PHP code example of uma / uuid

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

uma / uuid example snippets

$v1 = new \UMA\Uuid\Version1Generator('01:23:45:67:89:ab');

(string) $v1->generate();
// c1f45316-dd26-11e7-b25b-0123456789ab

(string) $v1->generate();
// c1f45af4-dd26-11e7-b25b-0123456789ab

(string) $v1->generate();
// c1f45bf8-dd26-11e7-b25b-0123456789ab

$v4 = new \UMA\Uuid\Version4Generator();

(string) $v4->generate();
// 89f18abf-4c99-488c-a7e5-4f3a58e39d44

(string) $v4->generate();
// ff02c008-3318-4464-8f7c-0fc9263830b4

(string) $v4->generate();
// d4d33558-4a48-469e-8456-a46c4c895aac

$ns = \UMA\Uuid\Uuid::fromString(\UMA\Uuid\Version5Generator::NS_DNS);
$v5 = new \UMA\Uuid\Version5Generator($ns);

(string) $v5->generate('foo');
// b84ed8ed-a7b1-502f-83f6-90132e68adef

(string) $v5->generate('bar');
// e8d5cf6d-de0f-5e77-9aa3-91093cdfbf62

$comb = new \UMA\Uuid\CombGenerator();

(string) $comb->generate();
// 55fef06f-9382-4732-96b4-c13f92f7f254

(string) $comb->generate();
// 55fef06f-9392-4f41-a4c7-e036c1befcd7

(string) $comb->generate();
// 55fef06f-9396-4904-a606-c9b62c8e7aea

var_dump(microtime(true));
// 1513212567.378735

$g6 = new \UMA\Uuid\CombGenerator(6);
$g6->getOverflowDate();
// object(DateTimeImmutable)#4 (3) {
//   ["date"]=>
//   string(26) "2112-09-17 23:53:47.000000"
//   ["timezone_type"]=>
//   int(1)
//   ["timezone"]=>
//   string(6) "+00:00"
// }

$g0 = new \UMA\Uuid\CombGenerator(0);
$g0->getOverflowDate();
// object(DateTimeImmutable)#6 (3) {
//   ["date"]=>
//   string(29) "8921556-12-07 10:44:15.000000"
//   ["timezone_type"]=>
//   int(1)
//   ["timezone"]=>
//   string(6) "+00:00"
// }

$vanilla = new \UMA\Uuid\SequentialGenerator();

(string) $vanilla->generate();
// 00000000-0000-0000-0000-000000000000

(string) $vanilla->generate();
// 00000000-0000-0000-0000-000000000001

(string) $vanilla->generate();
// 00000000-0000-0000-0000-000000000002


$custom = new \UMA\Uuid\SequentialGenerator(dechex('abcd'), 255);

(string) $custom->generate();
// 00000000-0000-abcd-0000-0000000000ff

(string) $custom->generate();
// 00000000-0000-abcd-0000-000000000100

(string) $custom->generate();
// 00000000-0000-abcd-0000-000000000101

// Creates a new Uuid object from a hardcoded string
$uuid = \UMA\Uuid::fromString('96aaab69-7b76-4461-b008-cbb9cfcb6fdf');


// Passing an invalid value will result in an \InvalidArgumentException thrown
$badUuid = \UMA\Uuid::fromString('abcd');


// If you don't know beforehand if the value is a valid UUID but want
// to avoid the exception you can rely on the `Uuid::isUuid(string): bool` helper.
if (false === \UMA\Uuid::isUuid($unsafeUuid)) {
   return;
}

$safeUuid = \UMA\Uuid::fromString($unsafeUuid);

$uuid = \UMA\Uuid::fromBytes(random_bytes(16));

$uuid = (new \UMA\Uuid\CombGenerator)->generate();

$uuid->asBytes();
// ??????M???D????d

$uuid->asString();
// 5608bfbf-4602-4abb-9aa1-7584ab428631

(string) $uuid === $uuid->asString();
// true

use UMA\Uuid\Uuid;
use UMA\Uuid\UuidGenerator;

class DeterministicGenerator implements UuidGenerator
{
    /**
     * @var Uuid
     */
    private $uuid;

    public function __construct(Uuid $uuid)
    {
        $this->uuid = $uuid;
    }

    public function generate(string $name = null): Uuid
    {
        return clone $this->uuid;
    }
}