UserCollection.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Socialnetwork\Provider\User;
 
use ArrayIterator;
use Bitrix\Main\Type\Contract\Arrayable;
use IteratorAggregate;
 
class UserCollection implements IteratorAggregate, Arrayable
{
    protected array $users = [];
 
    public function __construct(User ...$users)
    {
        $this->users = $users;
    }
 
    public function add(User $user): static
    {
        $this->users[] = $user;
 
        return $this;
    }
 
    public function getIterator(): ArrayIterator
    {
        return new ArrayIterator($this->users);
    }
 
    public function toArray(): array
    {
        $users = [];
        foreach ($this->users as $user)
        {
            $users[$user->id] = $user->toArray();
        }
 
        return $users;
    }
}