Global smarty variables in Prestashop

VARIABLE	DESCRIPTION
LINKS
{$come_from}	URL for the visitor's origin.
{$link->getPageLink('prices-drop')}	Specific page – Sales
{$link->getPageLink('contact', true)}	Contact form (true is for SSL support)
{$cart}	shopping cart contents
{$cart_qties}	Number of products in the cart.
{$cookie}	User cookie.
{$currencies}	The various available currencies.
{$currency}	Currency object (currently used currency).
{$customerName}	Client name (if logged in).
{$id_currency_cookie}	ID of the current currency.
{$languages}	The various available languages.
{$logged}	Indicates whether the visitor is logged to a customer account.
{$page_name}	Page name.
{$priceDisplay}	Price display method (with or without taxes…).
{$roundMode}	Rounding method in use.
{$shop_name}	Shop name.
{$use_taxes}	Indicates whether taxes are enabled or not.
Directories
{$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
{$css_dir}	URL for the theme's CSS folder.
{$img_col_dir}
{$img_store_dir}	URL for the stores images folder.
{$img_cat_dir}	URL for the categories images folder.
{$img_dir}	URL for the theme's images folder.
{$img_lang_dir}	URL for the languages images folder.
{$img_manu_dir}	URL for the manufacturers images folder.
{$img_prod_dir}	URL for the products images folder.
{$img_ps_dir}	URL for the PrestaShop image folder.
{$img_ship_dir}	URL for the carriers (shipping) images folder.
{$img_sup_dir}	URL for the suppliers images folder.
{$js_dir}	URL for the theme's JavaScript folder.
{$lang_iso}	ISO code for the current language.
{$modules_dir}	URL the modules folder.
{$mail_dir}	URL for the mail templates folder.
{$pic_dir}	URL for the pictures upload folder.
{tpl_dir}	URL for the current theme's folder.