created_at->format('Y-m-d') //비교방법 : if ($client->created_at < new \DateTime('2024-01-01')) { protected $casts = []; public function __construct(array|null $data = null) { parent::__construct($data); } public function getPK(): string { $field = constant("static::PK"); return $this->attributes[$field]; } public function getTitle(): string { $field = constant("static::TITLE"); return $this->attributes[$field]; } final public function getUpdatedAt(): string|null { return $this->attributes['updated_at']; } final public function setUpdatedAt(string $value): void { $this->attributes['updated_at'] = $value; } final public function getCreatedAt(): string { return $this->attributes['created_at']; } public function getPrice(): string { return $this->attributes['price']; } public function getStatus(): string|null { return $this->attributes['status'] ?? null; } }