public function loadTranslation($file)
    {
        $translations = &gplcart_static("translation.$file");

        if (isset($translations)) {
            return (array) $translations;
        }

        $translations = array();

        if (empty($file) || !is_file($file)) {
            return $translations = array();
        }

        foreach ($this->parseCsv($file) as $row) {
            $key = array_shift($row);
            $translations[$key] = $row;
        }

        return $translations;
    }