PKPTemplateManager::smartyUrl PHP Method

    function smartyUrl($parameters, $smarty)
    {
        if (!isset($parameters['context'])) {
            // Extract the variables named in $paramList, and remove them
            // from the parameters array. Variables remaining in params will be
            // passed along to Request::url as extra parameters.
            $context = array();
            $application = PKPApplication::getApplication();
            $contextList = $application->getContextList();
            foreach ($contextList as $contextName) {
                if (isset($parameters[$contextName])) {
                    $context[$contextName] = $parameters[$contextName];
                    unset($parameters[$contextName]);
                } else {
                    $context[$contextName] = null;
                }
            }
            $parameters['context'] = $context;
        }
        // Extract the reserved variables named in $paramList, and remove them
        // from the parameters array. Variables remaining in parameters will be passed
        // along to Request::url as extra parameters.
        $paramList = array('params', 'router', 'context', 'page', 'component', 'op', 'path', 'anchor', 'escape');
        foreach ($paramList as $parameter) {
            if (isset($parameters[$parameter])) {
                ${$parameter} = $parameters[$parameter];
                unset($parameters[$parameter]);
            } else {
                ${$parameter} = null;
            }
        }
        // Merge parameters specified in the {url paramName=paramValue} format with
        // those optionally supplied in {url params=$someAssociativeArray} format
        $parameters = array_merge($parameters, (array) $params);
        // Set the default router
        if (is_null($router)) {
            if (is_a($this->_request->getRouter(), 'PKPComponentRouter')) {
                $router = ROUTE_COMPONENT;
            } else {
                $router = ROUTE_PAGE;
            }
        }
        // Check the router
        $dispatcher = PKPApplication::getDispatcher();
        $routerShortcuts = array_keys($dispatcher->getRouterNames());
        assert(in_array($router, $routerShortcuts));
        // Identify the handler
        switch ($router) {
            case ROUTE_PAGE:
                $handler = $page;
                break;
            case ROUTE_COMPONENT:
                $handler = $component;
                break;
            default:
                // Unknown router type
                assert(false);
        }
        // Let the dispatcher create the url
        return $dispatcher->url($this->_request, $router, $context, $handler, $op, $path, $parameters, $anchor, !isset($escape) || $escape);
    }