User::getUserName

static function getUserName(array $userIds, $siteId = null, $nameTemplate = null): array
{
	$data = [];
	$usersData = self::getData($userIds);

	foreach ($userIds as $userId)
	{
		$data[$userId] = self::formatName($usersData[$userId] ?? null, $nameTemplate);
	}

	return $data;
}