Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl <?php function romanNumerals($num){ $n = intval($num); $res = ''; /*** roman_numerals array ***/ $roman_numerals = array( 'M' => 1000, 'CM' => 900, 'D' => 500, 'CD' => 400, 'C' => 100, 'XC' => 90, 'L' => 50, 'XL' => 40, 'X' => 10, 'IX' => 9, 'V' => 5, 'IV' => 4, 'I' => 1); foreach ($roman_numerals as $roman => $number){ /*** divide to get matches ***/ $matches = intval($n / $number); /*** assign the roman char * $matches ***/ $res .= str_repeat($roman, $matches); /*** substract from the number ***/ $n = $n % $number; } /*** return the res ***/ return $res; } echo romanNumerals(2523); ?> Private [?] Run code