convert2roman.php

/**
 * This is an incomplete recursive function.
 * It doesn't take care of 900 90 9 or 4 for example.
 * And it still doesn't have "else if" statements for X V and I
 * But hopefully you get the idea.
 */
function convert2Roman($integer, $result = “”) {
  if ($integer > 1000) {
        $result = $result . “M”;
        $integer = $integer - 1000;
        return covert2Roman($integer, $result);
    } else if  ($integer > 500) {
        $result = $result . “D”;
        $integer = $integer - 500;
        return covert2Roman($integer, $result);
    } else if ($integer > 100) {
        $result = $result . “C”;
        $integer = $integer - 100;
        return covert2Roman($integer, $result);
    } else if ($integer > 50) {
        $result = $result . “L”;
        $integer = $integer - 50;
        return covert2Roman($integer, $result);
    } else if ($integer === 0) {
        // You are done
        return result;
    }
}