<?php /** * Generates the json files stored in resources/currency. * * The ISO currency list is used as a base, since it doesn't contain * deprecated currencies, unlike CLDR (v25 has 139 deprecated entries). */ set_time_limit(0); // Downloaded from http://www.currency-iso.org/en/home/tables/table-a1.html $isoCurrencies = '../c2.xml'; // Downloaded from http://unicode.org/Public/cldr/26/json-full.zip $cldrCurrencies = '../json-full/main/en-US/currencies.json'; $currencyData = '../json-full/supplemental/currencyData.json'; if (!file_exists($isoCurrencies)) { die("The $isoCurrencies file was not found"); } if (!file_exists($cldrCurrencies)) { die("The $cldrCurrencies file was not found"); } if (!file_exists($currencyData)) { die("The $currencyData file was not found"); } if (!function_exists('collator_create')) { // Reimplementing intl's collator would be a huge undertaking, so we // use it instead to presort the generated locale specific data. die('The intl extension was not found.'); } // Locales listed without a "-" match all variants. // Locales listed with a "-" match only those exact ones. $ignoredLocales = array( // Interlingua is a made up language. 'ia', // Valencian differs from its parent only by a single character (è/é). 'ca-ES-VALENCIA', // Those locales are 90% untranslated. 'aa', 'as', 'az-Cyrl', 'az-Cyrl-AZ', 'bem', 'dua', 'gv', 'haw', 'ig', 'ii', 'kkj', 'kok', 'kw', 'lkt', 'mgo', 'nnh', 'nr', 'nso', 'om', 'os', 'pa-Arab', 'pa-Arab-PK', 'qu', 'rw', 'sah', 'smn', 'ss', 'ssy', 'st', 'tg', 'tn', 'ts', 'uz-Arab', 'uz-Arab-AF', 've', 'vo', 'xh', 'yi', // Special "grouping" locales. 'root', 'en-US-POSIX', 'en-001', 'en-150', 'es-419', ); // Assemble the base data. $baseData = array(); $currencyData = json_decode(file_get_contents($currencyData), true); $currencyData = $currencyData['supplemental']['currencyData']['fractions']; $isoData = simplexml_load_file($isoCurrencies); foreach ($isoData->CcyTbl->CcyNtry as $currency) { $attributes = (array) $currency->CcyNm->attributes(); if (!empty($attributes) && !empty($attributes['@attributes']['IsFund'])) { // Ignore funds. continue; } $currency = (array) $currency; if (empty($currency['Ccy'])) { // Ignore placeholders like "Antarctica". continue; } if (substr($currency['CtryNm'], 0, 2) == 'ZZ' || in_array($currency['Ccy'], array('XUA', 'XSU', 'XDR'))) { // Ignore special currencies. continue; } $currencyCode = $currency['Ccy']; $baseData[$currencyCode] = array( 'code' => $currencyCode, 'numeric_code' => $currency['CcyNbr'], ); // Take the fraction digits from CLDR, not ISO, because it reflects real // life usage more closely. If the digits aren't set, that means that the // default value (2) should be used. if (isset($currencyData[$currencyCode]['_digits'])) { $fractionDigits = $currencyData[$currencyCode]['_digits']; if ($fractionDigits != 2) { $baseData[$currencyCode]['fraction_digits'] = $fractionDigits; } } } // Write out base.json. ksort($baseData); $json = json_encode($baseData, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE); file_put_contents('base.json', $json); // Gather available locales. $locales = array(); if ($handle = opendir('../json-full/main')) { while (false !== ($entry = readdir($handle))) { if (substr($entry, 0, 1) != '.') { $entryParts = explode('-', $entry); if (!in_array($entry, $ignoredLocales) && !in_array($entryParts[0], $ignoredLocales)) { $locales[] = $entry; } } } closedir($handle); } // Create the localizations. $currencies = array(); foreach ($locales as $locale) { $data = json_decode(file_get_contents('../json-full/main/' . $locale . '/currencies.json'), true); $data = $data['main'][$locale]['numbers']['currencies']; foreach ($data as $currencyCode => $currency) { if (isset($baseData[$currencyCode])) { $currencies[$locale][$currencyCode] = array( 'name' => $currency['displayName'], 'symbol' => $currency['symbol'], ); } } } // Identify localizations that are the same as the ones for the parent locale. // For example, "fr-FR" if "fr" has the same data. $duplicates = array(); foreach ($currencies as $locale => $localizedCurrencies) { if (strpos($locale, '-') !== FALSE) { $localeParts = explode('-', $locale); array_pop($localeParts); $parentLocale = implode('-', $localeParts); $diff = array_udiff($localizedCurrencies, $currencies[$parentLocale], function ($first, $second) { return ($first['name'] == $second['name']) ? 0 : 1; }); if (empty($diff)) { // The duplicates are not removed right away because they might // still be needed for other duplicate checks (for example, // when there are locales like bs-Latn-BA, bs-Latn, bs). $duplicates[] = $locale; } } } // Remove the duplicates. foreach ($duplicates as $locale) { unset($currencies[$locale]); } // Write out the localizations. foreach ($currencies as $locale => $localizedCurrencies) { $collator = collator_create($locale); uasort($localizedCurrencies, function($a, $b) use ($collator) { return collator_compare($collator, $a['name'], $b['name']); }); $json = json_encode($localizedCurrencies, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE); file_put_contents($locale . '.json', $json); }