The most used Smarty constants

Sometimes, in the Smarty files of your theme or in your module’s templates, you will have to insert images or links to files. If you use WordPress, you may be familiar with constants such as TEMPLATEPATH to get the absolute path of the template files of the current theme. PrestaShop provides many constants, just like WordPress does.

The most important constants are assigned to Smarty in the assignGeneralPurposeVariables() method of the /classes/controller/FrontController.php file. The following constants are the most useful (if you want to get them all, feel free to reverse-engineer the FrontController class):

...

Constant	Content of the constant
$urls.img_ps_url	PrestaShop /img/ directory
$urls.img_cat_url	PrestaShop /img/c/ category images directory