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+intl
+=====
+
+[![Build Status](https://travis-ci.org/commerceguys/intl.svg?branch=master)](https://travis-ci.org/commerceguys/intl)
+
+A PHP 5.4+ internationalization library, powered by CLDR data.
+
+Features:
+- NumberFormatter, inspired by [intl](http://php.net/manual/en/class.numberformatter.php).
+- 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](https://drupalcommerce.org/blog/15916/commerce-2x-stories-internationalization).
+
+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.
+
+```php
+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', $currency); // 1230.99
+```
+
+Currencies
+----------
+```php
+use CommerceGuys\Intl\Currency\CurrencyRepository;
+
+// Reads the currency definitions from resources/currency.
+$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 = $currencyRepository->getAll();
+```
+
+Countries
+---------
+```php
+use CommerceGuys\Intl\Country\CountryRepository;
+
+// Reads the country definitions from resources/country.
+$countryRepository = new CountryRepository;
+
+// Get the US country using the default locale (en).
+$country = $countryRepository->get('US');
+echo $country->getCountryCode(); // US
+echo $country->getTelephoneCode(); // 1
+echo $country->getName(); // United States
+
+// Get the US country using the fr-FR locale.
+$country = $countryRepository->get('US', 'fr-FR');
+echo $country->getName(); // États-Unis
+
+$allCountries = $countryRepository->getAll();
+```
+
+Languages
+---------
+```php
+use CommerceGuys\Intl\Language\LanguageRepository;
+
+// Reads the language definitions from resources/language.
+$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();
+```
+
+Implementing the library
+------------------------
+While the library can be used as-is, most applications will want to store the
+relevant definitions (currencies, countries, etc) in the database.
+This allows for better performance while giving users the ability to modify and
+expand the data.
+
+Taking currencies as an example, a merchant frequently wants to be able to:
+
+- Define custom currencies.
+- Enable/disable existing currencies
+- Modify an existing currency (changing the default number of fraction digits, for example).
+
+This would be accomplished by using the CurrencyRepository to get all default currencies and
+insert them into the database. The doctrine entity (or any similar data object) would then implement
+the CurrencyInterface so that the NumberFormatter can continue to work.
+
+Related projects
+----------------
+[commerceguys/pricing](http://github.com/commerceguys/pricing) provides a Price object.