Decimal to roman numeral converter in php
Php program for Decimal to roman numeral converter. Here mentioned other language solution.
<?php
// Php program for
// Conversion from Decimal to roman number
class Perform
{
// Display roman value of n
function result($n)
{
switch ($n) {
// Test Cases
case 1:
echo "I";
break;
case 4:
echo "IV";
break;
case 5:
echo "V";
break;
case 9:
echo "IX";
break;
case 10:
echo "X";
break;
case 40:
echo "XL";
break;
case 50:
echo "L";
break;
case 90:
echo "XC";
break;
case 100:
echo "C";
break;
case 400:
echo "CD";
break;
case 500:
echo "D";
break;
case 900:
echo "DM";
break;
case 1000:
echo "M";
break;
}
}
function select($number, &$collection, $size)
{
$n = 1;
$i = 0;
for (
$i = 0; $i < $size; ++$i)
{
if ($number >= $collection[$i])
{
$n = $collection[$i];
}
else
{
break;
}
}
Perform::result($n);
// Reduce the value of number
return $number - $n;
}
function romanNo($number)
{
if ($number <= 0)
{
// When is not a natural number
return;
}
// Base case collection
$collection = array(
1, 4, 5, 9, 10, 40, 50, 90, 100, 400, 500, 900, 1000
);
// Get the size of collection
$size = count($collection);
echo " " . $number . " : ";
while ($number > 0)
{
$number = Perform::select($number, $collection, $size);
}
// Add new line
print("\n");
}
}
function main()
{
// Test Case
Perform::romanNo(10);
Perform::romanNo(18);
Perform::romanNo(189);
Perform::romanNo(604);
Perform::romanNo(982);
Perform::romanNo(3000);
}
main();
Output
10 : X
18 : XVIII
189 : CLXXXIX
604 : DCIV
982 : DMLXXXII
3000 : MMM
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