externalidbuilder.php

<?php
 
namespace Bitrix\Location\Source\Osm;
 
final class ExternalIdBuilder
{
    public static function buildExternalId(string $osmType, int $osmId): ?string
    {
        if (!$osmType || !$osmId)
        {
            return null;
        }
 
        return sprintf('%s%s', $osmType, $osmId);
    }
 
    public static function getOsmTypeByExternalId(string $externalId): ?string
    {
        return (string)mb_substr($externalId, 0, 1);
    }
 
    public static function getOsmIdByExternalId(string $externalId): ?int
    {
        return (int)mb_substr($externalId, 1);
    }
}