mirror of
https://github.com/Pathduck/gallery3.git
synced 2026-08-05 14:40:44 -04:00
210 lines
8.6 KiB
PHP
210 lines
8.6 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2009 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* This is the API for handling locales.
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*/
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class locales_Core {
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private static $locales;
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private static $language_subtag_to_locale;
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/**
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* Return the list of available locales.
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*/
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static function available() {
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if (empty(self::$locales)) {
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self::_init_language_data();
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}
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return self::$locales;
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}
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static function installed() {
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$available = self::available();
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$default = module::get_var("gallery", "default_locale");
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$codes = explode("|", module::get_var("gallery", "installed_locales", $default));
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foreach ($codes as $code) {
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if (isset($available->$code)) {
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$installed[$code] = $available[$code];
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}
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}
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return $installed;
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}
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static function update_installed($locales) {
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// Ensure that the default is included...
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$default = module::get_var("gallery", "default_locale");
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$locales = in_array($default, $locales)
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? $locales
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: array_merge($locales, array($default));
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module::set_var("gallery", "installed_locales", join("|", $locales));
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}
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// @todo Might want to add a localizable language name as well.
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private static function _init_language_data() {
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$l["af_ZA"] = "Afrikaans"; // Afrikaans
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$l["ar_SA"] = "العربية"; // Arabic
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$l["be_BY"] = "Беларускі"; // Belarusian
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$l["bg_BG"] = "Български"; // Bulgarian
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$l["ca_ES"] = "Catalan"; // Catalan
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$l["cs_CZ"] = "Česky"; // Czech
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$l["da_DK"] = "Dansk"; // Danish
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$l["de_DE"] = "Deutsch"; // German
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$l["el_GR"] = "Greek"; // Greek
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$l["en_GB"] = "English (UK)"; // English (UK)
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$l["en_US"] = "English (US)"; // English (US)
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$l["es_AR"] = "Español (AR)"; // Spanish (AR)
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$l["es_ES"] = "Español"; // Spanish (ES)
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$l["es_MX"] = "Español (MX)"; // Spanish (MX)
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$l["et_EE"] = "Eesti"; // Estonian
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$l["eu_ES"] = "Euskara"; // Basque
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$l["fa_IR"] = "فارسي"; // Farsi
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$l["fi_FI"] = "Suomi"; // Finnish
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$l["fr_FR"] = "Français"; // French
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$l["ga_IE"] = "Gaeilge"; // Irish
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$l["he_IL"] = "עברית"; // Hebrew
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$l["hu_HU"] = "Magyar"; // Hungarian
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$l["is_IS"] = "Icelandic"; // Icelandic
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$l["it_IT"] = "Italiano"; // Italian
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$l["ja_JP"] = "日本語"; // Japanese
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$l["ko_KR"] = "한국말"; // Korean
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$l["lt_LT"] = "Lietuvių"; // Lithuanian
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$l["lv_LV"] = "Latviešu"; // Latvian
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$l["nl_NL"] = "Nederlands"; // Dutch
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$l["no_NO"] = "Norsk bokmål"; // Norwegian
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$l["pl_PL"] = "Polski"; // Polish
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$l["pt_BR"] = "Português Brasileiro"; // Portuguese (BR)
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$l["pt_PT"] = "Português"; // Portuguese (PT)
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$l["ro_RO"] = "Română"; // Romanian
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$l["ru_RU"] = "Русский"; // Russian
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$l["sk_SK"] = "Slovenčina"; // Slovak
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$l["sl_SI"] = "Slovenščina"; // Slovenian
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$l["sr_CS"] = "Srpski"; // Serbian
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$l["sv_SE"] = "Svenska"; // Swedish
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$l["tr_TR"] = "Türkçe"; // Turkish
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$l["uk_UA"] = "УкÑаÑнÑÑка"; // Ukrainian
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$l["vi_VN"] = "Tiếng Việt"; // Vietnamese
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$l["zh_CN"] = "简体中文"; // Chinese (CN)
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$l["zh_TW"] = "繁體中文"; // Chinese (TW)
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asort($l, SORT_LOCALE_STRING);
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self::$locales = $l;
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// Language subtag to (default) locale mapping
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foreach ($l as $locale => $name) {
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list ($language) = explode("_", $locale . "_");
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// The first one mentioned is the default
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if (!isset($d[$language])) {
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$d[$language] = $locale;
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}
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}
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self::$language_subtag_to_locale = $d;
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}
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static function display_name($locale=null) {
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if (empty(self::$locales)) {
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self::_init_language_data();
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}
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$locale or $locale = I18n::instance()->locale();
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return self::$locales["$locale"];
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}
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static function is_rtl($locale=null) {
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$locale or $locale = I18n::instance()->locale();
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list ($language, $territory) = explode('_', $locale . "_");
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return in_array($language, array("he", "fa", "ar"));
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}
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/**
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* Returns the best match comparing the HTTP accept-language header
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* with the installed locales.
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* @todo replace this with request::accepts_language() when we upgrade to Kohana 2.4
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*/
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static function locale_from_http_request() {
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$http_accept_language = Input::instance()->server("HTTP_ACCEPT_LANGUAGE");
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if ($http_accept_language) {
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// Parse the HTTP header and build a preference list
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// Example value: "de,en-us;q=0.7,en-uk,fr-fr;q=0.2"
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$locale_preferences = array();
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foreach (explode(",", $http_accept_language) as $code) {
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list ($requested_locale, $qvalue) = explode(";", $code . ";");
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$requested_locale = trim($requested_locale);
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$qvalue = trim($qvalue);
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if (preg_match("/^([a-z]{2,3})(?:[_-]([a-zA-Z]{2}))?/", $requested_locale, $matches)) {
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$requested_locale = strtolower($matches[1]);
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if (!empty($matches[2])) {
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$requested_locale .= "_" . strtoupper($matches[2]);
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}
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$requested_locale = trim(str_replace("-", "_", $requested_locale));
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if (!strlen($qvalue)) {
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// If not specified, default to 1.
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$qvalue = 1;
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} else {
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// qvalue is expected to be something like "q=0.7"
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list ($ignored, $qvalue) = explode("=", $qvalue . "==");
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$qvalue = floatval($qvalue);
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}
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$locale_preferences[] = array($requested_locale, $qvalue);
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}
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}
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// Compare and score requested locales with installed ones
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$matched_locales = array();
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foreach ($locale_preferences as $requested_value) {
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$scored_locale_match = self::_locale_match_score($requested_value);
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if ($scored_locale_match) {
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$scored_locales[] = $scored_locale_match;
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}
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}
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usort($matched_locales, array("locales", "_compare_locale_by_qvalue"));
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$best_match = array_shift($scored_locales);
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if ($best_match) {
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return $best_match[0];
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}
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}
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return null;
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}
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static function _compare_locale_by_qvalue($a, $b) {
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$a = $a[1];
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$b = $b[1];
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if ($a == $b) {
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return 0;
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}
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return $a < $b ? 1 : -1;
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}
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private static function _locale_match_score($requested_locale_and_qvalue) {
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list ($requested_locale, $qvalue) = $requested_locale_and_qvalue;
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$installed = self::installed();
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if (isset($installed[$requested_locale])) {
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return $requested_locale_and_qvalue;
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}
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list ($language) = explode("_", $requested_locale . "_");
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if (isset(self::$language_subtag_to_locale[$language])) {
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return array(self::$language_subtag_to_locale[$language], $qvalue * 0.66);
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}
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return null;
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}
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} |