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A PHP 5.5+ internationalization library, powered by CLDR data.

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intl

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A PHP 5.5+ internationalization library, powered by CLDR data.

Features:

  • NumberFormatter, inspired by intl.
  • Currencies
  • Countries
  • Languages

Coming soon: date formatting.

Why not use the intl extension?

The intl extension isn't present by default on PHP installs, requiring it can hurt software adoption. Behind the scenes the extension relies on libicu which includes the CLDR dataset, but depending on the OS/distribution used, could be several major CLDR releases behind.

Since the CLDR dataset is freely available in JSON form, it is possible to reimplement the intl functionality in pure PHP code while ensuring that the dataset is always fresh.

Having access to the CLDR dataset also makes it possible to offer additional APIs, such as listing all currencies.

More backstory can be found in this blog post.

Formatting numbers

Formats numbers (decimals, percents, currency amounts) using locale-specific rules.

This ensures that the decimal and grouping separators, the position of the currency symbol, as well as the actual symbol used match what the user is expecting.

The amounts passed for formatting should already be rounded, because the formatter doesn't do any rounding of its own.

use CommerceGuys\Intl\Currency\CurrencyRepository;
use CommerceGuys\Intl\NumberFormat\NumberFormatRepository;
use CommerceGuys\Intl\Formatter\NumberFormatter;

$currencyRepository = new CurrencyRepository;
$numberFormatRepository = new NumberFormatRepository;

$currency = $currencyRepository->get('USD');
$numberFormat = $numberFormatRepository->get('en');

$decimalFormatter = new NumberFormatter($numberFormat);
echo $decimalFormatter->format('1234.99'); // 123,456.99

$percentFormatter = new NumberFormatter($numberFormat, NumberFormatter::PERCENT);
echo $percentFormatter->format('0.75'); // 75%

$currencyFormatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
echo $currencyFormatter->formatCurrency('2.99', $currency); // $2.99

// The accounting pattern shows negative numbers differently and is used
// primarily for amounts shown on invoices.
$invoiceCurrencyFormatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY_ACCOUNTING);
echo $invoiceCurrencyFormatter->formatCurrency('-2.99', $currency); // (2.99$)

// Arabic, Arabic extended, Bengali, Devanagari digits are supported as expected.
$currency = $currencyRepository->get('USD', 'ar');
$numberFormat = $numberFormatRepository->get('ar');
$currencyFormatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
echo $currencyFormatter->formatCurrency('1230.99', $currency); // US$ ١٬٢٣٠٫٩٩

// Parse formatted values into numeric values.
echo $currencyFormatter->parseCurrency('US$ ١٬٢٣٠٫٩٩', $currency); // 1230.99

Currencies

use CommerceGuys\Intl\Currency\CurrencyRepository;

// Reads the currency definitions from resources/currency.
$currencyRepository = new CurrencyRepository;

// Get the USD currency using the default locale (en).
$currency = $currencyRepository->get('USD');
echo $currency->getCurrencyCode(); // USD
echo $currency->getNumericCode(); // 840
echo $currency->getFractionDigits(); // 2
echo $currency->getName(); // US Dollar
echo $currency->getSymbol(); // $
echo $currency->getLocale(); // en

// Get the USD currency using the fr-FR locale.
$currency = $currencyRepository->get('USD', 'fr-FR');
echo $currency->getName(); // dollar des États-Unis
echo $currency->getSymbol(); // $US
echo $currency->getLocale(); // fr-FR

$allCurrencies = $currencyRepository->getAll();

Countries

use CommerceGuys\Intl\Country\CountryRepository;

// Reads the country definitions from resources/country.
$countryRepository = new CountryRepository;

// Get the US country using the default locale (en).
$country = $countryRepository->get('US');
echo $country->getCountryCode(); // US
echo $country->getName(); // United States
echo $country->getCurrencyCode(); // USD

// Get the US country using the fr-FR locale.
$country = $countryRepository->get('US', 'fr-FR');
echo $country->getName(); // États-Unis

$allCountries = $countryRepository->getAll();

Languages

use CommerceGuys\Intl\Language\LanguageRepository;

// Reads the language definitions from resources/language.
$languageRepository = new LanguageRepository;

// Get the german language using the default locale (en).
$language = $languageRepository->get('de');
echo $language->getLanguageCode(); // de
echo $language->getName(); // German

// Get the german language using the fr-FR locale.
$language = $languageRepository->get('de', 'fr-FR');
echo $language->getName(); // allemand

$allLanguages = $languageRepository->getAll();

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