The Importance of Being Lucky

Berikut adalah sebuah fungsi PHP yang menerima suatu angka dan memberikan bentuk terbilang dalam bahasa Indonesia dari angka tersebut:

<?php
/**
* Indonesian number speller (PHP 4 or greater)
*
* @param string $number a string representing a positive, integral number with 15 digits or less
* @return string|false the spelled out number in Indonesian, or false if the number is invalid
* @author {@link http://www.lesantoso.com Lucky E. Santoso} <lesantoso@yahoo.com>
* @copyright Copyright (c) 2006 Lucky E. Santoso
* @license http://opensource.org/licenses/gpl-license.php The GNU General Public License (GPL)
*/  
function spellNumberInIndonesian ($number) {
	$number = strval($number);
	if (!ereg("^[0-9]{1,15}$", $number)) 
		return(false); 
	$ones = array("", "satu", "dua", "tiga", "empat", 
		"lima", "enam", "tujuh", "delapan", "sembilan");
	$majorUnits = array("", "ribu", "juta", "milyar", "trilyun");
	$minorUnits = array("", "puluh", "ratus");
	$result = "";
	$isAnyMajorUnit = false;
	$length = strlen($number);
	for ($i = 0, $pos = $length - 1; $i < $length; $i++, $pos--) {
		if ($number{$i} != '0') {
			if ($number{$i} != '1')
				$result .= $ones[$number{$i}].' '.$minorUnits[$pos % 3].' ';
			else if ($pos % 3 == 1 && $number{$i + 1} != '0') {
				if ($number{$i + 1} == '1') 
					$result .= "sebelas "; 
				else 
					$result .= $ones[$number{$i + 1}]." belas ";
				$i++; $pos--;
			} else if ($pos % 3 != 0)
				$result .= "se".$minorUnits[$pos % 3].' ';
			else if ($pos == 3 && !$isAnyMajorUnit)
				$result .= "se";
			else
				$result .= "satu ";
			$isAnyMajorUnit = true;
		}
		if ($pos % 3 == 0 && $isAnyMajorUnit) {
			$result .= $majorUnits[$pos / 3].' ';
			$isAnyMajorUnit = false;
		}
	}
	$result = trim($result);
	if ($result == "") $result = "nol";
	return($result);
}
?>

See also: Indonesian Numbers (memakai fungsi ini)

This letter is dated December 2, 2006 and is filed under For Developers. You can follow any comments to this letter through the RSS 2.0 feed. You can leave a comment, or trackback from your own site.