EventOptionsDto.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\EventOption\Dto;
 
use Bitrix\Main\Type\Contract\Arrayable;
 
final class EventOptionsDto implements \JsonSerializable, Arrayable
{
    public function __construct(
        public readonly ?int $maxAttendees
    )
    {
    }
 
    public static function fromArray(array $data): self
    {
        return new self(
            maxAttendees: $data['max_attendees'],
        );
    }
 
    public static function fromJson(string $json): ?self
    {
        $array = json_decode($json, true);
        if (!$array) {
            return null;
        }
 
        return self::fromArray($array);
    }
 
    public function toArray(): array
    {
        return [
            'maxAttendees' => $this->maxAttendees,
        ];
    }
 
    public function jsonSerialize(): array
    {
        return $this->toArray();
    }
}