270 lines
7.9 KiB
PHP
270 lines
7.9 KiB
PHP
<?php
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/**
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* All functions for determining and loading language files and for
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* translating the text
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* A few ideas and techniques were taken from the phpMyAdmin project
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* @author Nick Korbel <lqqkout13@users.sourceforge.net>
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* @version 03-14-05
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* @package Languages
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*
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* Copyright (C) 2003 - 2005 phpScheduleIt
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* License: GPL, see LICENSE
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*/
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/**
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* You must add the language infomation for the language that you are including to the
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* $languages array below.
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* Please keep the language keys in alphabetical order. The basic logic for this array
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* is from the phpMyAdmin project.
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*
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* 1) The first 2 letters are the official language code.
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*
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* 2) The array must follow this order:
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* The first element is a regular expression that validates against possible
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* ways to identify the language and is in this format:
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* + The official language code and the dialect code (country code) if it is needed.
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* For example for all English translations: en([-_][[:alpha:]]{2})?, for Bulgarian: 'bu'
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* In any case where there is more than one dialect, it should follow the English format
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* In any case where there is only one dialect, it should follow the Bulgarian format
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* + the '|' character
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* + the full language name (lowercase)
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* The second element is the full file name of this translation. This file name should
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* always be in the format: 2 letter language code, the word 'lang', the '.php' extension
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* For example for all English translatinos: en.lang.php
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* The third element is the official two letter language code
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* The final element is the full language name. This will appear in the language
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* pull down selection menu on the login page. Please capatalize the first letter
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*
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* If you are unsure of your language/dialect codes, please use the following resources -
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* + Standard language codes: http://www.unicode.org/unicode/onlinedat/languages.html
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* + Standard country codes: http://www.unicode.org/unicode/onlinedat/countries.html
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*/
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$languages = array (
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'en_US' => array('en([-_]us)?|english', 'en_US.lang.php', 'en', 'English US'),
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'en_GB' => array('en([-_]gb)?|english', 'en_GB.lang.php', 'en', 'English GB'),
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'es' => array('es([-_][[:alpha:]]{2})?|spanish', 'es.lang.php', 'es', 'Espa<70>ol'),
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'cs' => array('cs([-_][[:alpha:]]{2})?|czech', 'cs.lang.php', 'cs', 'Česky'),
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'fr' => array('fr([-_][[:alpha:]]{2})?|french', 'fr.lang.php', 'fr', 'Français'),
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'it' => array('it([-_][[:alpha:]]{2})?|italian', 'it.lang.php', 'it', 'Italiano'),
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'pt_BR' => array('pt([-_]br)?|portuguese', 'pt_BR.lang.php', 'pt', 'Portuguese Brazilian')
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);
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// Language files directory
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@define('LANG_DIR', dirname(__FILE__) . '/../lang/');
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/**
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* Tries to determine the langauge for this user by
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* going though all options.
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* @param none
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* @return mixed language if it can be determined, or false if it cannot
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*/
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function determine_language() {
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global $conf;
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$lang = false;
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// Set the language
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if (isset($_GET['lang']) && !empty($_GET['lang'])) {
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$lang = $_GET['lang'];
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}
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else if (isset($_COOKIE['lang']) && !empty($_COOKIE['lang'])) {
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$lang = $_COOKIE['lang'];
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}
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else if (isset($_SESSION['lang']) && !empty($_SESSION['lang'])) {
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$lang = $_SESSION['lang'];
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}
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else if ($lang = get_browser_lang()) {
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// Do nothing, it's done in the if
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}
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else {
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$lang = $conf['app']['defaultLanguage'];
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}
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return $lang;
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}
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/**
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* Loads the language file
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* @param none
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*/
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function load_language_file() {
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global $languages;
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global $lang;
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// Load the language file
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if (isset($languages[$lang]) && file_exists(LANG_DIR . $languages[$lang][1])) {
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include_once(LANG_DIR . $languages[$lang][1]);
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global $charset;
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header("Content-Type: text/html; charset=$charset");
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header("Content-Language: {$languages[$lang][2]}");
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}
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else {
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die('Could not load language file: ' . $languages[$lang][1]);
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setcookie('lang', '', time() - 2592000, '/');
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}
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}
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/**
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* Tries to detect the language based on the current browser settings
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* @param none
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* @return mixed language value if it can be found, false if it cannot be found
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*/
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function get_browser_lang() {
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global $languages;
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && !empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$http_accepted = split(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
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for ($i = 0; $i < count($http_accepted); $i++) {
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foreach ($languages as $lang => $vals) {
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if (eregi($vals[0], $http_accepted[$i]))
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return $lang;
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}
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}
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}
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return false; // If we get here, it wasnt found
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}
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/**
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* Sets the session variable for $lang so we do not need to go
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* through the determining process each time
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* @param string $lang language of current user
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*/
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function set_language($lang) {
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global $languages;
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global $conf;
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if (!isset($languages[$lang])) {
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$lang = $conf['app']['defaultLanguage'];
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}
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@session_start();
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setlocale(LC_ALL, $lang);
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setcookie('lang', $lang, time() + 2592000, '/');
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}
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/**
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* Translate the given string into the current lanaguage
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* If the trasnlation does not exist, returns the default
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* lanaguage translation
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* @param string $str string to translate
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* @param array $vars optional array of variables to pass to a sprintf translation string
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*/
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function translate($str, $args = array()) {
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global $strings;
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$return = '';
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if (!isset($strings[$str]) || empty($strings[$str])) {
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return '?';
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}
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if (empty($args)) {
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return $strings[$str];
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}
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else {
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$sprintf_args = '';
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for ($i = 0; $i < count($args); $i++) {
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$sprintf_args .= "'" . addslashes($args[$i]) . "',";
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}
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$sprintf_args = substr($sprintf_args, 0, strlen($sprintf_args) - 1);
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$string = addslashes($strings[$str]);
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$return = eval("return sprintf('$string',$sprintf_args);");
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return $return;
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}
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}
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/**
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* Translates an email message to the proper language
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* @param string $email_index index of the email to translate from the lang.php file
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* @param mixed unlimited number of arguments to be placed inline into the email
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* @return translated email message
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*/
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function translate_email($email_index) {
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global $email;
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$return = '';
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$args = func_get_args();
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if (!isset($email[$email_index]) || empty($email[$email_index])) {
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return '?';
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}
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if (func_num_args() <= 1) {
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return $email[$email_index];
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}
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else {
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$sprintf_args = '';
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for ($i = 1; $i < count($args); $i++) {
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$sprintf_args .= "'" . addslashes($args[$i]) . "',";
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}
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$sprintf_args = substr($sprintf_args, 0, strlen($sprintf_args) - 1);
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$return = eval('return sprintf("' . str_replace('"','\"',$email[$email_index]) . "\",$sprintf_args);");
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return $return;
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}
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}
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/**
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* Returns a formatted date for current section
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* @param string $date_index index of date to get
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* @return formatted date for that index
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*/
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function translate_date($date_index, $date) {
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global $dates;
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global $days_full;
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global $days_abbr;
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global $months_abbr;
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global $months_full;
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if (!isset($dates[$date_index]) || empty($dates[$date_index])) {
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return '?';
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}
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$date_format = $dates[$date_index];
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// This takes care of when day/month names are not translated by PHP
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if (strpos($date_format, '%a') !== false) {
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$date_format = str_replace('%a', '+d', $date_format);
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$day_name = $days_abbr[date('w', $date)];
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}
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if (strpos($date_format, '%A') !== false) {
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$date_format = str_replace('%A', '+d', $date_format);
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$day_name = $days_full[date('w', $date)];
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}
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if (strpos($date_format, '%b') !== false) {
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$date_format = str_replace('%b', '+m', $date_format);
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$month_name = $months_abbr[date('n', $date)-1];
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}
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if (strpos($date_format, '%B') !== false) {
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$date_format = str_replace('%B', '+m', $date_format);
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$month_name = $months_full[date('n', $date)-1];
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}
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$return = strftime($date_format, $date);
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if (isset($day_name)) {
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$return = str_replace('+d', $day_name, $return);
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}
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if (isset($month_name)) {
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$return = str_replace('+m', $month_name, $return);
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}
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return $return;
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}
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/**
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* Returns the array of lanugages
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* @param none
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* @return array of languages
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*/
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function get_language_list() {
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global $languages;
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return $languages;
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}
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?>
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