MessageBoxCollection.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Main\Messenger\Entity;

class MessageBoxCollection implements MessageBoxCollectionInterface
{
    protected array $items = [];

    public function __construct(MessageBox... $items)
    {
        foreach ($items as $item)
        {
            $this->add($item);
        }
    }
 
    public function count(): int
    {
        return count($this->items);
    }
 
    public function isEmpty(): bool
    {
        return empty($this->items);
    }
 
    public function getIterator(): \ArrayIterator
    {
        return new \ArrayIterator($this->items);
    }
 
    public function add(MessageBox $item): void
    {
        $this->items[] = $item;
    }

    public function toArray(): array
    {
        return $this->items;
    }
}