CODE EXAMPLE FOR PHP

prestashop show all products in category

    {if !empty($smarty.get.order)}
        {capture assign='ordering'}order={$smarty.get.order}&{/capture}
    {else}
        {assign var='ordering' value=''}
    {/if}

    {if !empty($smarty.get.resultsPerPage)}
        {assign var='results_per_page' value=$smarty.get.resultsPerPage}
    {else}
        {assign var='results_per_page' value=25}
    {/if}