updatementor.html

<!DOCTYPE html>
<html>

    <head>
        <meta charset="utf-8">
        <meta name="description" content="Welcome to my page">
        <link rel="stylesheet" href="Css/updateuser.css">
        <title>Update Page</title>
    </head>

    <body>
        <div class="father">
            <fieldset>
                <legend>Change Mentor</legend>
                <form action="updatementor.php" method="POST">
                    <input class="txt" type="number" placeholder="Old ID" name="old" required>
                    <br><br><br>
                    <input class="txt" type="number" placeholder="New ID" name="new" required>
                    <div class="move">
                    <input class="sub" type="submit" value="Update" name="update">
                    </div>

                    <div class="move2">
                    <a href="update.html">Back</a>
                    </div>
                </form>
            </fieldset>

        </div>
        
    </body>

</html>