<?php
// if (session_status() === PHP_SESSION_NONE){session_start();}

if(isset($_SESSION['username'])) {
echo "<div class='sidebar'>
        Welcome " . $_SESSION['username'] . " <br>
        <a href='changepassword.php'>Change Password</a><br>
        <a href='login-index.php'>Control Panel</a><br>
        <a href='logout.php'>Log out</a>
        <div class='copyright'>&#169; 2007-2014 Bandcamp</div></div>";   

}

else {
echo "<div class='sidebar'>
<form method='post' action=''>
            <input type='text' name='username' placeholder='Username' size='20'/>
            <input type='password' name='password' placeholder='Password' size='20'/>";

                if ($error) {
                    echo '<p>Invalid Username and/or Password!</p>';
                }

echo  "<input type='submit' value='Login' name='login'/>      
        </form>
    <a href='register.php'>Register here</a>
            <div class='copyright'>&#169; 2007-2014 Bandcamp</div>
</div>";}
    
?>    