Piwik\Twig::addFunction_includeAssets PHP Метод

    protected function addFunction_includeAssets()
    {
        $includeAssetsFunction = new Twig_SimpleFunction('includeAssets', function ($params) {
            if (!isset($params['type'])) {
                throw new Exception("The function includeAssets needs a 'type' parameter.");
            }
            $assetType = strtolower($params['type']);
            switch ($assetType) {
                case 'css':
                    return AssetManager::getInstance()->getCssInclusionDirective();
                case 'js':
                    return AssetManager::getInstance()->getJsInclusionDirective();
                default:
                    throw new Exception("The twig function includeAssets 'type' parameter needs to be either 'css' or 'js'.");
            }
        });
        $this->twig->addFunction($includeAssetsFunction);
    }