⬆️ Update intl library.

Update intl library from v0.4? (2014) to v0.7.4 (2016).
Use global composer autoloader now.

vendor/commerceguys/intl/scripts/country/generate.php

@@ -0,0 +1,216 @@
+<?php
+
+/**
+ * Generates the json files stored in resources/country.
+ */
+set_time_limit(0);
+
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+$enCountries = $localeDirectory . 'en/territories.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-core.git
+$codeMappings = '../assets/cldr-core/supplemental/codeMappings.json';
+$currencyData = '../assets/cldr-core/supplemental/currencyData.json';
+if (!file_exists($enCountries)) {
+    die("The $enCountries file was not found");
+}
+if (!file_exists($codeMappings)) {
+    die("The $codeMappings file was not found");
+}
+if (!file_exists($currencyData)) {
+    die("The $currencyData file was not found");
+}
+if (!function_exists('collator_create')) {
+    // Reimplementing intl's collator would be a huge undertaking, so we
+    // use it instead to presort the generated locale specific data.
+    die('The intl extension was not found.');
+}
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+
+$ignoredCountries = [
+    'AN', // Netherlands Antilles, no longer exists.
+    'BV', 'HM', 'CP', // Uninhabited islands.
+    'EU', 'QO', // European Union, Outlying Oceania. Not countries.
+    'ZZ', // Unknown region
+];
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$ignoredLocales = [
+    // Interlingua is a made up language.
+    'ia',
+    // Valencian differs from its parent only by a single character (è/é).
+    'ca-ES-VALENCIA',
+    // Special "grouping" locales.
+    'root', 'en-US-POSIX', 'en-001', 'en-150', 'es-419',
+];
+
+// Assemble the base data. Use the "en" data to get a list of countries.
+$codeMappings = json_decode(file_get_contents($codeMappings), true);
+$codeMappings = $codeMappings['supplemental']['codeMappings'];
+$currencyData = json_decode(file_get_contents($currencyData), true);
+$currencyData = $currencyData['supplemental']['currencyData'];
+$countryData = json_decode(file_get_contents($enCountries), true);
+$countryData = $countryData['main']['en']['localeDisplayNames']['territories'];
+$baseData = [];
+foreach ($countryData as $countryCode => $countryName) {
+    if (is_numeric($countryCode) || in_array($countryCode, $ignoredCountries)) {
+        // Ignore continents, regions, uninhabited islands.
+        continue;
+    }
+    if (strpos($countryCode, '-alt-') !== false) {
+        // Ignore alternative names.
+        continue;
+    }
+
+    // Countries are not guaranteed to have an alpha3 and/or numeric code.
+    if (isset($codeMappings[$countryCode]['_alpha3'])) {
+        $baseData[$countryCode]['three_letter_code'] = $codeMappings[$countryCode]['_alpha3'];
+    }
+    if (isset($codeMappings[$countryCode]['_numeric'])) {
+        $baseData[$countryCode]['numeric_code'] = $codeMappings[$countryCode]['_numeric'];
+    }
+
+    // Determine the current currency for this country.
+    if (isset($currencyData['region'][$countryCode])) {
+        $currencies = prepare_currencies($currencyData['region'][$countryCode]);
+        if ($currencies) {
+            $currentCurrency = end(array_keys($currencies));
+            $baseData[$countryCode]['currency_code'] = $currentCurrency;
+        }
+    }
+}
+
+// Write out base.json.
+ksort($baseData);
+file_put_json('base.json', $baseData);
+
+// Gather available locales.
+$locales = [];
+if ($handle = opendir($localeDirectory)) {
+    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.
+$countries = [];
+$untranslatedCounts = [];
+foreach ($locales as $locale) {
+    $data = json_decode(file_get_contents($localeDirectory . $locale . '/territories.json'), true);
+    $data = $data['main'][$locale]['localeDisplayNames']['territories'];
+    foreach ($data as $countryCode => $countryName) {
+        if (isset($baseData[$countryCode])) {
+            // This country name is untranslated, use the english version.
+            if ($countryCode == str_replace('_', '-', $countryName)) {
+                $countryName = $countryData[$countryCode];
+                // Maintain a count of untranslated countries per locale.
+                $untranslatedCounts += [$locale => 0];
+                $untranslatedCounts[$locale]++;
+            }
+
+            $countries[$locale][$countryCode] = [
+                'name' => $countryName,
+            ];
+        }
+    }
+}
+
+// Ignore locales that are more than 80% untranslated.
+foreach ($untranslatedCounts as $locale => $count) {
+    $totalCount = count($countries[$locale]);
+    $untranslatedPercentage = $count * (100 / $totalCount);
+    if ($untranslatedPercentage >= 80) {
+        unset($countries[$locale]);
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($countries as $locale => $localizedCountries) {
+    if (strpos($locale, '-') !== false) {
+        $localeParts = explode('-', $locale);
+        array_pop($localeParts);
+        $parentLocale = implode('-', $localeParts);
+        $diff = array_udiff($localizedCountries, $countries[$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 $locale) {
+    unset($countries[$locale]);
+}
+
+// Write out the localizations.
+foreach ($countries as $locale => $localizedCountries) {
+    $collator = collator_create($locale);
+    uasort($localizedCountries, function ($a, $b) use ($collator) {
+        return collator_compare($collator, $a['name'], $b['name']);
+    });
+    file_put_json($locale . '.json', $localizedCountries);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($filename, $data)
+{
+    $data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+    // Indenting with tabs instead of 4 spaces gives us 20% smaller files.
+    $data = str_replace('    ', "\t", $data);
+    file_put_contents($filename, $data);
+}
+
+/**
+ * Prepares the currencies for a specific country.
+ */
+function prepare_currencies($currencies) {
+    if (empty($currencies)) {
+        return [];
+    }
+    // Rekey the array by currency code.
+    foreach ($currencies as $index => $realCurrencies) {
+        foreach ($realCurrencies as $currencyCode => $currency) {
+            $currencies[$currencyCode] = $currency;
+        }
+        unset($currencies[$index]);
+    }
+    // Remove non-tender currencies.
+    $currencies = array_filter($currencies, function ($currency) {
+        return !isset($currency['_tender']) || $currency['_tender'] != 'false';
+    });
+    // Sort by _from date.
+    uasort($currencies, 'compare_from_dates');
+
+    return $currencies;
+}
+
+/**
+ * uasort callback for comparing arrays using their "_from" dates.
+ */
+function compare_from_dates($a, $b) {
+    $a = new DateTime($a['_from']);
+    $b = new DateTime($b['_from']);
+    // DateTime overloads the comparison providers.
+    if ($a == $b) {
+        return 0;
+    }
+    return ($a < $b) ? -1 : 1;
+}

vendor/commerceguys/intl/scripts/currency/generate.php

@@ -0,0 +1,192 @@
+<?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
+$isoCurrencies = '../assets/c2.xml';
+// Downloaded from https://github.com/unicode-cldr/cldr-numbers-full.git
+$numbersDirectory = '../assets/cldr-numbers-full/main/';
+$cldrCurrencies = $numbersDirectory . 'en/currencies.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-core.git
+$currencyData = '../assets/cldr-core/supplemental/currencyData.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+if (!file_exists($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 $currencyData file was not found");
+}
+if (!function_exists('collator_create')) {
+    // Reimplementing intl's collator would be a huge undertaking, so we
+    // use it instead to presort the generated locale specific data.
+    die('The intl extension was not found.');
+}
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+if (!is_dir($numbersDirectory)) {
+    die("The $numbersDirectory directory was not found");
+}
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$ignoredLocales = [
+    // Interlingua is a made up language.
+    'ia',
+    // Valencian differs from its parent only by a single character (è/é).
+    'ca-ES-VALENCIA',
+    // Special "grouping" locales.
+    'root', 'en-US-POSIX', 'en-001', 'en-150', 'es-419',
+];
+
+// Assemble the base data.
+$baseData = [];
+$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'], ['XUA', 'XSU', 'XDR'])) {
+        // Ignore special currencies.
+        continue;
+    }
+
+    $currencyCode = $currency['Ccy'];
+    $baseData[$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);
+file_put_json('base.json', $baseData);
+
+// Gather available locales.
+$locales = [];
+if ($handle = opendir($localeDirectory)) {
+    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);
+}
+
+// Make sure 'en' is processed first so that it can be used as a fallback.
+$index = array_search('en', $locales);
+unset($locales[$index]);
+array_unshift($locales, 'en');
+
+// Create the localizations.
+$currencies = [];
+$untranslatedCounts = [];
+foreach ($locales as $locale) {
+    $data = json_decode(file_get_contents($numbersDirectory . $locale . '/currencies.json'), true);
+    $data = $data['main'][$locale]['numbers']['currencies'];
+    foreach ($data as $currencyCode => $currency) {
+        if (isset($baseData[$currencyCode])) {
+            $currencyName = $currency['displayName'];
+            // This currency name is untranslated, use the english version.
+            if ($currencyCode == $currencyName) {
+                $currencyName = $currencies['en'][$currencyCode]['name'];
+                // Maintain a count of untranslated currencies per locale.
+                $untranslatedCounts += [$locale => 0];
+                $untranslatedCounts[$locale]++;
+            }
+
+            $currencies[$locale][$currencyCode] = [
+                'name' => $currencyName,
+            ];
+            // Decrease the dataset size by exporting the symbol only if it's
+            // different from the currency code.
+            if ($currency['symbol'] != $currencyCode) {
+                $currencies[$locale][$currencyCode]['symbol'] = $currency['symbol'];
+            }
+        }
+    }
+}
+
+// Ignore locales that are more than 80% untranslated.
+foreach ($untranslatedCounts as $locale => $count) {
+    $totalCount = count($currencies[$locale]);
+    $untranslatedPercentage = $count * (100 / $totalCount);
+    if ($untranslatedPercentage >= 80) {
+        unset($currencies[$locale]);
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($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'], $b['name']);
+    });
+    file_put_json($locale . '.json', $localizedCurrencies);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($filename, $data)
+{
+    $data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+    // Indenting with tabs instead of 4 spaces gives us 20% smaller files.
+    $data = str_replace('    ', "\t", $data);
+    file_put_contents($filename, $data);
+}

vendor/commerceguys/intl/scripts/fetch_data.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+URL="http://www.currency-iso.org/dam/downloads/lists/list_one.xml"
+
+rm -fR assets
+mkdir assets
+cd assets
+
+git clone https://github.com/unicode-cldr/cldr-core.git
+git clone https://github.com/unicode-cldr/cldr-numbers-full.git
+git clone https://github.com/unicode-cldr/cldr-localenames-full.git
+
+if command -v wget >/dev/null 2>&1;
+then
+    wget $URL -O c2.xml
+else 
+    if command -v curl >/dev/null 2>&1;
+    then
+        curl $URL > c2.xml
+    else
+        echo "I require wget or curl but it's not installed.  Aborting."
+        exit 1
+    fi
+fi

vendor/commerceguys/intl/scripts/language/generate.php

@@ -0,0 +1,148 @@
+<?php
+
+/**
+ * Generates the json files stored in resources/language.
+ *
+ * CLDR lists about 515 languages, many of them dead (like Latin or Old English).
+ * In order to decrease the list to a reasonable size, only the languages
+ * for which CLDR itself has translations are listed.
+ */
+set_time_limit(0);
+
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+$enLanguages = $localeDirectory . 'en/languages.json';
+
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+if (!file_exists($enLanguages)) {
+    die("The $enLanguages file was not found");
+}
+if (!function_exists('collator_create')) {
+    // Reimplementing intl's collator would be a huge undertaking, so we
+    // use it instead to presort the generated locale specific data.
+    die('The intl extension was not found.');
+}
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$ignoredLocales = [
+    // Interlingua is a made up language.
+    'ia',
+    // Valencian differs from its parent only by a single character (è/é).
+    'ca-ES-VALENCIA',
+    // Special "grouping" locales.
+    'root', 'en-US-POSIX', 'en-001', 'en-150', 'es-419',
+];
+
+$languages = [];
+// Load the "en" data first so that it can be used as a fallback for
+// untranslated language names in other locales.
+$languageData = json_decode(file_get_contents($enLanguages), true);
+$languageData = $languageData['main']['en']['localeDisplayNames']['languages'];
+foreach ($languageData as $languageCode => $languageName) {
+    if (strpos($languageCode, '-alt-') === false) {
+        $languages['en'][$languageCode] = [
+            'name' => $languageName,
+        ];
+    }
+}
+
+// Gather available locales.
+$locales = [];
+if ($handle = opendir($localeDirectory)) {
+    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);
+}
+
+// Remove all languages that aren't an available locale at the same time.
+// This reduces the language list from about 515 to about 185 languages.
+foreach ($languages['en'] as $languageCode => $languageData) {
+    if (!in_array($languageCode, $locales)) {
+        unset($languages['en'][$languageCode]);
+    }
+}
+
+// Load the localizations.
+$untranslatedCounts = [];
+foreach ($locales as $locale) {
+    $data = json_decode(file_get_contents($localeDirectory . $locale . '/languages.json'), true);
+    $data = $data['main'][$locale]['localeDisplayNames']['languages'];
+    foreach ($data as $languageCode => $languageName) {
+        if (isset($languages['en'][$languageCode])) {
+            // This language name is untranslated, use to the english version.
+            if ($languageCode == str_replace('_', '-', $languageName)) {
+                $languageName = $languages['en'][$languageCode]['name'];
+                // Maintain a count of untranslated languages per locale.
+                $untranslatedCounts += [$locale => 0];
+                $untranslatedCounts[$locale]++;
+            }
+
+            $languages[$locale][$languageCode] = [
+                'name' => $languageName,
+            ];
+        }
+    }
+}
+
+// Ignore locales that are more than 80% untranslated.
+foreach ($untranslatedCounts as $locale => $count) {
+    $totalCount = count($languages[$locale]);
+    $untranslatedPercentage = $count * (100 / $totalCount);
+    if ($untranslatedPercentage >= 80) {
+        unset($languages[$locale]);
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($languages as $locale => $localizedLanguages) {
+    if (strpos($locale, '-') !== false) {
+        $localeParts = explode('-', $locale);
+        array_pop($localeParts);
+        $parentLocale = implode('-', $localeParts);
+        $diff = array_udiff($localizedLanguages, $languages[$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 $locale) {
+    unset($languages[$locale]);
+}
+
+// Write out the localizations.
+foreach ($languages as $locale => $localizedLanguages) {
+    $collator = collator_create($locale);
+    uasort($localizedLanguages, function ($a, $b) use ($collator) {
+        return collator_compare($collator, $a['name'], $b['name']);
+    });
+    file_put_json($locale . '.json', $localizedLanguages);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($filename, $data)
+{
+    $data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+    // Indenting with tabs instead of 4 spaces gives us 20% smaller files.
+    $data = str_replace('    ', "\t", $data);
+    file_put_contents($filename, $data);
+}

vendor/commerceguys/intl/scripts/number_format/generate.php

@@ -0,0 +1,132 @@
+<?php
+
+/**
+ * Generates the json files stored in resources/number_format.
+ */
+set_time_limit(0);
+
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+$enLanguages = $localeDirectory . 'en/languages.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-numbers-full.git
+$numbersDirectory = '../assets/cldr-numbers-full/main/';
+
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+if (!is_dir($numbersDirectory)) {
+    die("The $numbersDirectory directory was not found");
+}
+if (!file_exists($enLanguages)) {
+    die("The $enLanguages file was not found");
+}
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$ignoredLocales = [
+    // Interlingua is a made up language.
+    'ia',
+    // Ignored by other generation scripts, very minor locales.
+    'as', 'asa', 'bem', 'chr', 'dav', 'dua', 'ebu', 'ewo', 'guz', 'gv', 'ii',
+    'jgo', 'jmc', 'kam', 'kde', 'ki', 'kkj', 'kl', 'kln', 'ksb', 'kw', 'lag',
+    'ln', 'mer', 'mgo', 'nd', 'nmg', 'nnh', 'nus', 'os', 'ps', 'rwk', 'sah',
+    'saq', 'sbp', 'shi', 'sn', 'teo', 'vai', 'vun', 'xog', 'zgh',
+    // Special "grouping" locales.
+    'root', 'en-US-POSIX', 'en-001', 'en-150', 'es-419',
+];
+
+// Gather available locales.
+$locales = [];
+if ($handle = opendir($localeDirectory)) {
+    while (false !== ($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);
+}
+
+// Load the data.
+$numberFormats = [];
+foreach ($locales as $locale) {
+    $data = json_decode(file_get_contents($numbersDirectory . $locale . '/numbers.json'), true);
+    $data = $data['main'][$locale]['numbers'];
+    // Use the default numbering system, if it's supported.
+    if (in_array($data['defaultNumberingSystem'], ['arab', 'arabext', 'beng', 'deva', 'latn'])) {
+        $numberingSystem = $data['defaultNumberingSystem'];
+    } else {
+        $numberingSystem = 'latn';
+    }
+
+    $numberFormats[$locale] = [
+        'numbering_system' => $numberingSystem,
+        'decimal_pattern' => $data['decimalFormats-numberSystem-' . $numberingSystem]['standard'],
+        'percent_pattern' => $data['percentFormats-numberSystem-' . $numberingSystem]['standard'],
+        'currency_pattern' => $data['currencyFormats-numberSystem-' . $numberingSystem]['standard'],
+        'accounting_currency_pattern' => $data['currencyFormats-numberSystem-' . $numberingSystem]['accounting'],
+    ];
+
+    // Add the symbols only if they're different from the default data.
+    $decimalSeparator = $data['symbols-numberSystem-' . $numberingSystem]['decimal'];
+    $groupingSeparator = $data['symbols-numberSystem-' . $numberingSystem]['group'];
+    $plusSign = $data['symbols-numberSystem-' . $numberingSystem]['plusSign'];
+    $minusSign = $data['symbols-numberSystem-' . $numberingSystem]['minusSign'];
+    $percentSign = $data['symbols-numberSystem-' . $numberingSystem]['percentSign'];
+    if ($decimalSeparator != '.') {
+        $numberFormats[$locale]['decimal_separator'] = $decimalSeparator;
+    }
+    if ($groupingSeparator != ',') {
+        $numberFormats[$locale]['grouping_separator'] = $groupingSeparator;
+    }
+    if ($plusSign != '+') {
+        $numberFormats[$locale]['plus_sign'] = $plusSign;
+    }
+    if ($minusSign != '-') {
+        $numberFormats[$locale]['minus_sign'] = $minusSign;
+    }
+    if ($percentSign != '%') {
+        $numberFormats[$locale]['percent_sign'] = $percentSign;
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($numberFormats as $locale => $formatData) {
+    if (strpos($locale, '-') !== false) {
+        $localeParts = explode('-', $locale);
+        array_pop($localeParts);
+        $parentLocale = implode('-', $localeParts);
+        $diff = array_diff_assoc($formatData, $numberFormats[$parentLocale]);
+
+        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 $locale) {
+    unset($numberFormats[$locale]);
+}
+
+// Write out the data.
+foreach ($numberFormats as $locale => $numberFormat) {
+    file_put_json($locale . '.json', $numberFormat);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($filename, $data)
+{
+    $data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+    // Indenting with tabs instead of 4 spaces gives us 20% smaller files.
+    $data = str_replace('    ', "\t", $data);
+    file_put_contents($filename, $data);
+}