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Fixed length unsigned arithmetic emulation
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README.md

Unsigned Arithmetic for PHP

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The lib was created as a helper for the random-polyfill.

Installation

composer require 'arokettu/unsigned'

Example

<?php
use Arokettu\Unsigned as u;
$a = u\from_int(1234567890123456789, 24);
$b = u\from_hex('123456789abcdef01234567890abcdef', 24);
// 1234567890123456789 * 0x123456789abcdef01234567890abcdef =
$c = u\mul($a, $b);
var_dump(u\to_dec($c)); // 29873897512945703720213152879288233401251320475301467035

Documentation

Read full documentation here: https://sandfox.dev/php/unsigned.html

Also on Read the Docs: https://php-unsigned.readthedocs.io/

Support

Please file issues on our main repo at GitLab: https://gitlab.com/sandfox/unsigned/-/issues

License

The library is available as open source under the terms of the 2-Clause BSD License.