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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 ($number) : string {
return romanize($number);
}
function romanize ($number) : string {
switch ($number) {
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);
}
// Not a arab number, return as is
return $number;
}
}

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