createdAt = new \DateTime(); $this->updatedAt = new \DateTime(); } /** * @ORM\PreUpdate */ public function onPreUpdate(): void { $this->updatedAt = new \DateTime(); } public function setCreatedAt(?\DateTime $createdAt): self { $this->createdAt = $createdAt; return $this; } public function getCreatedAt(): ?\DateTime { return $this->createdAt; } public function setUpdatedAt(?\DateTime $updatedAt): self { $this->updatedAt = $updatedAt; return $this; } public function getUpdatedAt(): ?\DateTime { return $this->updatedAt; } }