Modular Separation Mixed with main controller folder having sub folders

Code:

/application

    /controllers

        /usermanagement

            login.php

            register.php

        /cpanel

            dashboard.php

    /core

        MY_Controller.php (my own controller)

        MY_Loader.php (file from wiredesignz Modular Separation folder)

        MY_Router.php (file from wiredesignz Modular Separation folder)

        MY_Router.php (Code I grabbed from another topic post that is included below)

    /modules

        /blog

            /controllers

                blog.php

            /models

                blog_model.php

            /views

                blog_view.php

        /site

            /controllers

                site.php

            /models

                site_model.php

            /views

                site_view.php

Code:

&lt;?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * MY_Router Class

 *

 * @author        Damien K.

 */

class MY_Router extends CI_Router

{

    // --------------------------------------------------------------------



    /**

     * OVERRIDE

     *

     * Validates the supplied segments.  Attempts to determine the path to

     * the controller.

     *

     * @access    private

     * @param    array

     * @return    array

     */

    function _validate_request($segments)

    {

        if (count($segments) == 0)

        {

            return $segments;

        }



        // Does the requested controller exist in the root folder?

        if (file_exists(APPPATH.'controllers/'.$segments[0].EXT))

        {

            return $segments;

        }



        // Is the controller in a sub-folder?

        if (is_dir(APPPATH.'controllers/'.$segments[0]))

        {

            // @edit: Support multi-level sub-folders

            $dir = '';

            do

            {

                if (strlen($dir) > 0)

                {

                    $dir .= '/';

                }

                $dir .= $segments[0];

                $segments = array_slice($segments, 1);

            } while (count($segments) > 0 && is_dir(APPPATH.'controllers/'.$dir.'/'.$segments[0]));

            // Set the directory and remove it from the segment array

            $this->set_directory($dir);

            // @edit: END



            // @edit: If no controller found, use 'default_controller' as defined in 'config/routes.php'

            if (count($segments) > 0 && ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))

            {

                array_unshift($segments, $this->default_controller);

            }

            // @edit: END



            if (count($segments) > 0)

            {

                // Does the requested controller exist in the sub-folder?

                if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))

                {

                    // show_404($this->fetch_directory().$segments[0]);

                    // @edit: Fix a "bug" where show_404 is called before all the core classes are loaded

                    $this->directory = '';

                    // @edit: END

                }

            }

            else

            {

                // Is the method being specified in the route?

                if (strpos($this->default_controller, '/') !== FALSE)

                {

                    $x = explode('/', $this->default_controller);



                    $this->set_class($x[0]);

                    $this->set_method($x[1]);

                }

                else

                {

                    $this->set_class($this->default_controller);

                    $this->set_method('index');

                }



                // Does the default controller exist in the sub-folder?

                if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT))

                {

                    $this->directory = '';

                    return array();

                }



            }



            return $segments;

        }





        // If we've gotten this far it means that the URI does not correlate to a valid

        // controller class.  We will now see if there is an override

        if (!empty($this->routes['404_override']))

        {

            $x = explode('/', $this->routes['404_override']);



            $this->set_class($x[0]);

            $this->set_method(isset($x[1]) ? $x[1] : 'index');



            return $x;

        }





        // Nothing else to do at this point but show a 404

        show_404($segments[0]);

    }



    // --------------------------------------------------------------------



    /**

     * OVERRIDE

     *

     * Set the directory name

     *

     * @access    public

     * @param    string

     * @return    void

     */

    function set_directory($dir)

    {

        $this->directory = str_replace(array('.'), '', $dir).'/'; // @edit: Preserve '/'

    }



}