Online PHP editor | rfc for urEYG

@ 2019-12-08T21:16:38Z

<?php

/*
* Fill in all five below and click blue 'eval();' button below textarea.
*
* ------------------ */
$caseNumber = -1;
$unhashedServerSeed = '';
$nonce = -1;
$clientSeed = '';
$qty = -1;
/* ------------------ */

if ($caseNumber < 0 || $unhashedServerSeed == '' || $nonce < 0 || $clientSeed == '' || $qty < 0) {
    echo "Fill in details";
    return;
}

$unhashedServerSeed = preg_replace( "/\r|\n/", "", $unhashedServerSeed );
$clientSeed = preg_replace( "/\r|\n/", "", $clientSeed );

function calculatePreResult($init, $depth, $numIterations = 0, $hash = null)
{
    if ($numIterations === $depth) {
        return $hash;
    }
    if ($numIterations === 0) {
        $hash = $init;
    }
    return calculatePreResult($init, $depth, $numIterations + 1, hash('sha256', $hash));
}

$preResult = calculatePreResult("$unhashedServerSeed-$clientSeed-$caseNumber-$nonce", 1000);
$preResultAsInt = hexdec(substr(bin2hex($preResult), 0, 8));

$result = ($preResultAsInt % $qty) + 1;

echo "Pre-Result: $preResult / $preResultAsInt\n";
echo "Result: $result";

Output for git.master_jit, git.master, rfc.property-hooks: Fill in details

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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