bills = new ArrayCollection(); } public function getId(): ?int { return $this->id; } /** * @return Collection */ public function getBills(): Collection { return $this->bills; } public function addBill(Bill $bill): self { if (!$this->bills->contains($bill)) { $this->bills[] = $bill; $bill->setSddRegie($this); } return $this; } public function removeBill(Bill $bill): self { if ($this->bills->removeElement($bill)) { // set the owning side to null (unless already changed) if ($bill->getSddRegie() === $this) { $bill->setSddRegie(null); } } return $this; } }