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Initial refactor of functions.php

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This commit is contained in:
Zankaria
2024-01-31 15:32:22 +01:00
parent f45bc768fe
commit 3baa68c7b6
9 changed files with 680 additions and 645 deletions
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24
inc/functions/encoding.php Normal file
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@@ -0,0 +1,24 @@
<?php
defined('TINYBOARD') or exit;
function base32_decode($d) {
$charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
$d = str_split($d);
$l = array_pop($d);
$b = '';
foreach ($d as $c) {
$b .= sprintf("%05b", strpos($charset, $c));
}
$padding = 8 - strlen($b) % 8;
$b .= str_pad(decbin(strpos($charset, $l)), $padding, '0', STR_PAD_LEFT);
return implode('', array_map(function($c) { return chr(bindec($c)); }, str_split($b, 8)));
}
function base32_encode($d) {
$charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
$b = implode('', array_map(function($c) { return sprintf("%08b", ord($c)); }, str_split($d)));
return implode('', array_map(function($c) use ($charset) { return $charset[bindec($c)]; }, str_split($b, 5)));
}