forked from GNUsocial/gnu-social
[CORE][I18N] Port the translation system to rely on symfony's
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Hugo Sales
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src/Util/Language.php
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280
src/Util/Language.php
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<?php
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Utility functions for i18n
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*
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* @category I18n
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* @package GNU social
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* @author Matthew Gregg <matthew.gregg@gmail.com>
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* @author Ciaran Gultnieks <ciaran@ciarang.com>
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* @author Evan Prodromou <evan@status.net>
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @copyright 2010, 2019 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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defined('GNUSOCIAL') || die();
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private Translator $translator;
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public function setTranslator($trans): void { $translator = $trans; }
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// Locale category constants are usually predefined, but may not be
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// on some systems such as Win32.
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$LC_CATEGORIES = ['LC_CTYPE',
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'LC_NUMERIC',
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'LC_TIME',
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'LC_COLLATE',
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'LC_MONETARY',
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'LC_MESSAGES',
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'LC_ALL'];
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foreach ($LC_CATEGORIES as $key => $name) {
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if (!defined($name)) {
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define($name, $key);
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}
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}
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/**
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* Wrapper for symfony translation with smart domain detection.
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*
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* If calling from a plugin, this function checks which plugin it was
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* being called from and uses that as text domain, which will have
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* been set up during plugin initialization.
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*
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* Also handles plurals and contexts depending on what parameters
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* are passed to it:
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*
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* _m($msg) -- simple message
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* _m($ctx, $msg) -- message with context
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* _m($msg1, $msg2, $n) -- message that cann be singular or plural
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* _m($ctx, $msg1, $msg2, $n) -- combination of the previous two
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*
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* @param string $msg
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* @param extra params as described above
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* @return string
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* @throws Exception
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*/
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public function _m(string $msg /*, ...*/): string
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{
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$domain = _mdomain(debug_backtrace());
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$args = func_get_args();
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list($context, $msg_single, $msg_plural, $n) = $args;
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switch (count($args)) {
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case 1:
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// Empty parameters
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return $translator->trans($msg, [], $domain);
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case 2:
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// ASCII 4 is EOT, used to separate context from string
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return $translator->trans($context . '\004' . $msg_single, [], $domain);
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case 3:
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// '|' separates the singular from the plural version
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$msg_single = $args[0];
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$msg_plural = $args[1];
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$n = $args[2];
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return $translator->trans($msg_single . '|' . $msg_plural, ['%d' => $n], $domain);
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case 4:
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// Combine both
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return $translator->trans($context . '\004' . $msg_single . '|' . $msg_plural,
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['%d' => $n], $domain);
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default:
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throw new Exception("Bad parameter count to _m()");
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}
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}
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/**
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* Looks for which plugin we've been called from to set the gettext domain;
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* if not in a plugin subdirectory, we'll use the default 'gnusocial'.
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*
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* Note: we can't return null for default domain since most of the PHP gettext
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* wrapper functions turn null into "" before passing to the backend library.
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*
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* @param array $backtrace debug_backtrace() output
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* @return string
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* @private
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*/
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private function _mdomain(array $backtrace): string
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{
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/*
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0 =>
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array
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'file' => string '/var/www/mublog/plugins/FeedSub/FeedSubPlugin.php' (length=49)
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'line' => int 77
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'function' => string '_m' (length=2)
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'args' =>
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array
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0 => &string 'Feeds' (length=5)
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*/
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static $cached;
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$path = $backtrace[0]['file'];
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if (!isset($cached[$path])) {
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$path = common::normalizePath($path);
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$cached[$path] = common::pluginFromPath($path);
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}
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return $cached[$path];
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}
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/**
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* Content negotiation for language codes
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*
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* @param string $http_accept_lang_header HTTP Accept-Language header
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* @return string language code for best language match, false otherwise
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*/
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function client_preferred_language(string $http_accept_lang_header): string
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{
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$client_langs = [];
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$all_languages = common_config('site', 'languages');
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preg_match_all('"(((\S\S)-?(\S\S)?)(;q=([0-9.]+))?)\s*(,\s*|$)"',
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strtolower($http_accept_lang_header), $http_langs);
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for ($i = 0; $i < count($http_langs); ++$i) {
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if (!empty($http_langs[2][$i])) {
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// if no q default to 1.0
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$client_langs[$http_langs[2][$i]] =
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($http_langs[6][$i] ? (float)$http_langs[6][$i] : 1.0 - ($i * 0.01));
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}
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if (!empty($http_langs[3][$i]) && empty($client_langs[$http_langs[3][$i]])) {
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// if a catchall default 0.01 lower
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$client_langs[$http_langs[3][$i]] =
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($http_langs[6][$i] ? (float)$http_langs[6][$i] - 0.01 : 0.99);
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}
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}
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// sort in descending q
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arsort($client_langs);
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foreach ($client_langs as $lang => $q) {
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if (isset($all_languages[$lang])) {
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return ($all_languages[$lang]['lang']);
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}
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}
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return false;
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}
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/**
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* returns a simple code -> name mapping for languages
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*
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* @return array map of available languages by code to language name.
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*/
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function get_nice_language_list(): array
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{
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$nice_lang = [];
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$all_languages = common_config('site', 'languages');
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foreach ($all_languages as $lang) {
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$nice_lang[$lang['lang']] = $lang['name'];
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}
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return $nice_lang;
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}
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/**
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* Check whether a language is right-to-left
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*
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* @param string $lang language code of the language to check
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*
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* @return boolean true if language is rtl
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*/
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function is_rtl(string $lang_value): bool
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{
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foreach (common_config('site', 'languages') as $code => $info) {
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if ($lang_value == $info['lang']) {
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return $info['direction'] == 'rtl';
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}
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}
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}
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/**
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* Get a list of all languages that are enabled in the default config
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*
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* This should ONLY be called when setting up the default config in common.php.
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* Any other attempt to get a list of languages should instead call
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* common_config('site','languages')
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*
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* @return array mapping of language codes to language info
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*/
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function get_all_languages(): array
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{
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return [
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'af' => ['q' => 0.8, 'lang' => 'af', 'name' => 'Afrikaans', 'direction' => 'ltr'],
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'ar' => ['q' => 0.8, 'lang' => 'ar', 'name' => 'Arabic', 'direction' => 'rtl'],
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'ast' => ['q' => 1, 'lang' => 'ast', 'name' => 'Asturian', 'direction' => 'ltr'],
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'eu' => ['q' => 1, 'lang' => 'eu', 'name' => 'Basque', 'direction' => 'ltr'],
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'be-tarask' => ['q' => 0.5, 'lang' => 'be-tarask', 'name' => 'Belarusian (Taraškievica orthography)', 'direction' => 'ltr'],
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'br' => ['q' => 0.8, 'lang' => 'br', 'name' => 'Breton', 'direction' => 'ltr'],
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'bg' => ['q' => 0.8, 'lang' => 'bg', 'name' => 'Bulgarian', 'direction' => 'ltr'],
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'my' => ['q' => 1, 'lang' => 'my', 'name' => 'Burmese', 'direction' => 'ltr'],
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'ca' => ['q' => 0.5, 'lang' => 'ca', 'name' => 'Catalan', 'direction' => 'ltr'],
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'zh-cn' => ['q' => 0.9, 'lang' => 'zh_CN', 'name' => 'Chinese (Simplified)', 'direction' => 'ltr'],
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'zh-hant' => ['q' => 0.2, 'lang' => 'zh_TW', 'name' => 'Chinese (Taiwanese)', 'direction' => 'ltr'],
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'ksh' => ['q' => 1, 'lang' => 'ksh', 'name' => 'Colognian', 'direction' => 'ltr'],
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'cs' => ['q' => 0.5, 'lang' => 'cs', 'name' => 'Czech', 'direction' => 'ltr'],
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'da' => ['q' => 0.8, 'lang' => 'da', 'name' => 'Danish', 'direction' => 'ltr'],
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'nl' => ['q' => 0.5, 'lang' => 'nl', 'name' => 'Dutch', 'direction' => 'ltr'],
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'arz' => ['q' => 0.8, 'lang' => 'arz', 'name' => 'Egyptian Spoken Arabic', 'direction' => 'rtl'],
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'en' => ['q' => 1, 'lang' => 'en', 'name' => 'English', 'direction' => 'ltr'],
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'en-us' => ['q' => 1, 'lang' => 'en', 'name' => 'English (US)', 'direction' => 'ltr'],
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'en-gb' => ['q' => 1, 'lang' => 'en_GB', 'name' => 'English (UK)', 'direction' => 'ltr'],
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'eo' => ['q' => 0.8, 'lang' => 'eo', 'name' => 'Esperanto', 'direction' => 'ltr'],
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'fi' => ['q' => 1, 'lang' => 'fi', 'name' => 'Finnish', 'direction' => 'ltr'],
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'fr' => ['q' => 1, 'lang' => 'fr', 'name' => 'French', 'direction' => 'ltr'],
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'fr-fr' => ['q' => 1, 'lang' => 'fr', 'name' => 'French (France)', 'direction' => 'ltr'],
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'fur' => ['q' => 0.8, 'lang' => 'fur', 'name' => 'Friulian', 'direction' => 'ltr'],
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'gl' => ['q' => 0.8, 'lang' => 'gl', 'name' => 'Galician', 'direction' => 'ltr'],
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'ka' => ['q' => 0.8, 'lang' => 'ka', 'name' => 'Georgian', 'direction' => 'ltr'],
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'de' => ['q' => 0.8, 'lang' => 'de', 'name' => 'German', 'direction' => 'ltr'],
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'el' => ['q' => 0.1, 'lang' => 'el', 'name' => 'Greek', 'direction' => 'ltr'],
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'he' => ['q' => 0.5, 'lang' => 'he', 'name' => 'Hebrew', 'direction' => 'rtl'],
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'hu' => ['q' => 0.8, 'lang' => 'hu', 'name' => 'Hungarian', 'direction' => 'ltr'],
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'is' => ['q' => 0.1, 'lang' => 'is', 'name' => 'Icelandic', 'direction' => 'ltr'],
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'id' => ['q' => 1, 'lang' => 'id', 'name' => 'Indonesian', 'direction' => 'ltr'],
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'ia' => ['q' => 0.8, 'lang' => 'ia', 'name' => 'Interlingua', 'direction' => 'ltr'],
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'ga' => ['q' => 0.5, 'lang' => 'ga', 'name' => 'Irish', 'direction' => 'ltr'],
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'it' => ['q' => 1, 'lang' => 'it', 'name' => 'Italian', 'direction' => 'ltr'],
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'ja' => ['q' => 0.5, 'lang' => 'ja', 'name' => 'Japanese', 'direction' => 'ltr'],
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'ko' => ['q' => 0.9, 'lang' => 'ko', 'name' => 'Korean', 'direction' => 'ltr'],
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'lv' => ['q' => 1, 'lang' => 'lv', 'name' => 'Latvian', 'direction' => 'ltr'],
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'lt' => ['q' => 1, 'lang' => 'lt', 'name' => 'Lithuanian', 'direction' => 'ltr'],
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'lb' => ['q' => 1, 'lang' => 'lb', 'name' => 'Luxembourgish', 'direction' => 'ltr'],
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'mk' => ['q' => 0.5, 'lang' => 'mk', 'name' => 'Macedonian', 'direction' => 'ltr'],
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'mg' => ['q' => 1, 'lang' => 'mg', 'name' => 'Malagasy', 'direction' => 'ltr'],
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'ms' => ['q' => 1, 'lang' => 'ms', 'name' => 'Malay', 'direction' => 'ltr'],
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'ml' => ['q' => 0.5, 'lang' => 'ml', 'name' => 'Malayalam', 'direction' => 'ltr'],
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'ne' => ['q' => 1, 'lang' => 'ne', 'name' => 'Nepali', 'direction' => 'ltr'],
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'nb' => ['q' => 0.1, 'lang' => 'nb', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'],
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'no' => ['q' => 0.1, 'lang' => 'nb', 'name' => 'Norwegian (Bokmål)', 'direction' => 'ltr'],
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'nn' => ['q' => 1, 'lang' => 'nn', 'name' => 'Norwegian (Nynorsk)', 'direction' => 'ltr'],
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'fa' => ['q' => 1, 'lang' => 'fa', 'name' => 'Persian', 'direction' => 'rtl'],
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'pl' => ['q' => 0.5, 'lang' => 'pl', 'name' => 'Polish', 'direction' => 'ltr'],
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'pt' => ['q' => 1, 'lang' => 'pt', 'name' => 'Portuguese', 'direction' => 'ltr'],
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'pt-br' => ['q' => 0.9, 'lang' => 'pt_BR', 'name' => 'Brazilian Portuguese', 'direction' => 'ltr'],
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'ru' => ['q' => 0.9, 'lang' => 'ru', 'name' => 'Russian', 'direction' => 'ltr'],
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'sr-ec' => ['q' => 1, 'lang' => 'sr-ec', 'name' => 'Serbian', 'direction' => 'ltr'],
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'es' => ['q' => 1, 'lang' => 'es', 'name' => 'Spanish', 'direction' => 'ltr'],
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'sv' => ['q' => 0.8, 'lang' => 'sv', 'name' => 'Swedish', 'direction' => 'ltr'],
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'tl' => ['q' => 0.8, 'lang' => 'tl', 'name' => 'Tagalog', 'direction' => 'ltr'],
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'ta' => ['q' => 1, 'lang' => 'ta', 'name' => 'Tamil', 'direction' => 'ltr'],
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'te' => ['q' => 0.3, 'lang' => 'te', 'name' => 'Telugu', 'direction' => 'ltr'],
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'tr' => ['q' => 0.5, 'lang' => 'tr', 'name' => 'Turkish', 'direction' => 'ltr'],
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'uk' => ['q' => 1, 'lang' => 'uk', 'name' => 'Ukrainian', 'direction' => 'ltr'],
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'hsb' => ['q' => 0.8, 'lang' => 'hsb', 'name' => 'Upper Sorbian', 'direction' => 'ltr'],
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'ur' => ['q' => 1, 'lang' => 'ur_PK', 'name' => 'Urdu (Pakistan)', 'direction' => 'rtl'],
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'vi' => ['q' => 0.8, 'lang' => 'vi', 'name' => 'Vietnamese', 'direction' => 'ltr'],
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];
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}
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