CI Rekursif

<?php

/**
 * @Author: juliarnasution
 * @Date:   2020-04-03 10:07:14
 * @Last Modified by:   Dell
 * @Last Modified time: 2020-04-03 10:26:27
 */
defined('BASEPATH') OR exit('No direct script access allowed');

class Rekursif extends CI_Controller {

    public function index()
    {
        $this->contoh_rekursif(1);
        echo "<br/>";
        $n = 5;
        echo "nilai faktorial ".$n." adalah ";
        echo $this->faktorial($n);
    }

    public function contoh_rekursif($param)
    {
        if ($param>10) {
            return false;
        }
        echo "sekarang urutan ke ".$param;
        echo "<br/>";
        return $this->contoh_rekursif($param+1);
    }

    public function faktorial($n)
    {
        if ($n>2) {
            echo $n." * ";
            return $n * $this->faktorial($n-1);
        }else{
            echo $n." * ".($n-1). "= ";
            return $n;
        }
    }

}

/* End of file Rekursif.php */
/* Location: ./application/controllers/Rekursif.php */