259 lines
7.5 KiB
PHP
259 lines
7.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Locale;
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class Locale extends \Locale
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{
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/**
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* Caches the countries in different locales
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* @var array
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*/
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protected static $countries = array();
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/**
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* Caches the languages in different locales
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* @var array
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*/
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protected static $languages = array();
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/**
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* Caches the different locales
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* @var array
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*/
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protected static $locales = array();
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/**
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* Returns the country names for a locale
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*
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* @param string $locale The locale to use for the country names
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*
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* @return array The country names with their codes as keys
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*
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getDisplayCountries($locale)
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{
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if (!isset(self::$countries[$locale])) {
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$bundle = \ResourceBundle::create($locale, __DIR__.'/Resources/data/region');
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if (null === $bundle) {
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throw new \RuntimeException(sprintf('The country resource bundle could not be loaded for locale "%s"', $locale));
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}
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$collator = new \Collator($locale);
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$countries = array();
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$bundleCountries = $bundle->get('Countries') ?: array();
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foreach ($bundleCountries as $code => $name) {
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// Global countries (f.i. "America") have numeric codes
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// Countries have alphabetic codes
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// "ZZ" is the code for unknown country
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if (ctype_alpha($code) && 'ZZ' !== $code) {
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$countries[$code] = $name;
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}
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}
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$fallbackLocale = self::getFallbackLocale($locale);
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if (null !== $fallbackLocale) {
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$countries = array_merge(self::getDisplayCountries($fallbackLocale), $countries);
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}
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$collator->asort($countries);
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self::$countries[$locale] = $countries;
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}
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return self::$countries[$locale];
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}
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/**
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* Returns all available country codes
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*
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* @return array The country codes
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getCountries()
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{
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return array_keys(self::getDisplayCountries(self::getDefault()));
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}
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/**
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* Returns the language names for a locale
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*
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* @param string $locale The locale to use for the language names
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*
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* @return array The language names with their codes as keys
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*
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getDisplayLanguages($locale)
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{
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if (!isset(self::$languages[$locale])) {
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$bundle = \ResourceBundle::create($locale, __DIR__.'/Resources/data/lang');
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if (null === $bundle) {
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throw new \RuntimeException(sprintf('The language resource bundle could not be loaded for locale "%s"', $locale));
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}
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$collator = new \Collator($locale);
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$languages = array();
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$bundleLanguages = $bundle->get('Languages') ?: array();
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foreach ($bundleLanguages as $code => $name) {
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// "mul" is the code for multiple languages
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if ('mul' !== $code) {
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$languages[$code] = $name;
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}
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}
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$fallbackLocale = self::getFallbackLocale($locale);
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if (null !== $fallbackLocale) {
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$languages = array_merge(self::getDisplayLanguages($fallbackLocale), $languages);
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}
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$collator->asort($languages);
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self::$languages[$locale] = $languages;
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}
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return self::$languages[$locale];
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}
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/**
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* Returns all available language codes
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*
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* @return array The language codes
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getLanguages()
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{
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return array_keys(self::getDisplayLanguages(self::getDefault()));
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}
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/**
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* Returns the locale names for a locale
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*
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* @param string $locale The locale to use for the locale names
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* @return array The locale names with their codes as keys
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getDisplayLocales($locale)
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{
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if (!isset(self::$locales[$locale])) {
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$bundle = \ResourceBundle::create($locale, __DIR__.'/Resources/data/names');
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if (null === $bundle) {
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throw new \RuntimeException(sprintf('The locale resource bundle could not be loaded for locale "%s"', $locale));
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}
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$collator = new \Collator($locale);
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$locales = array();
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$bundleLocales = $bundle->get('Locales') ?: array();
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foreach ($bundleLocales as $code => $name) {
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$locales[$code] = $name;
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}
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$fallbackLocale = self::getFallbackLocale($locale);
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if (null !== $fallbackLocale) {
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$locales = array_merge(self::getDisplayLocales($fallbackLocale), $locales);
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}
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$collator->asort($locales);
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self::$locales[$locale] = $locales;
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}
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return self::$locales[$locale];
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}
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/**
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* Returns all available locale codes
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*
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* @return array The locale codes
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* @throws RuntimeException When the resource bundles cannot be loaded
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*/
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public static function getLocales()
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{
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return array_keys(self::getDisplayLocales(self::getDefault()));
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}
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/**
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* Returns the ICU version
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*
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* @return string|null The ICU version
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*/
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public static function getIcuVersion()
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{
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if (defined('INTL_ICU_VERSION')) {
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return INTL_ICU_VERSION;
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}
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try {
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$reflector = new \ReflectionExtension('intl');
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} catch (\ReflectionException $e) {
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return;
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}
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ob_start();
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$reflector->info();
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$output = strip_tags(ob_get_clean());
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preg_match('/^ICU version (?:=>)?(.*)$/m', $output, $matches);
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return trim($matches[1]);
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}
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/**
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* Returns the ICU Data version
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*
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* @return string|null The ICU Data version
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*/
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public static function getIcuDataVersion()
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{
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if (defined('INTL_ICU_DATA_VERSION')) {
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return INTL_ICU_DATA_VERSION;
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}
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try {
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$reflector = new \ReflectionExtension('intl');
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} catch (\ReflectionException $e) {
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return;
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}
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ob_start();
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$reflector->info();
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$output = strip_tags(ob_get_clean());
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preg_match('/^ICU Data version (?:=>)?(.*)$/m', $output, $matches);
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return trim($matches[1]);
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}
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/**
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* Returns the fallback locale for a given locale, if any
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*
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* @param $locale The locale to find the fallback for
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* @return string|null The fallback locale, or null if no parent exists
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*/
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protected static function getFallbackLocale($locale)
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{
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if ($locale === self::getDefault()) {
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return null;
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}
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if (false === $pos = strrpos($locale, '_')) {
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return self::getDefault();
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}
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return substr($locale, 0, $pos);
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}
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}
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