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modifier.romanize.php
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modifier.romanize.php
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<?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsModifier
*/
/**
* Smarty romanize modifier plugin
*
* Type: modifier<br>
* Name: romanize<br>
* Purpose: prints a number in roman
*
* @param int $
* @return string
*/
function smarty_modifier_romanize ($number) {
return romanize($number);
}
function romanize ($number) {
switch ($number) {
//Avoid return 'v' . romanize($number - 5); to speed up
case 1: return 'i';
case 2: return 'ii';
case 3: return 'iii';
case 4: return 'iv';
case 5: return 'v';
case 6: return 'vi';
case 7: return 'vii';
case 8: return 'viii';
case 9: return 'ix';
case 10: return 'x';
case 50: return 'l';
case 100: return 'c';
case 500: return 'd';
case 1000: return 'm';
default:
if ($number < 21)
return 'x' . romanize($number - 10);
elseif ($number < 30)
return 'xx' . romanize($number - 20);
elseif ($number < 40)
return 'xxx' . romanize($number - 30);
elseif ($number < 50)
return 'xl' . romanize($number - 40);
elseif ($number < 60)
return 'l' . romanize($number - 50);
elseif ($number < 70)
return 'lx' . romanize($number - 60);
elseif ($number < 80)
return 'lxx' . romanize($number - 70);
elseif ($number < 90)
return 'lxxx' . romanize($number - 80);
elseif ($number < 100)
return 'xc' . romanize($number - 90);
elseif ($number < 200)
return 'c' . romanize($number - 100);
elseif ($number < 300)
return 'cc' . romanize($number - 200);
elseif ($number < 400)
return 'ccc' . romanize($number - 300);
elseif ($number < 500)
return 'cd' . romanize($number - 400);
elseif ($number < 600)
return 'd' . romanize($number - 500);
elseif ($number < 700)
return 'dc' . romanize($number - 600);
elseif ($number < 800)
return 'dcc' . romanize($number - 700);
elseif ($number < 900)
return 'dccc' . romanize($number - 800);
elseif ($number < 1000)
return 'cm' . romanize($number - 800);
elseif (is_numeric($number)) {
$m = floor($number / 1000);
return str_repeat('m', $m) . romanize($number - $m);
}
else
return $number; //Not a arab number
}
}
?>

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