teknosains/sample-menu-generator.php

## sample-menu-generator.php
<?php
class Menu extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();

        $this->load->model('Menu_model');
    }

    public function index()
    {

        $this->load->view('Menu');

    }

    public function getMenu($parent = 0)
    {
        $menu = $this->Menu_model->fetchMenu($parent);

        $ul = '<ul>';

        foreach($menu as $key => $item) {
          // parent menu
          $ul .= '<li><a href="'.$item['url'].'">'.$item['menu_name'].'</a></li>';

          $child = $this->Menu_model->fetchMenu($item['menu_id']);
          if ($child) {
              $ul .= '<ul>';

              //$menu[$key]['child'] = $child;
              foreach ($child as $key2 => $ch) {
                // anak pertama
                $ul .= '<li><a href="'.$ch['url'].'">'.$ch['menu_name'].'</a></li>';

                $cucu = $this->Menu_model->fetchMenu($ch['menu_id']);
                if ($cucu) {
                  $ul .= '<ul>';
                  foreach($cucu as $key3 => $cc) {
                    $ul .= '<li><a href="'.$cc['url'].'">'.$cc['menu_name'].'</a></li>';
                  }
                  $ul .= '</ul>';
                }

              }

              $ul .= '</ul>';

          }

        }

        $ul .= '</ul>';

        //echo ($ul); exit;

      $data = [
        'status' => true,
        'menu' => $ul
      ];

      echo json_encode($data);
    }

}