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mqtranslate_core.php
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mqtranslate_core.php
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<?php // encoding: utf-8
/* Copyright 2008 Qian Qin (email : [email protected])
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
if ( !defined( 'ABSPATH' ) ) exit;
/* mqTranslate Core Functions */
function qtrans_init_language() {
global $q_config;
// check if it isn't already initialized
if(defined('QTRANS_INIT')) return;
define('QTRANS_INIT',true);
qtrans_loadConfig();
$cookie_name = defined('WP_ADMIN') ? QT_COOKIE_NAME_ADMIN : QT_COOKIE_NAME_FRONT;
$q_config['cookie_enabled']=isset($_COOKIE[$cookie_name]);
$q_config['url_info'] = qtrans_detect_language($_SERVER['REQUEST_URI'], $_SERVER['HTTP_HOST'], isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '');
$q_config['language'] = apply_filters('qtranslate_language', $q_config['url_info']['language']);
// Filter all options for language tags
if(!defined('WP_ADMIN') && !empty($q_config['filter_all_options'])) {
$alloptions = wp_load_alloptions();
foreach($alloptions as $option => $value) {
add_filter('option_'.$option, 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
}
}
// Disable CSS in head if applying
if ($q_config['disable_header_css'])
add_filter('qtranslate_header_css', create_function('$a', "return '';"));
// fix url to prevent xss
$q_config['url_info']['url'] = qtrans_convertURL(add_query_arg('lang',$q_config['default_language'],$q_config['url_info']['url']));
//allow other plugins to initialize whatever they need
do_action('qtrans_init_language');
}
function qtrans_init() {
global $q_config;
do_action('qtrans_init_begin');
if(defined('WP_ADMIN')){
// update Gettext Databases if on Backend
if($q_config['auto_update_mo']) qtrans_updateGettextDatabases();
// update definitions if neccesary
if(current_user_can('manage_categories')) qtrans_updateTermLibrary();
}
// load plugin translations
load_plugin_textdomain('mqtranslate', false, dirname(plugin_basename( __FILE__ )).'/lang');
foreach ($q_config['text_field_filters'] as $nm)
add_filter($nm, 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
//allow other plugins to initialize whatever they need for qTranslate
do_action('qtrans_init');
}
// returns the home in HTTP or HTTPS depending on the request
function qtrans_getHome() {
$home = get_option('home');
if(is_ssl()) {
$home = str_replace('http://', 'https://', $home);
} else {
$home = str_replace('https://', 'http://', $home);
}
return $home;
}
function qtrans_resolveLangCase($lang,&$doredirect)
{
if(qtrans_isEnabled($lang)) return $lang;
$lng=strtolower($lang);
if(qtrans_isEnabled($lng)){
$doredirect=true;
return $lng;
}
$lng=strtoupper($lang);
if(qtrans_isEnabled($lng)){
$doredirect=true;
return $lng;
}
return false;
}
function qtrans_get_language_cookie()
{
if (defined('WP_ADMIN')) {
if (isset($_COOKIE[QT_COOKIE_NAME_ADMIN])) return $_COOKIE[QT_COOKIE_NAME_ADMIN];
}
else {
if (isset($_COOKIE[QT_COOKIE_NAME_FRONT])) return $_COOKIE[QT_COOKIE_NAME_FRONT];
}
return false;
}
function qtrans_set_language_cookie($lang, $cookie_path)
{
global $q_config;
if (defined('WP_ADMIN')) {
$cookie_name = QT_COOKIE_NAME_ADMIN;
$cookie_path = trailingslashit($cookie_path).'wp-admin';
$cookie_secure = false;
}
else {
if (!empty($q_config['disable_client_cookies']))
return;
$cookie_name = QT_COOKIE_NAME_FRONT;
if (strlen($cookie_path) > 1)
$cookie_path = untrailingslashit($cookie_path);
$cookie_secure = !empty($q_config['use_secure_cookie']);
}
setcookie($cookie_name, $lang, time()+86400*365, $cookie_path, NULL, $cookie_secure);
}
// returns cleaned string and language information
function qtrans_detect_language($url, $host, $referer) {
global $q_config;
$home = qtrans_parseURL(get_option('home'));
$home['path'] = isset($home['path']) ? trailingslashit($home['path']) : '/';
$referer = qtrans_parseURL($referer);
$result = array();
$result['url'] = $url;
$result['original_url'] = $url;
$result['host'] = $host;
$result['redirect'] = false;
$result['internal_referer'] = false;
$result['home'] = $home['path'];
$result['explicit_default_language'] = false;
$doredirect = false;
$lang_url = NULL;
switch($q_config['url_mode']) {
case QT_URL_QUERY:
$result['explicit_default_language'] = (!empty($_GET['lang']) && $_GET['lang'] == $q_config['default_language']);
break;
case QT_URL_PATH:
// pre url
$url = substr($url, strlen($home['path']));
if($url) {
// might have language information
if (preg_match("#^([a-z]{2})(/.*)?$#i",$url,$match)) {
$lang_url = qtrans_resolveLangCase($match[1], $doredirect);
if ($lang_url) {
// found language information
$result['explicit_default_language'] = ($lang_url == $q_config['default_language']);
$result['url'] = $home['path'].substr($url, 3);
}
}
}
break;
case QT_URL_DOMAIN:
// pre domain
if ($host) {
if(preg_match("#^([a-z]{2}).#i",$host,$match)) {
$lang_url = qtrans_resolveLangCase($match[1], $doredirect);
if ($lang_url) {
// found language information
$result['explicit_default_language'] = ($lang_url == $q_config['default_language']);
$result['host'] = substr($host, 3);
}
}
}
break;
}
// check if referer is internal
if($referer['host']==$result['host'] && qtrans_startsWith($referer['path'], $home['path'])) {
// user coming from internal link
$result['internal_referer'] = true;
}
$lang = NULL;
if (isset($_GET['lang'])) {
$lang = qtrans_resolveLangCase($_GET['lang'], $doredirect);
if ($lang) {
// language override given
$result['url'] = preg_replace("#(&|\?)lang=".$lang."&?#i","$1",$result['url']);
$result['url'] = preg_replace("#[\?\&]+$#i","",$result['url']);
}
elseif ($home['host'] == $result['host'] && $home['path'] == $result['url']) {
if (empty($referer['host']) || !$q_config['hide_default_language'])
$result['redirect'] = true;
else {
// check if activating language detection is possible
if (preg_match("#^([a-z]{2}).#i",$referer['host'],$match)) {
$cs = false;
$lang = qtrans_resolveLangCase($match[1], $cs);
if ($lang) {
// found language information
$referer['host'] = substr($referer['host'], 3);
}
}
if (!$result['internal_referer']) {
// user coming from external link
$result['redirect'] = true;
}
}
}
}
if ($lang) {
if ($lang_url && $lang !== $lang_url)
$doredirect=true;
}
else if($lang_url) {
$lang = $lang_url;
if($q_config['hide_default_language'] && $lang_url == $q_config['default_language'])
$doredirect=true;
}
else{
$lang = qtrans_get_language_cookie();
if ($lang) {
$cs=false;
$lang = qtrans_resolveLangCase($lang, $cs);
}
if(!$lang && $q_config['detect_browser_language'])
$lang=qtrans_http_negotiate_language();
if(!$lang)
$lang = $q_config['default_language'];
if(!defined('WP_ADMIN') && !defined('DOING_CRON') && (!$q_config['hide_default_language'] || $lang != $q_config['default_language'])){
$url_parsed=parse_url($url);
$b=false;
if(isset($url_parsed['path'])){
$path=$url_parsed['path'];
$b=qtrans_language_nutral_path($path);
}
if(!$b)
$doredirect=true;
}
}
if ($doredirect) {
$urlto=$result['host'].$result['url'];
if (isset($_SERVER['HTTPS']))
$urlto='https://'.$urlto;
else
$urlto='http://'.$urlto;
$target=qtrans_convertURL($urlto,$lang,false,!$q_config['hide_default_language']);
$target = apply_filters('qtranslate_language_detect_redirect', $target, $result);
if ($target!==false){
$url_parsed=parse_url($url);
$tgt_parsed=parse_url($target);
if(isset($url_parsed['path']) && isset($tgt_parsed['path']) && $url_parsed['path'] != $tgt_parsed['path']){
qtrans_set_language_cookie($lang,$result['home']);
wp_redirect($target);
exit();
}
}
}
qtrans_set_language_cookie($lang,$result['home']);
$result['language'] = $lang;
return $result;
}
function qtrans_get_browser_language(){
//qtrans_dbg_log('qtrans_get_browser_language: HTTP_ACCEPT_LANGUAGE:',$_SERVER["HTTP_ACCEPT_LANGUAGE"]);
if(!isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) return null;
if(!preg_match_all("#([^;,]+)(;[^,0-9]*([0-9\.]+)[^,]*)?#i",$_SERVER["HTTP_ACCEPT_LANGUAGE"], $matches, PREG_SET_ORDER)) return null;
$prefered_languages = array();
$priority = 1.0;
foreach($matches as $match) {
if(!isset($match[3])) {
$pr = $priority;
$priority -= 0.001;
} else {
$pr = floatval($match[3]);
}
$prefered_languages[$match[1]] = $pr;
}
arsort($prefered_languages, SORT_NUMERIC);
foreach($prefered_languages as $language => $priority) {
if(strlen($language)>2) $language = substr($language,0,2);
if(qtrans_isEnabled($language))
return $language;
}
}
function qtrans_http_negotiate_language(){
if(function_exists('http_negotiate_language')){
$supported=array();
$supported[]=str_replace('_','-',$q_config['locale'][$q_config['default_language']]);
foreach ($q_config['available_languages'] as $lang)
$supported[]=str_replace('_','-',$q_config['locale'][$lang]);
$lang = http_negotiate_language($supported);
}
else
$lang = qtrans_get_browser_language();
return $lang;
}
function qtrans_validateBool($var, $default) {
if($var==='0') return false; elseif($var==='1') return true; else return $default;
}
function qtrans_load_option($nm) {
global $q_config;
$val = get_option('mqtranslate_'.$nm);
if(empty($val)) return;
$q_config[$nm]=$val;
}
function qtrans_load_option_array($nm) {
global $q_config;
$val = get_option('mqtranslate_'.$nm);
if(!is_array($val)) return;
$q_config[$nm]=$val;
}
function qtrans_load_option_bool($nm) {
global $q_config;
$val = get_option('mqtranslate_'.$nm);
$q_config[$nm] = ($val === '1');
}
// loads config via get_option and defaults to values set on top
function qtrans_loadConfig() {
global $q_config;
// Load everything
$language_names = get_option('mqtranslate_language_names');
$enabled_languages = get_option('mqtranslate_enabled_languages');
$default_language = get_option('mqtranslate_default_language');
$flag_location = get_option('mqtranslate_flag_location');
$flags = get_option('mqtranslate_flags');
$locales = get_option('mqtranslate_locales');
$na_messages = get_option('mqtranslate_na_messages');
$date_formats = get_option('mqtranslate_date_formats');
$time_formats = get_option('mqtranslate_time_formats');
$use_strftime = get_option('mqtranslate_use_strftime');
$ignore_file_types = get_option('mqtranslate_ignore_file_types');
$url_mode = get_option('mqtranslate_url_mode');
$term_name = get_option('mqtranslate_term_name');
$allowed_custom_post_types = get_option('mqtranslate_allowed_custom_post_types');
$disable_client_cookies = get_option('mqtranslate_disable_client_cookies');
$use_secure_cookie = get_option('mqtranslate_use_secure_cookie');
$filter_all_options = get_option('mqtranslate_filter_all_options');
qtrans_load_option_array('custom_fields');
qtrans_load_option_array('custom_field_classes');
qtrans_load_option_array('text_field_filters');
// default if not set
if(!is_array($date_formats)) $date_formats = $q_config['date_format'];
if(!is_array($time_formats)) $time_formats = $q_config['time_format'];
if(!is_array($na_messages)) $na_messages = $q_config['not_available'];
if(!is_array($locales)) $locales = $q_config['locale'];
if(!is_array($flags)) $flags = $q_config['flag'];
if(!is_array($language_names)) $language_names = $q_config['language_name'];
if(!is_array($enabled_languages)) $enabled_languages = $q_config['enabled_languages'];
if(!is_array($term_name)) $term_name = $q_config['term_name'];
if(empty($default_language)) $default_language = $q_config['default_language'];
if(empty($use_strftime)) $use_strftime = $q_config['use_strftime'];
if(empty($url_mode)) $url_mode = $q_config['url_mode'];
if(empty($allowed_custom_post_types))
{
if (is_array($q_config['allowed_custom_post_types']))
$allowed_custom_post_types = $q_config['allowed_custom_post_types'];
else
$allowed_custom_post_types = array();
}
else if (!is_array($allowed_custom_post_types))
$allowed_custom_post_types = explode(',', $allowed_custom_post_types);
if(!is_string($flag_location) || $flag_location==='') $flag_location = $q_config['flag_location'];
qtrans_load_option_bool('detect_browser_language');
qtrans_load_option_bool('hide_untranslated');
qtrans_load_option_bool('show_displayed_language_prefix');
qtrans_load_option_bool('auto_update_mo');
qtrans_load_option_bool('hide_default_language');
qtrans_load_option_bool('disable_header_css');
$disable_client_cookies = qtrans_validateBool($disable_client_cookies, $q_config['disable_client_cookies']);
$use_secure_cookie = qtrans_validateBool($use_secure_cookie, $q_config['use_secure_cookie']);
$filter_all_options = qtrans_validateBool($filter_all_options, $q_config['filter_all_options']);
// url fix for upgrading users
$flag_location = trailingslashit(preg_replace('#^wp-content/#','',$flag_location));
// check for invalid permalink/url mode combinations
$permalink_structure = get_option('permalink_structure');
if($permalink_structure===""||strpos($permalink_structure,'?')!==false||strpos($permalink_structure,'index.php')!==false) $url_mode = QT_URL_QUERY;
// overwrite default values with loaded values
$q_config['date_format'] = $date_formats;
$q_config['time_format'] = $time_formats;
$q_config['not_available'] = $na_messages;
$q_config['locale'] = $locales;
$q_config['flag'] = array_merge($q_config['flag'], $flags);
$q_config['language_name'] = $language_names;
$q_config['enabled_languages'] = $enabled_languages;
$q_config['default_language'] = $default_language;
$q_config['flag_location'] = $flag_location;
$q_config['use_strftime'] = $use_strftime;
$val=explode(',', QT_IGNORE_FILE_TYPES);
if(!empty($ignore_file_types)){
$vals=preg_split('/[\s,]+/', strtolower($ignore_file_types));
foreach($vals as $v){
if(empty($v)) continue;
if(in_array($v,$val)) continue;
$val[]=$v;
}
}
$q_config['ignore_file_types'] = $val;
$q_config['url_mode'] = $url_mode;
$q_config['term_name'] = $term_name;
$q_config['allowed_custom_post_types'] = $allowed_custom_post_types;
$q_config['disable_client_cookies'] = $disable_client_cookies;
$q_config['use_secure_cookie'] = $use_secure_cookie;
$q_config['filter_all_options'] = $filter_all_options;
do_action('qtranslate_loadConfig');
}
function qtrans_update_option($nm) {
global $q_config;
update_option('mqtranslate_'.$nm, $q_config[$nm]);
}
function qtrans_update_option_bool($nm) {
global $q_config;
if($q_config[$nm])
update_option('mqtranslate_'.$nm, '1');
else
update_option('mqtranslate_'.$nm, '0');
}
// saves entire configuration
function qtrans_saveConfig() {
global $q_config;
// save everything
update_option('mqtranslate_language_names', $q_config['language_name']);
update_option('mqtranslate_enabled_languages', $q_config['enabled_languages']);
update_option('mqtranslate_default_language', $q_config['default_language']);
update_option('mqtranslate_flag_location', $q_config['flag_location']);
update_option('mqtranslate_flags', $q_config['flag']);
update_option('mqtranslate_locales', $q_config['locale']);
update_option('mqtranslate_na_messages', $q_config['not_available']);
update_option('mqtranslate_date_formats', $q_config['date_format']);
update_option('mqtranslate_time_formats', $q_config['time_format']);
update_option('mqtranslate_ignore_file_types', implode(',', $q_config['ignore_file_types']));
update_option('mqtranslate_url_mode', $q_config['url_mode']);
update_option('mqtranslate_term_name', $q_config['term_name']);
update_option('mqtranslate_use_strftime', $q_config['use_strftime']);
update_option('mqtranslate_custom_fields', $q_config['custom_fields']);
qtrans_update_option('custom_fields');
qtrans_update_option('custom_field_classes');
qtrans_update_option('text_field_filters');
qtrans_update_option_bool('detect_browser_language');
qtrans_update_option_bool('hide_untranslated');
qtrans_update_option_bool('show_displayed_language_prefix');
qtrans_update_option_bool('auto_update_mo');
qtrans_update_option_bool('hide_default_language');
update_option('mqtranslate_allowed_custom_post_types', implode(',', $q_config['allowed_custom_post_types']));
qtrans_update_option_bool('disable_header_css');
qtrans_update_option_bool('disable_client_cookies');
qtrans_update_option_bool('use_secure_cookie');
qtrans_update_option_bool('filter_all_options');
do_action('qtranslate_saveConfig');
}
function qtrans_updateGettextDatabaseFile($lcr,$mo){
$tmpfile=$mo.'.filepart';
$ll = fopen($tmpfile,'w');
if(!$ll) return false;
while(!feof($lcr)) {
// try to get some more time
@set_time_limit(30);
$lc = fread($lcr, 8192);
if(!$lc){
fclose($lcr);
fclose($ll);
unlink($tmpfile);
return false;
}
fwrite($ll,$lc);
}
fclose($lcr);
fclose($ll);
// only use completely download .mo files
rename($tmpfile,$mo);
return true;
}
function qtrans_updateGettextDatabaseFiles($lcr,$locale,$dstdir,$srcdir){
if($lcr){
$mo=$dstdir.$locale.'.mo';
qtrans_updateGettextDatabaseFile($lcr,$mo);
}
if(!$srcdir) return;
}
function qtrans_updateGettextDatabase($locale,$repository){
$dstdir=trailingslashit(WP_LANG_DIR);
$tmpfile=$dstdir.$locale.'.mo.filepart';
if(!$ll = @fopen($tmpfile,'a'))
return false; // cannot access .mo file
fclose($ll);
$m='';
$wp_version = $GLOBALS['wp_version'];
// try to find a .mo file
if(!($locale == 'en_US' && $lcr=@fopen('http://www.qianqin.de/wp-content/languages/'.$locale.'.mo','r')))
if(!$lcr=@fopen(($m=$repository.$locale.'/tags/'.$wp_version.'/messages/').$locale.'.mo','r'))
if(!$lcr=@fopen(($m=$repository.substr($locale,0,2).'/tags/'.$wp_version.'/messages/').$locale.'.mo','r'))
if(!$lcr=@fopen(($m=$repository.$locale.'/branches/'.$wp_version.'/messages/').$locale.'.mo','r'))
if(!$lcr=@fopen(($m=$repository.substr($locale,0,2).'/branches/'.$wp_version.'/messages/').$locale.'.mo','r'))
if(!$lcr=@fopen($repository.$locale.'/branches/'.$wp_version.'/'.$locale.'.mo','r'))
if(!$lcr=@fopen($repository.substr($locale,0,2).'/branches/'.$wp_version.'/'.$locale.'.mo','r'))
if(!$lcr=@fopen($repository.$locale.'/trunk/messages/'.$locale.'.mo','r'))
if(!$lcr=@fopen($repository.substr($locale,0,2).'/trunk/messages/'.$locale.'.mo','r'))
{
$tagsfile=file($repository.$locale.'/tags/');
$tags=array();
foreach( $tagsfile as $ln ){
if(!preg_match('/href="(\d.*)"/',$ln,$match)) continue;
$tag=$match[1];
$tags[]=$tag;
}
$tags=array_reverse($tags);
foreach( $tags as $tag ){
$m=$repository.$locale.'/tags/'.$tag.'messages/';
$mo=$m.$locale.'.mo';
//if(file_exists())
if(!$lcr=@fopen($mo,'r')) continue;
break;
}
if(!$lcr){// couldn't find a .mo file
if(filesize($tmpfile)==0) unlink($tmpfile);
return false;
}
}
// found a .mo file, update local .mo
qtrans_updateGettextDatabaseFiles($lcr,$locale,$dstdir,$m);
return true;
}
function qtrans_updateGettextDatabases($force = false, $only_for_language = '') {
global $q_config, $wp_version;
if ($only_for_language && !qtrans_isEnabled($only_for_language)) return false;
if(!is_dir(WP_LANG_DIR)) {
if(!@mkdir(WP_LANG_DIR))
return false;
}
// Building major WP version
$patterns = array('/(_|\-|\+)/', '/(\D+)/', '/\.{2,}/');
$replacements = array('.', '.$1', '.');
$wp = preg_replace($patterns, $replacements, $wp_version);
$wp = array_slice(explode('.', $wp), 0, 2);
$major_wp_version = implode('.', $wp);
$next_update = get_option('mqtranslate_next_update_mo');
if(time() < $next_update && !$force) return true;
update_option('mqtranslate_next_update_mo', time() + 7*24*60*60);
$repository='http://svn.automattic.com/wordpress-i18n/';
foreach($q_config['locale'] as $lang => $locale) {
if($only_for_language && $lang != $only_for_language) continue;
if(!qtrans_isEnabled($lang)) continue;
qtrans_updateGettextDatabase($locale,$repository);
}
return true;
}
function qtrans_updateTermLibrary() {
global $q_config;
if(!isset($_POST['action'])) return;
switch($_POST['action']) {
case 'editedtag':
case 'addtag':
case 'editedcat':
case 'addcat':
case 'add-cat':
case 'add-tag':
case 'add-link-cat':
if(isset($_POST['qtrans_term_'.$q_config['default_language']]) && $_POST['qtrans_term_'.$q_config['default_language']]!='') {
$default = htmlspecialchars(qtrans_stripSlashesIfNecessary($_POST['qtrans_term_'.$q_config['default_language']]), ENT_NOQUOTES);
if(!isset($q_config['term_name'][$default]) || !is_array($q_config['term_name'][$default])) $q_config['term_name'][$default] = array();
foreach($q_config['enabled_languages'] as $lang) {
$_POST['qtrans_term_'.$lang] = qtrans_stripSlashesIfNecessary($_POST['qtrans_term_'.$lang]);
if($_POST['qtrans_term_'.$lang]!='') {
$q_config['term_name'][$default][$lang] = htmlspecialchars($_POST['qtrans_term_'.$lang], ENT_NOQUOTES);
} else {
$q_config['term_name'][$default][$lang] = $default;
}
}
update_option('mqtranslate_term_name',$q_config['term_name']);
}
break;
}
}
/* BEGIN DATE TIME FUNCTIONS */
function qtrans_strftime($format, $date, $default = '', $before = '', $after = '') {
// don't do anything if format is not given
if($format=='') return $default;
// add date suffix ability (%q) to strftime
$day = intval(ltrim(strftime("%d",$date),'0'));
$search = array();
$replace = array();
// date S
$search[] = '/(([^%])%q|^%q)/';
if($day==1||$day==21||$day==31) {
$replace[] = '$2st';
} elseif($day==2||$day==22) {
$replace[] = '$2nd';
} elseif($day==3||$day==23) {
$replace[] = '$2rd';
} else {
$replace[] = '$2th';
}
$search[] = '/(([^%])%E|^%E)/'; $replace[] = '${2}'.$day; // date j
$search[] = '/(([^%])%f|^%f)/'; $replace[] = '${2}'.date('w',$date); // date w
$search[] = '/(([^%])%F|^%F)/'; $replace[] = '${2}'.date('z',$date); // date z
$search[] = '/(([^%])%i|^%i)/'; $replace[] = '${2}'.date('n',$date); // date i
$search[] = '/(([^%])%J|^%J)/'; $replace[] = '${2}'.date('t',$date); // date t
$search[] = '/(([^%])%k|^%k)/'; $replace[] = '${2}'.date('L',$date); // date L
$search[] = '/(([^%])%K|^%K)/'; $replace[] = '${2}'.date('B',$date); // date B
$search[] = '/(([^%])%l|^%l)/'; $replace[] = '${2}'.date('g',$date); // date g
$search[] = '/(([^%])%L|^%L)/'; $replace[] = '${2}'.date('G',$date); // date G
$search[] = '/(([^%])%N|^%N)/'; $replace[] = '${2}'.date('u',$date); // date u
$search[] = '/(([^%])%Q|^%Q)/'; $replace[] = '${2}'.date('e',$date); // date e
$search[] = '/(([^%])%o|^%o)/'; $replace[] = '${2}'.date('I',$date); // date I
$search[] = '/(([^%])%O|^%O)/'; $replace[] = '${2}'.date('O',$date); // date O
$search[] = '/(([^%])%v|^%v)/'; $replace[] = '${2}'.date('T',$date); // date T
$search[] = '/(([^%])%1|^%1)/'; $replace[] = '${2}'.date('Z',$date); // date Z
$search[] = '/(([^%])%2|^%2)/'; $replace[] = '${2}'.date('c',$date); // date c
$search[] = '/(([^%])%3|^%3)/'; $replace[] = '${2}'.date('r',$date); // date r
$search[] = '/(([^%])%4|^%4)/'; $replace[] = '${2}'.date('P',$date); // date P
$format = preg_replace($search,$replace,$format);
return $before.strftime($format, $date).$after;
}
function qtrans_dateFromPostForCurrentLanguage($old_date, $format ='', $before = '', $after = '') {
global $post, $q_config;
$ts = mysql2date('U', $post->post_date);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertDateFormat($format), $ts, $old_date, $before, $after);
}
function qtrans_dateModifiedFromPostForCurrentLanguage($old_date, $format ='') {
global $post, $q_config;
$ts = mysql2date('U', $post->post_modified);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertDateFormat($format), $ts, $old_date);
}
function qtrans_timeFromPostForCurrentLanguage($old_date, $format = '', $post = null, $gmt = false) {
global $q_config;
$post = get_post($post);
$post_date = $gmt? $post->post_date_gmt : $post->post_date;
$ts = mysql2date('U',$post_date);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertTimeFormat($format), $ts, $old_date);
}
function qtrans_timeModifiedFromPostForCurrentLanguage($old_date, $format = '', $gmt = false) {
global $post, $q_config;
$post_date = $gmt ? $post->post_modified_gmt : $post->post_modified;
$ts = mysql2date('U',$post_date);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertTimeFormat($format), $ts, $old_date);
}
function qtrans_dateFromCommentForCurrentLanguage($old_date, $format ='') {
global $comment, $q_config;
$ts = mysql2date('U',$comment->comment_date);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertDateFormat($format), $ts, $old_date);
}
function qtrans_timeFromCommentForCurrentLanguage($old_date, $format = '', $gmt = false, $translate = true) {
if(!$translate) return $old_date;
global $comment, $q_config;
$comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
$ts = mysql2date('U',$comment_date);
if ($format == 'U')
return $ts;
$format = qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($format);
if (!empty($format) && $q_config['use_strftime'] == QT_STRFTIME)
$format = qtrans_convertDateFormatToStrftimeFormat($format);
return qtrans_strftime(qtrans_convertTimeFormat($format), $ts, $old_date);
}
/* END DATE TIME FUNCTIONS */
function qtrans_useTermLib($obj) {
global $q_config;
if(is_array($obj)) {
// handle arrays recursively
foreach($obj as $key => $t) {
$obj[$key] = qtrans_useTermLib($obj[$key]);
}
return $obj;
}
if(is_object($obj)) {
// object conversion
if(isset($q_config['term_name'][$obj->name][$q_config['language']])) {
$obj->name = $q_config['term_name'][$obj->name][$q_config['language']];
}
} elseif(isset($q_config['term_name'][$obj][$q_config['language']])) {
$obj = $q_config['term_name'][$obj][$q_config['language']];
}
return $obj;
}
function qtrans_convertBlogInfoURL($url, $what) {
if($what=='stylesheet_url') return $url;
if($what=='template_url') return $url;
if($what=='template_directory') return $url;
if($what=='stylesheet_directory') return $url;
return qtrans_convertURL($url);
}
// check if it is a link to an ignored file type
function qtrans_ignored_file_type($path) {
global $q_config;
$i=strpos($path,'?');
if ($i!==FALSE)
$path=substr($path,0,$i);
$i=strpos($path,'#');
if($i!==FALSE)
$path=substr($path,0,$i);
$i=strrpos($path,'.');
if($i===FALSE) return false;
$ext=substr($path,$i+1);
return in_array($ext, $q_config['ignore_file_types']);
}
function qtrans_language_nutral_path($path) {
if(preg_match("#^(wp-comments-post.php|wp-login.php|wp-signup.php|wp-register.php|wp-cron.php|wp-admin/)#", $path)) return true;
if(qtrans_ignored_file_type($path)) return true;
return false;
}
function qtrans_convertURL($url='', $lang='', $forceadmin = false, $showDefaultLanguage = false) {
global $q_config;
// invalid language
if($url=='') $url = esc_url($q_config['url_info']['url']);
if($lang=='') $lang = $q_config['language'];
if(defined('WP_ADMIN')&&!$forceadmin) return $url;
if(!qtrans_isEnabled($lang)) return "";
// & workaround
$url = str_replace('&','&',$url);
$url = str_replace('&','&',$url);
// check for trailing slash
$nottrailing = (strpos($url,'?')===false && strpos($url,'#')===false && substr($url,-1,1)!='/');
// check if it's an external link
$urlinfo = qtrans_parseURL($url);
$home = rtrim(qtrans_getHome(),"/");
if($urlinfo['host']!='') {
// check for already existing pre-domain language information
if($q_config['url_mode'] == QT_URL_DOMAIN && preg_match("#^([a-z]{2}).#i",$urlinfo['host'],$match)) {
if(qtrans_isEnabled($match[1])) {
// found language information, remove it
$url = preg_replace("/".$match[1]."\./i","",$url, 1);
// reparse url
$urlinfo = qtrans_parseURL($url);
}
}
if(substr($url,0,strlen($home))!=$home) {
return $url;
}
// strip home path
$url = substr($url,strlen($home));
if ($url === false)
$url = '';
} else {
// relative url, strip home path
$homeinfo = qtrans_parseURL($home);
if($homeinfo['path']==substr($url,0,strlen($homeinfo['path']))) {
$url = substr($url,strlen($homeinfo['path']));
}
}
// check for query language information and remove if found
if (preg_match("#(&|\?)lang=([^&\#]+)#i",$url,$match) && qtrans_isEnabled($match[2]))
$url = preg_replace("#(&|\?)lang=".$match[2]."&?#i","$1",$url);
// remove any slashes out front
$url = ltrim($url,"/");
// remove any useless trailing characters
$url = rtrim($url,"?&");
// reparse url without home path
$urlinfo = qtrans_parseURL($url);
// ignore wp internal links
if (qtrans_language_nutral_path($url))
return $home."/".$url;
switch($q_config['url_mode']) {
case QT_URL_PATH: // pre url
// might already have language information
if(preg_match("#^([a-z]{2})/#i",$url,$_match)) {
if(qtrans_isEnabled($_match[1])) {
// found language information, remove it
$url = substr($url, 3);
}
}
if(!$q_config['hide_default_language']||$lang!=$q_config['default_language']||$showDefaultLanguage)
$url = $lang."/".$url;
break;
case QT_URL_DOMAIN: // pre domain
// might already have language information
if (preg_match('#//([a-z]{2})\.#i', $url, $_match)) {
if (qtrans_isEnabled($_match[1]))
$url = preg_replace("#//{$_match[1]}\.#i", '//', $url);
}
if (!$q_config['hide_default_language']||$lang!=$q_config['default_language']||$showDefaultLanguage)
$home = preg_replace("#//#","//{$lang}.",$home,1);
break;
default: // query
// might already have language information
if (preg_match('#(&|\?)lang=([a-zA-Z]{2})&?#', $url, $_match)) {
if (qtrans_isEnabled($_match[1]))
$url = preg_replace("#(&|/?)lang={$_match[1]}&?#", "$1", $url);
}
if(!$q_config['hide_default_language']||$lang!=$q_config['default_language']||$showDefaultLanguage){
if (strpos($url,'?') === false)
$url .= '?';
else
$url .= '&';
$url .= "lang=".$lang;
}
}
// see if cookies are activated
if(!$q_config['cookie_enabled'] && !$q_config['url_info']['internal_referer'] && $urlinfo['path'] == '' && $lang == $q_config['default_language'] && $q_config['language'] != $q_config['default_language'] && $q_config['hide_default_language'] && !$showDefaultLanguage && !empty($match[2])) {
// :( now we have to make unpretty URLs
$url = preg_replace("#(&|\?)lang=[^&]+&?#i","$1",$url);
if(strpos($url,'?')===false) {
$url .= '?';
} else {
$url .= '&';
}
$url .= "lang=".$lang;
}
// & workaround
$complete = str_replace('&','&',$home."/".$url);
// remove trailing slash if there wasn't one to begin with
if($nottrailing && strpos($complete,'?')===false && strpos($complete,'#')===false && substr($complete,-1,1)=='/')
$complete = substr($complete,0,-1);
return $complete;
}
// splits text with language tags into array
/*
function qtrans_split($text, $quicktags = true, array &$languageMap = NULL) {
global $q_config;
//init vars
$split_regex = "#(<!--[^-]*-->|\[:[a-z]{2}\])#ism";
$current_language = "";
$result = array();
foreach($q_config['enabled_languages'] as $language)
$result[$language] = "";
// split text at all xml comments
$blocks = preg_split($split_regex, $text, -1, PREG_SPLIT_NO_EMPTY|PREG_SPLIT_DELIM_CAPTURE);
foreach ($blocks as $block) {
# detect language tags
if (preg_match("#^<!--:([a-z]{2})-->$#ismS", $block, $matches)) {
if (qtrans_isEnabled($matches[1])) {
$current_language = $matches[1];
$languageMap[$current_language] = false;
} else
$current_language = "invalid";
continue;
// detect quicktags
} elseif ($quicktags && preg_match("#^\[:([a-z]{2})\]$#ismS", $block, $matches)) {
if (qtrans_isEnabled($matches[1])) {
$current_language = $matches[1];
$languageMap[$current_language] = true;
}
else
$current_language = "invalid";
continue;
// detect ending tags
} elseif ($block == '<!--:-->') {
$current_language = "";
continue;
// detect defective more tag
} elseif ($block == '<!--more-->') {
foreach ($q_config['enabled_languages'] as $language)
$result[$language] .= $block;
continue;
}
// correctly categorize text block
if ($current_language == "") {
// general block, add to all languages
foreach ($q_config['enabled_languages'] as $language)
$result[$language] .= $block;
} elseif($current_language != "invalid") {
// specific block, only add to active language
$result[$current_language] .= $block;
}
}
foreach ($result as $lang => $lang_content)
$result[$lang] = preg_replace("#(<!--more-->|<!--nextpage-->)+$#ismS","",$lang_content);
return $result;
}
*/
function qtrans_split($text, $quicktags = true, array &$languageMap = NULL) {
global $q_config;
$split_regex = "#(<!--:[a-z]{2}-->|<!--:-->|\[:[a-z]{2}\])#ism";
$result = array();
foreach ($q_config['enabled_languages'] as $language)
$result[$language] = '';
// split text at all language comments and quick tags
$blocks = preg_split($split_regex, $text, -1, PREG_SPLIT_NO_EMPTY|PREG_SPLIT_DELIM_CAPTURE);
$current_language = false;
foreach($blocks as $block) {
# detect language tags
if (preg_match("#^<!--:([a-z]{2})-->$#ism", $block, $matches)) {
if (qtrans_isEnabled($matches[1])) {
$current_language = $matches[1];
if ($languageMap !== NULL)