PHP form 60: input text textarea file

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

        Firstname: <input type="text" name="firstname" />
        <br />

        Lastname: <input type="text" name="lastname" />
        <br />

        Description: <textarea name="description" rows="10" cols="50"></textarea>
        <br />

        File Upload: <input type="file" name="upload" /><br />
        Preview: <img src="#" /> <br />

        <hr />

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

    </form>

$data = array(
    "post"  => $_POST,
    "files" => $_FILES
);

echo "<pre>";

// echo json_encode($data);

var_dump($data);