27 lines
616 B
PHP
27 lines
616 B
PHP
<?php
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declare(strict_types=1);
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namespace ZipStream;
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/**
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* @internal
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*/
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abstract class DataDescriptor
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{
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private const SIGNATURE = 0x08074b50;
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public static function generate(
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int $crc32UncompressedData,
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int $compressedSize,
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int $uncompressedSize,
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): string {
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return PackField::pack(
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new PackField(format: 'V', value: self::SIGNATURE),
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new PackField(format: 'V', value: $crc32UncompressedData),
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new PackField(format: 'V', value: $compressedSize),
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new PackField(format: 'V', value: $uncompressedSize),
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);
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}
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}
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