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author | Max Kostikov <max@kostikov.co> | 2018-09-28 15:46:14 +0200 |
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committer | Max Kostikov <max@kostikov.co> | 2018-09-28 15:46:14 +0200 |
commit | 4a904fa3a8af1c101ede76657249fb7eb47faf60 (patch) | |
tree | 544509813fb68579ef2b556ce879a971d183269a /vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php | |
parent | f5f6ec3d71acb3e0488386819d5060e59331ec23 (diff) | |
parent | c13d7e29ef9676b0f0e4ae23aa52e203f4ad8895 (diff) | |
download | volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.tar.gz volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.tar.bz2 volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.zip |
Merge branch 'patch-29' into 'dev'
Patch 29
See merge request Kostikov/core!3
Diffstat (limited to 'vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php')
-rw-r--r-- | vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php b/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php new file mode 100644 index 000000000..6a9da74b8 --- /dev/null +++ b/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php @@ -0,0 +1,47 @@ +<?php +/** + * This file is part of the ramsey/uuid library + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + * + * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> + * @license http://opensource.org/licenses/MIT MIT + * @link https://benramsey.com/projects/ramsey-uuid/ Documentation + * @link https://packagist.org/packages/ramsey/uuid Packagist + * @link https://github.com/ramsey/uuid GitHub + */ + +namespace Ramsey\Uuid\Converter\Time; + +use Ramsey\Uuid\Converter\TimeConverterInterface; + +/** + * PhpTimeConverter uses built-in PHP functions and standard math operations + * available to the PHP programming language to provide facilities for + * converting parts of time into representations that may be used in UUIDs + */ +class PhpTimeConverter implements TimeConverterInterface +{ + /** + * Uses the provided seconds and micro-seconds to calculate the time_low, + * time_mid, and time_high fields used by RFC 4122 version 1 UUIDs + * + * @param string $seconds + * @param string $microSeconds + * @return string[] An array containing `low`, `mid`, and `high` keys + * @link http://tools.ietf.org/html/rfc4122#section-4.2.2 + */ + public function calculateTime($seconds, $microSeconds) + { + // 0x01b21dd213814000 is the number of 100-ns intervals between the + // UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00. + $uuidTime = ($seconds * 10000000) + ($microSeconds * 10) + 0x01b21dd213814000; + + return array( + 'low' => sprintf('%08x', $uuidTime & 0xffffffff), + 'mid' => sprintf('%04x', ($uuidTime >> 32) & 0xffff), + 'hi' => sprintf('%04x', ($uuidTime >> 48) & 0x0fff), + ); + } +} |