Grido\Components\Container::hasExport PHP Метод

    public function hasExport($useCache = TRUE)
    {
        $hasExport = $this->hasExport;
        if ($hasExport === NULL || $useCache === FALSE) {
            $hasExport = (bool) $this->getComponent(Export::ID, FALSE);
            $this->hasExport = $useCache ? $hasExport : NULL;
        }
        return $hasExport;
    }