attributes['user_uid'] ?? null; } final public function getClientInfoUid(): int|null { return $this->attributes['clientinfo_uid'] ?? null; } //기본기능 final public function getAmount(): int { return $this->attributes['amount'] ?? 0; } final public function getBalance(): int { return $this->attributes['balance'] ?? 0; } final public function getContent(): string { return $this->attributes['content'] ?? ''; } }