navbar_control.php

<!--Navbar Section-->
<?php require_once 'back/database_connection.php'; ?>
<nav>
    <a href="../home/index.php"><img src="../assets/images/codeCourses.png" class="nav-left" id="imgMobile"></a>
    <ul id="dropdownClick" class="nav-left">
        <li><a href="../home">Home</a></li>
        <li><a href="../problemset/">Problem Set</a></li>
        <li><a href="../contests/">Contests</a></li>
        <li><a href="../roadmap/">Road Map</a></li>
        <?php
        if (authentication(false)):
        ?>
        <li><a href="../submissions/">Submissions</a></li>
        <li class="nav-right"><a href="../authentication/logout.php">Logout</a></li>
        <li class="nav-right">
            <a href="../profile">
                <?=  $_SESSION['fname']?>
            </a>
        </li>
        <?php
        else:
        ?>
        <li class="nav-right"><a href="../authentication/">Sign in</a></li>
        <?php
        endif;
        ?>
        <?php if (is_admin()): ?>
        <li class="nav-right"><a href="../admin_dashboard/">Admin Dashboard</a></li>
        <?php endif; ?>
        <li class="dropdownIcon">
            <a href="javascript:void(0);" onclick="dropdownMenu()">&#9776;</a>
        </li>
    </ul>
</nav>