public function unSerialize($value)
    {
        if ($value === null) {
            return null;
        }

        return unserialize($this->base64 ? base64_decode($value) : $value, ['allowed_classes' => true]);
    }
public function unSerialize($value)
    {
        if ($value === null) {
            return null;
        }

        return unserialize($this->base64 ? base64_decode($value) : $value, ['allowed_classes' => true]);
    }
@param null|string $value

@return mixed