eventcollection.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Internals\Counter\Event;
 
class EventCollection
{
    private static $instance;
    private array $registry = [];
    private array $ids = [];

    private function __construct()
    {
 
    }

    public static function getInstance(): self
    {
        if (!self::$instance)
        {
            self::$instance = new self();
        }
 
        return self::$instance;
    }

    public function list(): array
    {
        return $this->registry;
    }

    public function push(Event $event): void
    {
        $this->registry[] = $event;
        $this->ids[] = $event->getId();
    }

    public function getEventsId(): array
    {
        return $this->ids;
    }
 
}