function convertNumber($values)
{
$originalNumber = $values["number"];
if (is_numeric($originalNumber)) {
$numerals = "Roman";
$originalNumber = (int) $originalNumber;
$convertedNumber = Numbers_Roman::toNumeral($originalNumber, true, true);
} else {
$numerals = "Arabic";
$originalNumber = preg_replace("/[^IVXLCDM]/i", "", $originalNumber);
$convertedNumber = Numbers_Roman::toNumber($originalNumber);
}
echo "<p>{$originalNumber} in {$numerals} numerals is: {$convertedNumber}.</p>";
}
function pleac_Working_with_Roman_Numerals()
{
// PHP offers no native support for Roman Numerals. However, a 'Numbers_Roman' class
// is available for download from PEAR: [http://pear.php.net/package/Numbers_Roman].
// Note the following 'include' directives are required:
//
// include_once('Numbers/Roman.php');
$roman = Numbers_Roman::toNumeral($arabic);
$arabic = Numbers_Roman::toNumber($roman);
// ----------------------------
$roman_fifteen = Numbers_Roman::toNumeral(15);
$arabic_fifteen = Numbers_Roman::toNumber($roman_fifteen);
printf("Roman for fifteen is: %s\n", $roman_fifteen);
printf("Arabic for fifteen is: %d\n", $arabic_fifteen);
}
/**
* Process the value
*
* @param var $value The value to process/format
* @return string The processed value
* @access private
*/
function _process($value)
{
return Numbers_Roman::toNumeral($value);
}
/**
* A backwards compatibility alias for toNumeral()
*
* @access private
*/
function toRoman($num, $uppercase = true)
{
return Numbers_Roman::toNumeral($num, $uppercase);
}
<?php
// Make the Numbers_Roman package available
require_once "Numbers/Roman.php";
// Retrieve current year
$year = date("Y");
// Convert year to Roman numerals
$romanyear = Numbers_Roman::toNumeral($year);
// Output the copyright statement
echo "Copyright © {$romanyear}";
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>1 to 100 in Roman numerals</title>
<link rel="stylesheet" type="text/css" href="common.css" />
</head>
<body>
<h1>1 to 100 in Roman numerals</h1>
<p>
<?php
require_once "Numbers/Roman.php";
for ($i = 1; $i <= 100; $i++) {
echo Numbers_Roman::toNumeral($i, true, true) . "<br />";
}
?>
</p>
</body>
</html>