integers to roman conversion

gistfile1.txt

function integersToRomanNumeral($number)
{
    $values = [1000, 500, 100, 50, 10, 5, 1];
    $romanNumerals  = ['M', 'D', 'C', 'L', 'X', 'V', 'I'];

    $result = [];
    for($i = 0; $i<count($values); $i++) {
        while($number >= $values[$i]) {
            $number = $number - $values[$i];
            $result[] = $romanNumerals[$i];
        }
    }

    return implode("", $result);
}

echo integersToRomanNumeral(50);