307 lines
9.9 KiB
PHP
307 lines
9.9 KiB
PHP
<?php
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/**
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* Generates the json files stored in resources/country.
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*/
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set_time_limit(0);
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date_default_timezone_set('UTC');
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include __DIR__ . '/../vendor/autoload.php';
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$localeDirectory = __DIR__ . '/assets/cldr/cldr-json/cldr-localenames-modern/main/';
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$enCountries = $localeDirectory . 'en/territories.json';
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$codeMappings = __DIR__ . '/assets/cldr/cldr-json/cldr-core/supplemental/codeMappings.json';
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$currencyData = __DIR__ . '/assets/cldr/cldr-json/cldr-core/supplemental/currencyData.json';
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if (!file_exists($enCountries)) {
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die("The $enCountries file was not found");
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}
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if (!file_exists($codeMappings)) {
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die("The $codeMappings file was not found");
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}
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if (!file_exists($currencyData)) {
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die("The $currencyData file was not found");
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}
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if (!function_exists('collator_create')) {
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// Reimplementing intl's collator would be a huge undertaking, so we
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// use it instead to presort the generated locale specific data.
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die('The intl extension was not found.');
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}
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if (!is_dir($localeDirectory)) {
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die("The $localeDirectory directory was not found");
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}
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$codeMappings = json_decode(file_get_contents($codeMappings), true);
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$codeMappings = $codeMappings['supplemental']['codeMappings'];
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$currencyData = json_decode(file_get_contents($currencyData), true);
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$currencyData = $currencyData['supplemental']['currencyData'];
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$englishData = json_decode(file_get_contents($enCountries), true);
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$englishData = $englishData['main']['en']['localeDisplayNames']['territories'];
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$baseData = generate_base_data($englishData, $codeMappings, $currencyData);
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$localizations = generate_localizations($baseData, $englishData);
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$localizations = filter_duplicate_localizations($localizations);
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// Make sure we're starting from a clean slate.
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if (is_dir(__DIR__ . '/country')) {
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die('The country/ directory must not exist.');
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}
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// Prepare the filesystem.
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mkdir(__DIR__ . '/country');
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// Write out the localizations.
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foreach ($localizations as $locale => $localizedCountries) {
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$collator = collator_create($locale);
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uasort($localizedCountries, function ($a, $b) use ($collator) {
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return collator_compare($collator, $a, $b);
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});
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file_put_json(__DIR__ . '/country/' . $locale . '.json', $localizedCountries);
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}
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$availableLocales = array_keys($localizations);
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sort($availableLocales);
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// Base country definitions and available locales are stored
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// in PHP, then manually transferred to CountryRepository.
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$data = "<?php\n\n";
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$data .= export_locales($availableLocales);
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$data .= export_base_data($baseData);
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file_put_contents(__DIR__ . '/country_data.php', $data);
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echo "Done.\n";
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/**
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* Converts the provided data into json and writes it to the disk.
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*/
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function file_put_json($filename, $data)
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{
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$data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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// Indenting with tabs instead of 4 spaces gives us 20% smaller files.
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$data = str_replace(' ', "\t", $data);
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file_put_contents($filename, $data);
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}
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/**
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* Exports base data.
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*/
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function export_base_data($baseData)
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{
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$export = '$baseData = [' . "\n";
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foreach ($baseData as $countryCode => $countryData) {
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$threeLetterCode = 'null';
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if (isset($countryData['three_letter_code'])) {
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$threeLetterCode = "'" . $countryData['three_letter_code'] . "'";
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}
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$numericCode = 'null';
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if (isset($countryData['numeric_code'])) {
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$numericCode = "'" . $countryData['numeric_code'] . "'";
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}
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$currencyCode = 'null';
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if (isset($countryData['currency_code'])) {
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$currencyCode = "'" . $countryData['currency_code'] . "'";
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}
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$export .= " '" . $countryCode . "' => [";
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$export .= $threeLetterCode . ", " . $numericCode . ', ' . $currencyCode;
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$export .= "],\n";
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}
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$export .= "];";
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return $export;
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}
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/**
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* Exports locales.
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*/
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function export_locales($data)
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{
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// Wrap the values in single quotes.
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$data = array_map(function ($value) {
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return "'" . $value . "'";
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}, $data);
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$export = '// ' . count($data) . " available locales. \n";
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$export .= '$locales = [' . "\n";
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$export .= ' ' . implode(', ', $data) . "\n";
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$export .= "];\n\n";
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return $export;
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}
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/**
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* Generates the base data.
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*/
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function generate_base_data(array $englishData, array $codeMappings, array $currencyData) {
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$ignoredCountries = [
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'AN', // Netherlands Antilles, no longer exists.
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'EU', 'QO', // European Union, Outlying Oceania. Not countries.
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'XA', 'XB',
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'ZZ', // Unknown region
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];
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$baseData = [];
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foreach ($englishData as $countryCode => $countryName) {
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if (is_numeric($countryCode) || in_array($countryCode, $ignoredCountries)) {
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// Ignore continents, regions, uninhabited islands.
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continue;
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}
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if (strpos($countryCode, '-alt-') !== false) {
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// Ignore alternative names.
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continue;
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}
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// Countries are not guaranteed to have an alpha3 and/or numeric code.
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if (isset($codeMappings[$countryCode]['_alpha3'])) {
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$baseData[$countryCode]['three_letter_code'] = $codeMappings[$countryCode]['_alpha3'];
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}
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if (isset($codeMappings[$countryCode]['_numeric'])) {
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$baseData[$countryCode]['numeric_code'] = $codeMappings[$countryCode]['_numeric'];
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}
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// Determine the current currency for this country.
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if (isset($currencyData['region'][$countryCode])) {
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$currencies = prepare_currencies($currencyData['region'][$countryCode]);
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if ($currencies) {
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$currencyCodes = array_keys($currencies);
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$currentCurrency = end($currencyCodes);
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$baseData[$countryCode]['currency_code'] = $currentCurrency;
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}
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}
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}
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ksort($baseData);
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return $baseData;
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}
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/**
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* Generates the localizations.
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*/
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function generate_localizations(array $baseData, array $englishData) {
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global $localeDirectory;
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$localizations = [];
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foreach (discover_locales() as $locale) {
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$data = json_decode(file_get_contents($localeDirectory . $locale . '/territories.json'), true);
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$data = $data['main'][$locale]['localeDisplayNames']['territories'];
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foreach ($data as $countryCode => $countryName) {
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if (isset($baseData[$countryCode])) {
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// This country name is untranslated, use the english version.
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if ($countryCode == str_replace('_', '-', $countryName)) {
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$countryName = $englishData[$countryCode];
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}
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$localizations[$locale][$countryCode] = $countryName;
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}
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}
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}
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return $localizations;
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}
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/**
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* Filters out duplicate localizations (same as their parent locale).
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*
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* For example, "fr-FR" will be removed if "fr" has the same data.
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*/
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function filter_duplicate_localizations(array $localizations) {
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$duplicates = [];
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foreach ($localizations as $locale => $localizedCountries) {
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if ($parentLocale = \CommerceGuys\Addressing\Locale::getParent($locale)) {
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$parentCountries = isset($localizations[$parentLocale]) ? $localizations[$parentLocale] : [];
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$diff = array_udiff($localizedCountries, $parentCountries, function ($first, $second) {
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return ($first == $second) ? 0 : 1;
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});
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if (empty($diff)) {
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// The duplicates are not removed right away because they might
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// still be needed for other duplicate checks (for example,
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// when there are locales like bs-Latn-BA, bs-Latn, bs).
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$duplicates[] = $locale;
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}
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}
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}
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foreach ($duplicates as $locale) {
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unset($localizations[$locale]);
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}
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return $localizations;
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}
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/**
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* Creates a list of available locales.
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*/
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function discover_locales() {
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global $localeDirectory;
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// Locales listed without a "-" match all variants.
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// Locales listed with a "-" match only those exact ones.
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$ignoredLocales = [
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// English is our fallback, we don't need another.
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"und",
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// Esperanto, Interlingua, Volapuk are made up languages.
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"eo", "ia", "vo",
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// Belarus (Classical orthography), Church Slavic, Manx, Prussian are historical.
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"be-tarask", "cu", "gv", "prg",
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// Valencian differs from its parent only by a single character (è/é).
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"ca-ES-valencia",
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// Infrequently used locales.
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"jv", "kn", "row",
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];
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// Gather available locales.
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$locales = [];
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if ($handle = opendir($localeDirectory)) {
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while (false !== ($entry = readdir($handle))) {
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if (substr($entry, 0, 1) != '.') {
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$entryParts = explode('-', $entry);
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if (!in_array($entry, $ignoredLocales) && !in_array($entryParts[0], $ignoredLocales)) {
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$locales[] = $entry;
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}
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}
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}
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closedir($handle);
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}
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return $locales;
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}
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/**
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* Prepares the currencies for a specific country.
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*/
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function prepare_currencies($currencies)
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{
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if (empty($currencies)) {
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return [];
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}
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// Rekey the array by currency code.
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foreach ($currencies as $index => $realCurrencies) {
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foreach ($realCurrencies as $currencyCode => $currency) {
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$currencies[$currencyCode] = $currency;
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}
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unset($currencies[$index]);
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}
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// Remove non-tender currencies.
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$currencies = array_filter($currencies, function ($currency) {
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return !isset($currency['_tender']) || $currency['_tender'] != 'false';
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});
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// Sort by _from date.
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uasort($currencies, 'compare_from_dates');
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return $currencies;
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}
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/**
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* uasort callback for comparing arrays using their "_from" dates.
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*/
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function compare_from_dates($a, $b)
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{
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$a = new DateTime($a['_from']);
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$b = new DateTime($b['_from']);
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// DateTime overloads the comparison providers.
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if ($a == $b) {
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return 0;
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}
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return ($a < $b) ? -1 : 1;
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}
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