Design Meets Code

$base_dir { root folder of your shop }
$base_dir_ssl { root folder of your shop using HTTPS protocol }
$content_dir { root folder of your shop depending on the SSL settings }
$img_ps_dir { root folder containing images "/img/" }
$img_dir { images folder in your current theme directory }
$css_dir { css folder inside the current theme folder }
$js_dir { JavaScript inside the theme folder }
$tpl_dir { theme root folder }
$modules_dir { modules root folder }
$mail_dir { mail templates root folder }
$lang_iso { current language ISO code }
$come_from { previous page address [absolute] }
$shop_name { your specified shop name }
$cart_qties { total number of products in the cart }
$cart { shopping cart contents }
$currencies { pulls available currencies }
$id_currency_cookie { selected currency id [cookie dependent] }
$currency { active currency }
$cookie { active cookie }
$languages { grabs available languages }
$logged { checks whether users is logged in }
$page_name { current page's name }
$customerName { customer name [session dependent] }
$priceDisplay { current price display settings [currency dependent] }

{$smarty.server.HTTP_HOST}{$smarty.server.REQUEST_URI}

This could for example be used to put a Facebook like button on the products.tpl that enables the user to like a specific item:

<iframe src=”http://www.facebook.com/plugins/like.php?href={$smarty.server.HTTP_HOST}{$smarty.server.REQUEST_URI}&layout=button_count&show_faces=true&width=450&action=like&colorscheme=light&height=21″ scrolling=”no” frameborder=”0″ style=”border:none; overflow:hidden; width:450px; height:21px;” allowTransparency=”true”></iframe>