Helper::getIndexUsersByIds

static function getIndexUsersByIds(?array $idList): array
{
	$usersDb = UserTable::getList([
		'filter' => [
			'ID' => $idList,
		],
		'select' => [
			'ID',
			'NAME',
			'LAST_NAME',
			'EMAIL',
		],
	]);

	$collection = [];
	while ($user = $usersDb->fetch())
	{
		$collection[$user['ID']] = $user;
	}

	return $collection;
}