attributes['clientinfo_uid']; } final public function getServiceInfoUID(): int|null { return $this->attributes['serviceinfo_uid']; } final public function getServerInfoUID(): int|null { return $this->attributes['serverinfo_uid']; } //기본기능용 public function getCustomTitle(mixed $title = null): string { return sprintf("%s %s원", $title ? $title : $this->getTitle(), number_format($this->getPrice())); } final public function getPrice(): int { return $this->attributes['price']; } }