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a simple class to convert number to ords
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<?php | |
//simple class to convert number to words in php based on http://www.karlrixon.co.uk/writing/convert-numbers-to-words-with-php/ | |
if ( !class_exists('NumbersToWords') ){ | |
/** | |
* NumbersToWords | |
*/ | |
class NumbersToWords{ | |
public static $hyphen = '-'; | |
public static $conjunction = ' and '; | |
public static $separator = ', '; | |
public static $negative = 'negative '; | |
public static $decimal = ' point '; | |
public static $dictionary = array( | |
0 => 'zero', | |
1 => 'one', | |
2 => 'two', | |
3 => 'three', | |
4 => 'four', | |
5 => 'five', | |
6 => 'six', | |
7 => 'seven', | |
8 => 'eight', | |
9 => 'nine', | |
10 => 'ten', | |
11 => 'eleven', | |
12 => 'twelve', | |
13 => 'thirteen', | |
14 => 'fourteen', | |
15 => 'fifteen', | |
16 => 'sixteen', | |
17 => 'seventeen', | |
18 => 'eighteen', | |
19 => 'nineteen', | |
20 => 'twenty', | |
30 => 'thirty', | |
40 => 'fourty', | |
50 => 'fifty', | |
60 => 'sixty', | |
70 => 'seventy', | |
80 => 'eighty', | |
90 => 'ninety', | |
100 => 'hundred', | |
1000 => 'thousand', | |
1000000 => 'million', | |
1000000000 => 'billion', | |
1000000000000 => 'trillion', | |
1000000000000000 => 'quadrillion', | |
1000000000000000000 => 'quintillion' | |
); | |
public static function convert($number){ | |
if (!is_numeric($number) ) return false; | |
$string = ''; | |
switch (true) { | |
case $number < 21: | |
$string = self::$dictionary[$number]; | |
break; | |
case $number < 100: | |
$tens = ((int) ($number / 10)) * 10; | |
$units = $number % 10; | |
$string = self::$dictionary[$tens]; | |
if ($units) { | |
$string .= self::$hyphen . self::$dictionary[$units]; | |
} | |
break; | |
case $number < 1000: | |
$hundreds = $number / 100; | |
$remainder = $number % 100; | |
$string = self::$dictionary[$hundreds] . ' ' . self::$dictionary[100]; | |
if ($remainder) { | |
$string .= self::$conjunction . self::convert($remainder); | |
} | |
break; | |
default: | |
$baseUnit = pow(1000, floor(log($number, 1000))); | |
$numBaseUnits = (int) ($number / $baseUnit); | |
$remainder = $number % $baseUnit; | |
$string = self::convert($numBaseUnits) . ' ' . self::$dictionary[$baseUnit]; | |
if ($remainder) { | |
$string .= $remainder < 100 ? self::$conjunction : self::$separator; | |
$string .= self::convert($remainder); | |
} | |
break; | |
} | |
return $string; | |
} | |
}//end class | |
}//end if | |
/** | |
* usage: | |
*/ | |
//echo NumbersToWords::convert(2839); |
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