Listing 6.6. Funkcja smarty_function_url()
<?php

function smarty_function_url($params, &$smarty)
{
    $unfriendly = '';
    if (isset($params['s'])) {
        $unfriendly = $params['s'];
    };

    $type = null;
    if (isset($params['type'])) {
        $type = $params['type'];
    };

    return url($unfriendly, $type);
}