[codywallis]

Put all this code in one PHP file.

Ok here's is the form code

PHP Code:

<form action="" method="POST">

Username: <input type="text" name="username"><br>

Password: <input type="text" name="password"><br>

<?php echo $pincode; ?>

<br>

<input type="submit" name="Submit" value="Submit">

Here is the php code

PHP Code:

<?php



         if(isset($Submit)) {

          

             if($_POST['username']=='codywallis' && $_POST['password']=='codywallis') {

             $pincode="Pin code: <input type='text' name='pincode'>";

             }

}

?>