Untitled

<html>

<head>
</head>

    <body>
        <?php
            echo $_SERVER['HTTP_USER_AGENT'],'<br/><br/>';

            if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') == TRUE){
                echo 'You are you using Internet Explorer. <br/>';
            }
            else
                echo 'You must be using another browser. <br/>';

        ?>
        <form action="action.php" method="post">

            <p> Your name: <input type="text" name=name" /></p>
            <p> Your age:  <input type="text" name="age" /></p>
            <p> <input type="submit" /></p>

        </form>

    </body>
</html>