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(PHP Extension) Generate Monotonic ULIDsSee more ULID/UUID ExamplesGenerate a sequence of monotonic ULIDs all using the same seed time. This code sample generates a series of ULIDs with continuously increasing values. Important: Chilkat's ULID functionality was introduced in v9.5.0.94.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); $seedDt = new CkDateTime(); // You can set the seed time to any desired value. // In this example, the seed time is set to the current system date/time. $seedDt->SetFromCurrentSystemTime(); // Generate the 1st ULID in the series. // (i.e. the current UTC UNIX-time) $utc = true; $ulid = $seedDt->ulidGenerate($utc); print $ulid . "\n"; // Store the ULID in a Chilkat StringBuilder to generate the series. $sbUlid = new CkStringBuilder(); $sbUlid->Append($ulid); $i = 0; while ($i < 50) { $seedDt->UlidIncrement($sbUlid); print $sbUlid->getAsString() . "\n"; $i = $i + 1; } // Sample output: // 01GRGH30H8DMQ4F9A0XCTZHPGM // 01GRGH30H8DMQ4F9A0XCTZHPGN // 01GRGH30H8DMQ4F9A0XCTZHPGP // 01GRGH30H8DMQ4F9A0XCTZHPGQ // 01GRGH30H8DMQ4F9A0XCTZHPGR // 01GRGH30H8DMQ4F9A0XCTZHPGS // 01GRGH30H8DMQ4F9A0XCTZHPGT // 01GRGH30H8DMQ4F9A0XCTZHPGV // 01GRGH30H8DMQ4F9A0XCTZHPGW // 01GRGH30H8DMQ4F9A0XCTZHPGX // 01GRGH30H8DMQ4F9A0XCTZHPGY // 01GRGH30H8DMQ4F9A0XCTZHPGZ // 01GRGH30H8DMQ4F9A0XCTZHPH0 // 01GRGH30H8DMQ4F9A0XCTZHPH1 // 01GRGH30H8DMQ4F9A0XCTZHPH2 // 01GRGH30H8DMQ4F9A0XCTZHPH3 // 01GRGH30H8DMQ4F9A0XCTZHPH4 // 01GRGH30H8DMQ4F9A0XCTZHPH5 // 01GRGH30H8DMQ4F9A0XCTZHPH6 // 01GRGH30H8DMQ4F9A0XCTZHPH7 // 01GRGH30H8DMQ4F9A0XCTZHPH8 // 01GRGH30H8DMQ4F9A0XCTZHPH9 // 01GRGH30H8DMQ4F9A0XCTZHPHA // 01GRGH30H8DMQ4F9A0XCTZHPHB // 01GRGH30H8DMQ4F9A0XCTZHPHC // 01GRGH30H8DMQ4F9A0XCTZHPHD // 01GRGH30H8DMQ4F9A0XCTZHPHE // 01GRGH30H8DMQ4F9A0XCTZHPHF // 01GRGH30H8DMQ4F9A0XCTZHPHG // 01GRGH30H8DMQ4F9A0XCTZHPHH // 01GRGH30H8DMQ4F9A0XCTZHPHJ // 01GRGH30H8DMQ4F9A0XCTZHPHK // 01GRGH30H8DMQ4F9A0XCTZHPHM // 01GRGH30H8DMQ4F9A0XCTZHPHN // 01GRGH30H8DMQ4F9A0XCTZHPHP // 01GRGH30H8DMQ4F9A0XCTZHPHQ // 01GRGH30H8DMQ4F9A0XCTZHPHR // 01GRGH30H8DMQ4F9A0XCTZHPHS // 01GRGH30H8DMQ4F9A0XCTZHPHT // 01GRGH30H8DMQ4F9A0XCTZHPHV // 01GRGH30H8DMQ4F9A0XCTZHPHW // 01GRGH30H8DMQ4F9A0XCTZHPHX // 01GRGH30H8DMQ4F9A0XCTZHPHY // 01GRGH30H8DMQ4F9A0XCTZHPHZ // 01GRGH30H8DMQ4F9A0XCTZHPJ0 // 01GRGH30H8DMQ4F9A0XCTZHPJ1 // 01GRGH30H8DMQ4F9A0XCTZHPJ2 // 01GRGH30H8DMQ4F9A0XCTZHPJ3 // 01GRGH30H8DMQ4F9A0XCTZHPJ4 // 01GRGH30H8DMQ4F9A0XCTZHPJ5 // 01GRGH30H8DMQ4F9A0XCTZHPJ6 ?> |
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