".php";
        //cheak if file exist
        if (file_exists($file))
            require($file); //file require
    }

    /*
     * @param string $name controller name
     * @param string $method method name
     */

    function runController($name, $method = NULL) {
        /*
         * cheak if controller exists
         * TRUE:(controller not exists)
         * run diagnostics
         * go to error page -> move to default page
         */
        $Controller = ucfirst($name) . "Controller";
        $dirController = APPLICATION . 'controllers' . DS .
                $Controller . '.php';
        if (!(file_exists($dirController))) {
            //if file not exists it's 404 page
            echo "404"; //you can make 404 page controller or header...
            return FALSE;
        }

        /*
         * run contoller
         */
        require $dirController;

        $Controller = new $Controller;

        //cheak if meathod exists
        if (!(method_exists($Controller, $method)))
            $method = "Main";   //method not exist set defualt
        $Controller->{$method}();   //run action
    }

}

<?php
class MainController{
  public function Main(){
     echo "it's your main controller";
  }
}