account_id = $account_id; $this->approval_id = $approval_id; $this->somme = $somme; } public function getAccountId(): int { return $this->account_id; } public function getApprovalId(): int { return $this->approval_id; } public function getSomme(): int { return $this->somme; } public function jsonSerialize() : array { return get_object_vars($this); } }