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Current File : //home/silvzytp/dsr_code/vendor/ramsey/uuid/src/Converter/Time/UnixTimeConverter.php |
<?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 */ declare(strict_types=1); namespace Ramsey\Uuid\Converter\Time; use Ramsey\Uuid\Converter\TimeConverterInterface; use Ramsey\Uuid\Math\CalculatorInterface; use Ramsey\Uuid\Math\RoundingMode; use Ramsey\Uuid\Type\Hexadecimal; use Ramsey\Uuid\Type\Integer as IntegerObject; use Ramsey\Uuid\Type\Time; use function explode; use function str_pad; use const STR_PAD_LEFT; /** * UnixTimeConverter converts Unix Epoch timestamps to/from hexadecimal values * consisting of milliseconds elapsed since the Unix Epoch * * @psalm-immutable */ class UnixTimeConverter implements TimeConverterInterface { private const MILLISECONDS = 1000; public function __construct(private CalculatorInterface $calculator) { } public function calculateTime(string $seconds, string $microseconds): Hexadecimal { $timestamp = new Time($seconds, $microseconds); // Convert the seconds into milliseconds. $sec = $this->calculator->multiply( $timestamp->getSeconds(), new IntegerObject(self::MILLISECONDS), ); // Convert the microseconds into milliseconds; the scale is zero because // we need to discard the fractional part. $usec = $this->calculator->divide( RoundingMode::DOWN, // Always round down to stay in the previous millisecond. 0, $timestamp->getMicroseconds(), new IntegerObject(self::MILLISECONDS), ); /** @var IntegerObject $unixTime */ $unixTime = $this->calculator->add($sec, $usec); $unixTimeHex = str_pad( $this->calculator->toHexadecimal($unixTime)->toString(), 12, '0', STR_PAD_LEFT ); return new Hexadecimal($unixTimeHex); } public function convertTime(Hexadecimal $uuidTimestamp): Time { $milliseconds = $this->calculator->toInteger($uuidTimestamp); $unixTimestamp = $this->calculator->divide( RoundingMode::HALF_UP, 6, $milliseconds, new IntegerObject(self::MILLISECONDS) ); $split = explode('.', (string) $unixTimestamp, 2); return new Time($split[0], $split[1] ?? '0'); } }