//Display only the default layout
        $views->getView("views/header.php");
        $views->getView("views/form.php");
        $views->getView("views/footer.php");
    }
    //if action is specified as lookup:
    if ($_GET["action"] == "lookup") {
        // if the zip code has a value AND is not set = to empty:
        if (isset($_POST['tf_zip']) && !empty($_POST['tf_zip'])) {
            $zipcode = $_POST['tf_zip'];
            // then, store the zipcode in a variable
        } else {
            $zipcode = '32792';
            // then, store the default zip code in a variable
        }
        $data = $api->get_weather_by_zip($zipcode);
        $views->getView("views/header.php");
        $views->getView("views/weather.php", $data);
        $views->getView("views/footer.php");
    }
} else {
    // if the 'action' is not specified, send them home!
    header("Location: ?action=home");
}
?>

<pre>
	<?php 
print_r(get_defined_vars());
?>
</pre><br />