Metas::Serialize PHP Méthode

    public function Serialize()
    {
        if (count($this->_data) == 0) {
            return '';
        }
        $data = $this->_data;
        foreach ($data as $key => $value) {
            if (is_string($value)) {
                $data[$key] = self::ReplaceHost2Tag($value);
            }
        }
        //return json_encode($data);
        return serialize($data);
    }