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kwn/number-to-words

kwn/number-to-words

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Last Updated: 2023-09-16 15:35:21

#number-transformer #currency-transformer #number-to-words #number #string

Number to string standalone PHP library with i18n. Drivers for numbers and currency included.

License: MIT License

Languages: PHP, Makefile

PHP Number to words converter

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This library converts numbers to their word representation (123 -> one hundred twenty three).

Installation

Add package to your composer.json by running:

$ composer require kwn/number-to-words

Usage

There are two types of number-to-words transformation: number and currency. In order to use a relevant transformer for specific language create an instance of NumberToWords class and call a method that creates a new instance of the desired transformer;

Number Transformer

Create a transformer for specific language using the getNumberTransformer('lang') method:

use NumberToWords\NumberToWords;

// create the number to words "manager" class
$numberToWords = new NumberToWords();

// build a new number transformer using the RFC 3066 language identifier
$numberTransformer = $numberToWords->getNumberTransformer('en');

Transformer can be used by passing in numeric values to the toWords() method:

$numberTransformer->toWords(5120); // outputs "five thousand one hundred twenty"

It can be also used with a static method:

NumberToWords::transformNumber('en', 5120); // outputs "five thousand one hundred twenty"

Currency Transformer

Creating a currency transformer works just like a number transformer.

use NumberToWords\NumberToWords;

// create the number to words "manager" class
$numberToWords = new NumberToWords();

// build a new currency transformer using the RFC 3066 language identifier
$currencyTransformer = $numberToWords->getCurrencyTransformer('en');

Then it can be used passing in numeric values for amount and ISO 4217 currency identifier to the toWords() method:

$currencyTransformer->toWords(5099, 'USD'); // outputs "fifty dollars ninety nine cents"

It can be also used with a static method:

NumberToWords::transformCurrency('en', 5099, 'USD'); // outputs "fifty dollars ninety nine cents"

Please keep in mind, the currency transformer accepts integers as the amount to transform. It means that if you store amounts as floats (e.g. 4.99) you need to multiply them by 100 and pass the integer (499) as an argument.

Available locale

Language Identifier Number Currency
Albanian al + +
Arabic ar + +
Azerbaijani az + +
Belgian French fr_BE + -
Brazilian Portuguese pt_BR + +
Bulgarian bg + -
Czech cs + -
Danish dk + +
Dutch nl + -
English en + +
Estonian et + -
Georgian ka + +
German de + +
French fr + +
Hungarian hu + +
Indonesian id + +
Italian it + -
Kurdish ku + -
Lithuanian lt + +
Latvian lv + +
Macedonian mk + -
Malay ms + +
Persian fa + -
Polish pl + +
Romanian ro + +
Serbian sr + +
Slovak sk + +
Spanish es + +
Russian ru + +
Swedish sv + -
Turkish tr + +
Turkmen tk + +
Ukrainian ua + +
Yoruba yo + +

Contributors

Many transformers were ported from the pear/Numbers_Words library. Some of them were created from scratch by contributors. Thank you!

Version 2.x - BC and major changes

  • Dropped support for PHP <7.4.
  • Added typehints for NumberTransformer and CurrencyTransformer interfaces. Now both accept integer numbers only (Albanian language might be affected).
  • Added support for PSR12.

Questions and answers

Q: I found a bug. What should I do?

A: Please report an issue on GitHub. Feel free to fix it and open a pull request. I don't know most of those languages that the library supports, so your help and contribution would be much appreciated. Thanks!

Q: My language is missing. Could it be added?

A: Unfortunately, there's a high chance I don't know your language. Feel free to implement the missing transformer and open a pull request. You can take a look at the existing transformers, and follow the same pattern as other languages do.

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