Online PHP editor | output for jiVR5

@ 2022-09-22T03:52:32Z

<?php

function numberToRoman(int $integer): string {
    static $conversions = [
        1000 => 'M',
        900 => 'CM',
        500 => 'D',
        400 => 'CD',
        100 => 'C',
        90 => 'XC',
        50 => 'L',
        40 => 'XL',
        10 => 'X',
        9 => 'IX',
        5 => 'V',
        4 => 'IV',
        1 => 'I'
    ];
    $romanString = '';
    foreach ($conversions as $int => $roman) {
        echo "\tcheck $roman\n";
        while ($integer >= $int) {
            echo "\tsubtract $int\n";
            $romanString .= $roman;
            if (!($integer -= $int)) {
                break 2;
            }
        }
    }
    return $romanString;
}

echo numberToRoman(3333);
echo "\n---\n";
echo numberToRoman(5000);

echo "\n======\n";

function numberToRomanRepresentation($number) {
    $map = array('M' => 1000, 'CM' => 900, 'D' => 500, 'CD' => 400, 'C' => 100, 'XC' => 90, 'L' => 50, 'XL' => 40, 'X' => 10, 'IX' => 9, 'V' => 5, 'IV' => 4, 'I' => 1);
    $returnValue = '';
    while ($number > 0) {
        foreach ($map as $roman => $int) {
            echo "\tcheck $roman\n";
            if($number >= $int) {
                echo "\tsubtract $int\n";
                $number -= $int;
                $returnValue .= $roman;
                break;
            }
        }
    }
    return $returnValue;
}

echo numberToRomanRepresentation(3333);
echo "\n---\n";
echo numberToRomanRepresentation(5000);

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: check M subtract 1000 subtract 1000 subtract 1000 check CM check D check CD check C subtract 100 subtract 100 subtract 100 check XC check L check XL check X subtract 10 subtract 10 subtract 10 check IX check V check IV check I subtract 1 subtract 1 subtract 1 MMMCCCXXXIII --- check M subtract 1000 subtract 1000 subtract 1000 subtract 1000 subtract 1000 MMMMM ====== check M subtract 1000 check M subtract 1000 check M subtract 1000 check M check CM check D check CD check C subtract 100 check M check CM check D check CD check C subtract 100 check M check CM check D check CD check C subtract 100 check M check CM check D check CD check C check XC check L check XL check X subtract 10 check M check CM check D check CD check C check XC check L check XL check X subtract 10 check M check CM check D check CD check C check XC check L check XL check X subtract 10 check M check CM check D check CD check C check XC check L check XL check X check IX check V check IV check I subtract 1 check M check CM check D check CD check C check XC check L check XL check X check IX check V check IV check I subtract 1 check M check CM check D check CD check C check XC check L check XL check X check IX check V check IV check I subtract 1 MMMCCCXXXIII --- check M subtract 1000 check M subtract 1000 check M subtract 1000 check M subtract 1000 check M subtract 1000 MMMMM

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