I am new in CodeIgniter now I am creating a site. an Admin can view all records after login but unfortunately, the target URL shows 404 Page Not Found. I am using temple(header n footer) for a menu. here is my header.php
<div class="collapse navbar-collapse" id="navbarColor01">
<ul class="navbar-nav mr-auto" >
<?php if(!$this->session->userdata('logged_in')) : ?>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>users/login">Login</a></li>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>users/register">Register</a></li>
<?php endif; ?>
<?php if($this->session->userdata('logged_in')) : ?>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>posts">List Item</a></li>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>posts/create">Create Post</a></li>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>users/logout">Logout</a></li>
<li class="nav-item"><a class="nav-link" href="<?php echo base_url(); ?>admin">Admin</a></li>
<?php endif; ?>
</ul>
</div>
When I click the admin menu then it should be goto Admin Controller and call index function for cofirmation i put echo and die but it shows 404 error. here is my Admin Controller
<?php
class Admin extends CI_Controller{
public function index(){
echo "Reach here"; die;
if (!$this->session->userdata('logged_in')) {
redirect('users/login');
}
?>
Thanks in advance for assistance.