class Money {
// Uses the Thousand, Lakh, Crore format
CONST ThouLakhCrore = 0;
// Uses the Thousand, Million, Billion format
CONST ThouMilBil = 1;
public static function amountToWords($no, $currency='INR', $formatString = '%UNIT% %WHOLE% & %FRACTION% %SUBUNIT%', $option = self::ThouLakhCrore) {
if ($no == 0)
return "Zero";
$words = $formatString;
$whole = '';
$fraction = '';
$wholeInt = floor($no);
$whole = ($wholeInt == 0) ? 'Zero' : self::words_big($wholeInt, $option);
$fracInt = (int) (($no - $wholeInt) * 100) % 100;
$fraction = ($fracInt == 0) ? 'Zero' : self::words_tens($fracInt);
// TBD: Lookup unit, subunit for $currency & replace values below
$curr_unit = 'Rs.';
$curr_subunit = 'paise';
$words = str_replace('%WHOLE%', $whole, $words);
$words = str_replace('%FRACTION%', $fraction, $words);
$words = str_replace('%UNIT%', $curr_unit, $words);
$words = str_replace('%SUBUNIT%', $curr_subunit, $words);
return ucfirst($words);
}
protected static function words_big($no, $option) {
$descSingular = $option == 0 ? array("Thousand", "Lakh", "Crore", "Thousand Crore") : array("Thousand", "Million", "Billion", "Trillion");
$descPlural = $option == 0 ? array("Thousand", "Lakhs", "Crores", "Thousand Crores") : array("Thousand", "Million", "Billion", "Trillion");
$compare = $option == 0 ? array(1000, 100000, 10000000, 10000000000) : array(1000, 1000000, 1000000000, 1000000000000);
$divide = count($descSingular);
$loop = $divide;
$words = '';
/* handle upto thousand */
for ($i = $loop - 1; $i >= 0; $i--) {
$nos = ($i == $loop - 1) ? $no : $no % $compare[$i + 1];
$split = (int) floor($nos / $compare[$i]);
if ($split > 0) {
if ($split < 100)
$words .= ' ' . self::words_tens($split) . ' ' . ($split == 1 ? $descSingular[$i] : $descPlural[$i]);
if ($split >= 100 && $split < 1000)
$words .= ' ' . self::words_hundreds($split) . ' ' . $descPlural[$i];
else if ($split >= 1000)
$words .= ' ' . self::words_big($split, $option) . ' ' . $descPlural[$i];
}
if ($i == 0) {
$hundred = (int) $no % 1000;
if ($hundred > 0 && $hundred < 999)
$words .= ' ' . self::words_hundreds($hundred);
}
}
return trim($words);
}
protected static function words_hundreds($no) {
$words = '';
if ($no > 999)
throw new Exception("Invalid call to hundreds function");
$hundreds = 0;
if ($no > 99) {
$hundreds = floor($no / 100);
$words = self::words_units($hundreds) . ' ' . "Hundred";
}
$words .= ' ' . self::words_tens($no - (100 * $hundreds));
return trim($words);
}
protected static function words_tens($no) {
$words = '';
if ($no > 99)
throw new Exception("Invalid call to Tens function");
$tens = floor($no / 10);
if ($tens > 1) {
switch ($tens) {
case 2:
$words = "Twenty";
break;
case 3:
$words = "Thirty";
break;
case 4:
$words = "Forty";
break;
case 5:
$words = "Fifty";
break;
case 6:
$words = "Sixty";
break;
case 7:
$words = "Seventy";
break;
case 8:
$words = "Eighty";
break;
case 9:
$words = "Ninety";
break;
default:
break;
}
$words .= ' ' . self::words_units($no - $tens * 10);
}
else
$words = self::words_units($no);
return trim($words);
}
protected static function words_units($no) {
$words = '';
if ($no > 19)
throw new Exception("Invalid call to Units function");
switch ($no) {
case 1:
$words = "One";
break;
case 2:
$words = "Two";
break;
case 3:
$words = "Three";
break;
case 4:
$words = "Four";
break;
case 5:
$words = "Five";
break;
case 6:
$words = "Six";
break;
case 7:
$words = "Seven";
break;
case 8:
$words = "Eight";
break;
case 9:
$words = "Nine";
break;
case 10:
$words = "Ten";
break;
case 11:
$words = "Eleven";
break;
case 12:
$words = "Twelve";
break;
case 13:
$words = "Thirteen";
break;
case 14:
$words = "Fourteen";
break;
case 15:
$words = "Fifteen";
break;
case 16:
$words = "Sixteen";
break;
case 17:
$words = "Seventeen";
break;
case 18:
$words = "Eighteen";
break;
case 19:
$words = "Nineteen";
break;
default:
break;
}
return $words;
}
}
