<nav>

<ul>

<li><a href="index.php">Home</a></li>

<li><a href="world.php">HTH Services</a></li>

<li><a href="about.php">About Us</a></li>

<li><a href="contact.php">Contact Us</a></li>

<?php

// Check if a session is already active

if (session_status() === PHP_SESSION_NONE) {

session_start();

}

error_reporting(0);

include('includes/config.php');

if (strlen($_SESSION['alogin']) == 0) {

echo '<li><a href="login.php">Login</a></li>';

} else {

echo '<li><a href="homepage.php">Dashboard</a></li>';

}

?>

</ul>

</nav>