getNewChatMembers() return arrays

[lyoha]

Laravel 8.74 exileed/telegram-bot-api 0.2.2

$update = Telegram::getWebhookUpdate();
$message = $update->getMessage();
$users = $message->getNewChatMembers();

$arId = [];
foreach ($users as $user) {
    if ($user->getIsBot()) { // Error: $user is array
        $arId[] = $user->getId();
    }
}

[Taalaybek]

What does getNewChatMembers method return?