Online PHP editor | output for WkesI

@ 2021-10-21T07:24:09Z

<?php

$a = [
    101 => 5,
    109 => 100,
    220 => 50,
    231 => 45,
    245 => 90
];
$b = [
    'PRO' => 12,
    'LOG' => 15,
    'DEV' => 100
];

$difference = 0;
foreach ($a as &$minuend) {
    while ($minuend && ($b || $difference < 0)) {
        $suprahend = $difference < 0 ? -$difference : array_shift($b);
        $difference = $minuend - $suprahend;
        $minuend = max(0, $difference);
    }
}
var_export($a);

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13: array ( 101 => 0, 109 => 0, 220 => 28, 231 => 45, 245 => 90, )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 101 => 0, 109 => 0, 220 => 28, 231 => 45, 245 => 90, )

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