Roman Numerals

Disappointed to find that php’s date() function has no roman numeral conversion, nor is there any preexisting function to do so, I whipped up my own today.

```php <?php function roman_numeral($dec){ $table = array(1 => “I”, 5 => “V”, 10 => “X”, 50 => “L”, 100 => “C”, 500 => “D”, 1000 => “M”); $rom[100] = substr($dec, -3, 1); $rom[10] = substr($dec, -2, 1); $rom[1] = substr($dec, -1); $m = substr($dec, 0, -3);

    foreach($rom as $key => $base){
       switch($base){
          case 0:
             $rom[$key] = "";
             break;
          case 9:
             $rom[$key] = $table[$key].$table[$key*10];
             break;
          case 4:
             $rom[$key] = $table[$key].$table[$key*5];
             break;
          case 5:
             $rom[$key] = $table[$key*5];
             break;
          case $base < 4:
             $rom[$key] = str_repeat($table[$key], $base);
             break;
          case $base > 5:
             $rom[$key] = $table[$key*5].str_repeat($table[$key], $base - 5);
             break;
       }
    }
    return str_repeat("M", $m).implode($rom);
} ```