Proyectos de Subversion Moodle

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1 efrain 1 
<?php
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declare(strict_types=1);
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namespace ZipStream;
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use DateInterval;
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use DateTimeImmutable;
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use DateTimeInterface;
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use ZipStream\Exception\DosTimeOverflowException;
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/**
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 * @internal
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 */
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abstract class Time
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{
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    private const DOS_MINIMUM_DATE = '1980-01-01 00:00:00Z';
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    public static function dateTimeToDosTime(DateTimeInterface $dateTime): int
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    {
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        $dosMinimumDate = new DateTimeImmutable(self::DOS_MINIMUM_DATE);
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        if ($dateTime->getTimestamp() < $dosMinimumDate->getTimestamp()) {
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            throw new DosTimeOverflowException(dateTime: $dateTime);
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        }
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        $dateTime = DateTimeImmutable::createFromInterface($dateTime)->sub(new DateInterval('P1980Y'));
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        ['year' => $year,
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            'mon' => $month,
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            'mday' => $day,
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            'hours' => $hour,
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            'minutes' => $minute,
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            'seconds' => $second
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        ] = getdate($dateTime->getTimestamp());
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        return
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            ($year << 25) |
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            ($month << 21) |
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            ($day << 16) |
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            ($hour << 11) |
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            ($minute << 5) |
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            ($second >> 1);
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    }
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}