<!DOCTYPE html>

<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
       // session_start();
              $_SESSION['username']=NULL;
              $_SESSION['password']=NULL;
               echo '<META http-equiv="refresh" content="0;../index.php">';
          
        // put your code here
        ?>
    </body>
</html>
