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71 lines
2.8 KiB
71 lines
2.8 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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if (basename($_SERVER['SCRIPT_NAME']) === basename(__FILE__)) {
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die('This script may only be included.');
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}
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// Indicates whether a locale identifier is valid
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// $localeIdentifier: A locale identifier, such as "en"
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// Returns a boolean, true if and only if the given locale identifier is valid and allowed.
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function isValidLocale($localeIdentifier = '')
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{
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global $prefs;
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return preg_match("/[a-zA-Z-_]+$/", $localeIdentifier) && file_exists('lang/' . $localeIdentifier . '/language.php')
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&& ($prefs['restrict_language'] === 'n' || empty($prefs['available_languages']) || in_array($localeIdentifier, $prefs['available_languages']));
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}
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// Sets the language
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// $localeIdentifier: the identifier of the locale to set
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// Returns true on success, false on failure (if $localeIdentifier is not a valid and allowed locale identifier)
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function setLanguage($localeIdentifier = '', $languageAdmin = false)
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{
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$smarty = TikiLib::lib('smarty');
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$tikilib = TikiLib::lib('tiki');
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global $prefs, $user;
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$prefName = $languageAdmin ? 'language_admin' : 'language';
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if (isValidLocale($localeIdentifier)) {
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$prefs[$prefName] = $localeIdentifier;
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$smarty->refreshLanguage();
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return $tikilib->set_user_preference($user, $prefName, $localeIdentifier);
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} else {
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return false;
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}
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}
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if ($prefs['feature_multilingual'] != 'y') { // change_language depends on feature_multilingual.
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$prefs['change_language'] = 'n';
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}
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if ($prefs['change_language'] == 'y') {
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// $noSwitchLang = true; // Uncomment to disable switchLang
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if (isset($_GET['switchLang']) && ! isset($noSwitchLang)) {
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// Special feature to allow creating Tiki links that also permanently switch the language of the user following the link.
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// Tiki does not create such links. See http://doc.tiki.org/i18n+Admin#Goodies
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setLanguage($_GET['switchLang']);
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} elseif ($prefs['feature_detect_language'] == 'y' and ! $tikilib->userHasPreference('language')) {
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// Detect browser language
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$browser_language = detect_browser_language();
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if (isValidLocale($browser_language)) {
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$prefs['language'] = $browser_language;
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}
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}
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} elseif (! empty($section) && $section == 'admin' && ! empty($prefs['language_admin'])) {
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$prefs['language'] = $prefs['language_admin'];
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} else {
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$prefs['language'] = $prefs['site_language'];
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}
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if (! isValidLocale($prefs['language'])) {
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// Override broken user locales
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setLanguage($prefs['site_language']);
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}
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TikiLib::lib('multilingual')->setupBiDi();
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