Contents

<?php


function toRoman($number)
{
    $mapping = [
        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'
    ];

    $return = '';

    foreach ($mapping as $decimal => $roman) {
            $quantity = (int) ($number / $decimal);
            $return .= str_repeat($roman, $quantity);
            $number -= $decimal * $quantity;
    }

    return $return;
}

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.179	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.178	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.177	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.176	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.175	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.174	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.173	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.172	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.171	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.170	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.169	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.167	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.166	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.165	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.164	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.163	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.162	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.161	tracks/php/exercises/roman-numerals/example.php
trackler-2.2.1.160	tracks/php/exercises/roman-numerals/example.php