Online PHP editor | rfc for uDvJ9

@ 2025-04-15T20:00:41Z

<?php

/*
* Fill in all four below and click the blue 'eval();' button.
* ------------------ */

$server_seed = "1e54f598c40ea0ac1a8f94af07113fdd82a9346b1cf764a85c43c33a5d868531";
$public_seed = "1127130323";
$round = "10846324";

/* ------------------ */

if ($server_seed == '' || $public_seed === "" || $round == '') {
    echo "Fill in details";
    return;
}

$hash = hash_hmac('sha256', $public_seed . "-" . $round, $server_seed);

$decimal_hash = '0';
$length = strlen($hash);
for ($i = 0; $i < $length; $i++) {
    $decimal_hash = bcmul($decimal_hash, '16'); // Multiply by base 16
    $decimal_hash = bcadd($decimal_hash, hexdec($hash[$i])); // Add the current digit
}

// Apply modulo to get the roll
$roll = bcmod($decimal_hash, '15'); // Use modulo 15 to get the roll

if ($roll == 0) $roll_colour = 'bonus';
elseif ($roll >= 1 and $roll <= 7) $roll_colour = 'orange';
elseif ($roll >= 8 and $roll <= 14) $roll_colour = 'black';

echo("Roll: $roll\nColour: $roll_colour");

Output for git.master_jit, git.master: Roll: 1 Colour: orange

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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