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https://github.com/Pathduck/gallery3.git
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b3d0cb5a4c
(And the tests should illustrate that kohana 2.4's API doesn't quite fit our purpose of simply getting the best match between the accepted (client) and the installed (g3) locales.)
214 lines
8.7 KiB
PHP
214 lines
8.7 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("|", $locales));
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// Clear the cache
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self::$locales = null;
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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, $qvalue);
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}
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}
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// Compare and score requested locales with installed ones
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$scored_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[] = $scored_locale_match;
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}
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}
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usort($scored_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[$language]) &&
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isset($installed[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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} |