Integer to roman numeral conversion - Php
Integer_roman_num
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This function is used to convert an integer to a Roman numeral
<?php
function roman($num){
$n = intval($num);
$res = '';
$romanNumerals = array('M' => 1000,'CM' => 900,'D' => 500,'CD' => 400,'C' => 100,'XC' => 90,'L' => 50,'XL' => 40,'X' => 10,'IX' => 9,'V' => 5,'IV' => 4,'I' => 1);
foreach ($romanNumerals as $roman => $number){
$matches = intval($n / $number);
$res .= str_repeat($roman, $matches);
$n = $n % $number;
}
return $res;
}
echo roman(23);
?>
