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Sampanna Rimal
398
vendor/nesbot/carbon/src/Carbon/AbstractTranslator.php
vendored
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398
vendor/nesbot/carbon/src/Carbon/AbstractTranslator.php
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<?php
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/**
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* This file is part of the Carbon package.
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*
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* (c) Brian Nesbitt <brian@nesbot.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 Carbon;
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use Carbon\MessageFormatter\MessageFormatterMapper;
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use Closure;
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use ReflectionException;
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use ReflectionFunction;
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use Symfony\Component\Translation;
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use Symfony\Component\Translation\Formatter\MessageFormatterInterface;
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use Symfony\Component\Translation\Loader\ArrayLoader;
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abstract class AbstractTranslator extends Translation\Translator
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{
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/**
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* Translator singletons for each language.
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*
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* @var array
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*/
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protected static $singletons = [];
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/**
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* List of custom localized messages.
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*
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* @var array
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*/
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protected $messages = [];
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/**
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* List of custom directories that contain translation files.
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*
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* @var string[]
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*/
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protected $directories = [];
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/**
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* Set to true while constructing.
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*
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* @var bool
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*/
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protected $initializing = false;
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/**
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* List of locales aliases.
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*
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* @var array<string, string>
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*/
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protected $aliases = [
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'me' => 'sr_Latn_ME',
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'scr' => 'sh',
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];
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/**
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* Return a singleton instance of Translator.
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*
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* @param string|null $locale optional initial locale ("en" - english by default)
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*
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* @return static
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*/
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public static function get($locale = null)
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{
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$locale = $locale ?: 'en';
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$key = static::class === Translator::class ? $locale : static::class.'|'.$locale;
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if (!isset(static::$singletons[$key])) {
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static::$singletons[$key] = new static($locale);
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}
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return static::$singletons[$key];
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}
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public function __construct($locale, MessageFormatterInterface $formatter = null, $cacheDir = null, $debug = false)
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{
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parent::setLocale($locale);
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$this->initializing = true;
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$this->directories = [__DIR__.'/Lang'];
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$this->addLoader('array', new ArrayLoader());
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parent::__construct($locale, new MessageFormatterMapper($formatter), $cacheDir, $debug);
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$this->initializing = false;
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}
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/**
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* Returns the list of directories translation files are searched in.
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*
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* @return array
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*/
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public function getDirectories(): array
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{
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return $this->directories;
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}
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/**
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* Set list of directories translation files are searched in.
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*
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* @param array $directories new directories list
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*
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* @return $this
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*/
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public function setDirectories(array $directories)
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{
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$this->directories = $directories;
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return $this;
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}
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/**
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* Add a directory to the list translation files are searched in.
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*
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* @param string $directory new directory
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*
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* @return $this
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*/
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public function addDirectory(string $directory)
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{
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$this->directories[] = $directory;
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return $this;
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}
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/**
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* Remove a directory from the list translation files are searched in.
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*
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* @param string $directory directory path
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*
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* @return $this
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*/
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public function removeDirectory(string $directory)
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{
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$search = rtrim(strtr($directory, '\\', '/'), '/');
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return $this->setDirectories(array_filter($this->getDirectories(), function ($item) use ($search) {
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return rtrim(strtr($item, '\\', '/'), '/') !== $search;
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}));
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}
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/**
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* Reset messages of a locale (all locale if no locale passed).
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* Remove custom messages and reload initial messages from matching
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* file in Lang directory.
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*
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* @param string|null $locale
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*
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* @return bool
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*/
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public function resetMessages($locale = null)
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{
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if ($locale === null) {
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$this->messages = [];
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return true;
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}
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foreach ($this->getDirectories() as $directory) {
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$data = @include sprintf('%s/%s.php', rtrim($directory, '\\/'), $locale);
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if ($data !== false) {
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$this->messages[$locale] = $data;
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$this->addResource('array', $this->messages[$locale], $locale);
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return true;
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}
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}
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return false;
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}
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/**
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* Returns the list of files matching a given locale prefix (or all if empty).
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*
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* @param string $prefix prefix required to filter result
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*
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* @return array
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*/
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public function getLocalesFiles($prefix = '')
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{
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$files = [];
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foreach ($this->getDirectories() as $directory) {
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$directory = rtrim($directory, '\\/');
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foreach (glob("$directory/$prefix*.php") as $file) {
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$files[] = $file;
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}
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}
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return array_unique($files);
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}
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/**
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* Returns the list of internally available locales and already loaded custom locales.
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* (It will ignore custom translator dynamic loading.)
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*
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* @param string $prefix prefix required to filter result
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*
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* @return array
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*/
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public function getAvailableLocales($prefix = '')
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{
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$locales = [];
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foreach ($this->getLocalesFiles($prefix) as $file) {
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$locales[] = substr($file, strrpos($file, '/') + 1, -4);
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}
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return array_unique(array_merge($locales, array_keys($this->messages)));
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}
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protected function translate(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null): string
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{
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if ($domain === null) {
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$domain = 'messages';
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}
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$catalogue = $this->getCatalogue($locale);
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$format = $this instanceof TranslatorStrongTypeInterface
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? $this->getFromCatalogue($catalogue, (string) $id, $domain)
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: $this->getCatalogue($locale)->get((string) $id, $domain); // @codeCoverageIgnore
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if ($format instanceof Closure) {
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// @codeCoverageIgnoreStart
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try {
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$count = (new ReflectionFunction($format))->getNumberOfRequiredParameters();
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} catch (ReflectionException $exception) {
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$count = 0;
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}
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// @codeCoverageIgnoreEnd
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return $format(
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...array_values($parameters),
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...array_fill(0, max(0, $count - \count($parameters)), null)
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);
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}
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return parent::trans($id, $parameters, $domain, $locale);
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}
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/**
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* Init messages language from matching file in Lang directory.
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*
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* @param string $locale
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*
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* @return bool
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*/
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protected function loadMessagesFromFile($locale)
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{
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return isset($this->messages[$locale]) || $this->resetMessages($locale);
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}
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/**
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* Set messages of a locale and take file first if present.
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*
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* @param string $locale
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* @param array $messages
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*
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* @return $this
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*/
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public function setMessages($locale, $messages)
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{
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$this->loadMessagesFromFile($locale);
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$this->addResource('array', $messages, $locale);
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$this->messages[$locale] = array_merge(
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$this->messages[$locale] ?? [],
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$messages
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);
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return $this;
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}
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/**
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* Set messages of the current locale and take file first if present.
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*
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* @param array $messages
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*
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* @return $this
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*/
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public function setTranslations($messages)
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{
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return $this->setMessages($this->getLocale(), $messages);
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}
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/**
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* Get messages of a locale, if none given, return all the
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* languages.
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*
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* @param string|null $locale
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*
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* @return array
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*/
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public function getMessages($locale = null)
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{
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return $locale === null ? $this->messages : $this->messages[$locale];
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}
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/**
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* Set the current translator locale and indicate if the source locale file exists
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*
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* @param string $locale locale ex. en
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*
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* @return bool
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*/
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public function setLocale($locale)
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{
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$locale = preg_replace_callback('/[-_]([a-z]{2,}|\d{2,})/', function ($matches) {
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// _2-letters or YUE is a region, _3+-letters is a variant
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$upper = strtoupper($matches[1]);
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if ($upper === 'YUE' || $upper === 'ISO' || \strlen($upper) < 3) {
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return "_$upper";
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}
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return '_'.ucfirst($matches[1]);
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}, strtolower($locale));
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$previousLocale = $this->getLocale();
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if ($previousLocale === $locale && isset($this->messages[$locale])) {
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return true;
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}
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unset(static::$singletons[$previousLocale]);
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if ($locale === 'auto') {
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$completeLocale = setlocale(LC_TIME, '0');
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$locale = preg_replace('/^([^_.-]+).*$/', '$1', $completeLocale);
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$locales = $this->getAvailableLocales($locale);
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$completeLocaleChunks = preg_split('/[_.-]+/', $completeLocale);
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$getScore = function ($language) use ($completeLocaleChunks) {
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return self::compareChunkLists($completeLocaleChunks, preg_split('/[_.-]+/', $language));
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};
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usort($locales, function ($first, $second) use ($getScore) {
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return $getScore($second) <=> $getScore($first);
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});
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$locale = $locales[0];
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}
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if (isset($this->aliases[$locale])) {
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$locale = $this->aliases[$locale];
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}
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// If subtag (ex: en_CA) first load the macro (ex: en) to have a fallback
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if (str_contains($locale, '_') &&
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$this->loadMessagesFromFile($macroLocale = preg_replace('/^([^_]+).*$/', '$1', $locale))
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) {
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parent::setLocale($macroLocale);
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}
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if (!$this->loadMessagesFromFile($locale) && !$this->initializing) {
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return false;
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}
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parent::setLocale($locale);
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return true;
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}
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/**
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* Show locale on var_dump().
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*
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* @return array
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*/
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public function __debugInfo()
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{
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return [
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'locale' => $this->getLocale(),
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];
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}
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private static function compareChunkLists($referenceChunks, $chunks)
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{
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$score = 0;
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foreach ($referenceChunks as $index => $chunk) {
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if (!isset($chunks[$index])) {
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$score++;
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continue;
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}
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if (strtolower($chunks[$index]) === strtolower($chunk)) {
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$score += 10;
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}
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}
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return $score;
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}
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}
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