Basket::count PHP Method

    function count()
    {
        return isset($_SESSION[$this->key]) ? count($_SESSION[$this->key]) : 0;
    }

$f3->route('GET /checkout', function ($f3) {
    $basket = new \Basket();
    $f3->set('itemcount', $basket->count());
    echo \Template::instance()->render('checkout.html');
});
$f3->route('POST /review', function ($f3) {
    $shippingaddress = array('name' => $f3->get('POST.name'), 'address1' => $f3->get('POST.address1'), 'address2' => $f3->get('POST.address2'), 'city' => $f3->get('POST.city'), 'state' => $f3->get('POST.state'), 'postcode' => $f3->get('POST.postcode'), 'country' => $f3->get('POST.country'));
    $f3->set('SESSION.address', serialize($shippingaddress));
    $basket = new \Basket();
    $cart = $basket->find();
    foreach ($cart as $item) {
        $subtotal += $item['amount'];
    }
    $f3->set('cartitems', $cart);
    $shipping = "5.00";
    $f3->set('itemcount', $basket->count());
    $f3->set('cartitems', $cart);
    $f3->set('subtotal', sprintf("%01.2f", $subtotal));
    $f3->set('shipping', sprintf("%01.2f", $shipping));
    $f3->set('ordertotal', sprintf("%01.2f", $subtotal + $shipping));
    $f3->set('shippingaddress', $shippingaddress);
    echo \Template::instance()->render('review.html');
});
$f3->route('GET /ecm', function ($f3) {
    $basket = new \Basket();
    $cartitems = $basket->find();
    $paypal = new PayPal();
    $subtotal = $paypal->copyBasket($cartitems);
    $shippingaddress = unserialize($f3->get('SESSION.address'));
    $paypal->setShippingAddress($shippingaddress['name'], $shippingaddress['address1'], $shippingaddress['address2'], $shippingaddress['city'], $shippingaddress['state'], $shippingaddress['postcode'], $shippingaddress['country']);
    $shipping = "5.00";