name : qtranslate_core.php <?php // encoding: utf-8 /* Copyright 2008 Qian Qin (email : mail@qianqin.de) 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 */ /* qTranslate Core Functions */ function qtrans_init() { global $q_config; // check if it isn't already initialized if(defined('QTRANS_INIT')) return; define('QTRANS_INIT',true); // load configuration if not beeing reseted if(isset($_POST['qtranslate_reset']) && isset($_POST['qtranslate_reset2']) && defined('WP_ADMIN') && current_user_can('manage_options')) { // reset all settings delete_option('qtranslate_language_names'); delete_option('qtranslate_enabled_languages'); delete_option('qtranslate_default_language'); delete_option('qtranslate_flag_location'); delete_option('qtranslate_flags'); delete_option('qtranslate_locales'); delete_option('qtranslate_na_messages'); delete_option('qtranslate_date_formats'); delete_option('qtranslate_time_formats'); delete_option('qtranslate_use_strftime'); delete_option('qtranslate_ignore_file_types'); delete_option('qtranslate_url_mode'); delete_option('qtranslate_detect_browser_language'); delete_option('qtranslate_hide_untranslated'); delete_option('qtranslate_auto_update_mo'); delete_option('qtranslate_next_update_mo'); delete_option('qtranslate_hide_default_language'); if(isset($_POST['qtranslate_reset3'])) { delete_option('qtranslate_term_name'); } } qtrans_loadConfig(); if(isset($_COOKIE['qtrans_cookie_test'])) { $q_config['cookie_enabled'] = true; } else { $q_config['cookie_enabled'] = false; } // init Javascript functions qtrans_initJS(); // update Gettext Databases if on Backend if(defined('WP_ADMIN') && $q_config['auto_update_mo']) qtrans_updateGettextDatabases(); // update definitions if neccesary if(defined('WP_ADMIN') && current_user_can('manage_categories')) qtrans_updateTermLibrary(); // extract url information $q_config['url_info'] = qtrans_extractURL($_SERVER['REQUEST_URI'], $_SERVER["HTTP_HOST"], isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : ''); // set test cookie setcookie('qtrans_cookie_test', 'qTranslate Cookie Test', 0, $q_config['url_info']['home'], $q_config['url_info']['host']); // check cookies for admin if(defined('WP_ADMIN')) { if(isset($_GET['lang']) && qtrans_isEnabled($_GET['lang'])) { $q_config['language'] = $q_config['url_info']['language']; setcookie('qtrans_admin_language', $q_config['language'], time()+60*60*24*30); } elseif(isset($_COOKIE['qtrans_admin_language']) && qtrans_isEnabled($_COOKIE['qtrans_admin_language'])) { $q_config['language'] = $_COOKIE['qtrans_admin_language']; } else { $q_config['language'] = $q_config['default_language']; } } else { $q_config['language'] = $q_config['url_info']['language']; } $q_config['language'] = apply_filters('qtranslate_language', $q_config['language']); // detect language and forward if needed if($q_config['detect_browser_language'] && $q_config['url_info']['redirect'] && !isset($_COOKIE['qtrans_cookie_test']) && $q_config['url_info']['language'] == $q_config['default_language']) { $target = false; $prefered_languages = array(); if(isset($_SERVER["HTTP_ACCEPT_LANGUAGE"]) && preg_match_all("#([^;,]+)(;[^,0-9]*([0-9\.]+)[^,]*)?#i",$_SERVER["HTTP_ACCEPT_LANGUAGE"], $matches, PREG_SET_ORDER)) { $priority = 1.0; foreach($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($language)) { if($q_config['hide_default_language'] && $language == $q_config['default_language']) break; $target = qtrans_convertURL(get_option('home'),$language); break; } } } $target = apply_filters("qtranslate_language_detect_redirect", $target); if($target !== false) { wp_redirect($target); exit(); } } /* // Check for WP Secret Key Missmatch global $wp_default_secret_key; if(strpos($q_config['url_info']['url'],'wp-login.php')!==false && defined('AUTH_KEY') && isset($wp_default_secret_key) && $wp_default_secret_key != AUTH_KEY) { global $error; $error = __('Your $wp_default_secret_key is mismatchting with your AUTH_KEY. This might cause you not to be able to login anymore.','qtranslate'); } */ // Filter all options for language tags if(!defined('WP_ADMIN')) { $alloptions = wp_load_alloptions(); foreach($alloptions as $option => $value) { add_filter('option_'.$option, 'qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage',0); } } // load plugin translations load_plugin_textdomain('qtranslate', false, dirname(plugin_basename( __FILE__ )).'/lang'); // remove traces of language (or better not?) //unset($_GET['lang']); $_SERVER['REQUEST_URI'] = $q_config['url_info']['url']; $_SERVER['HTTP_HOST'] = $q_config['url_info']['host']; // fix url to prevent xss $q_config['url_info']['url'] = qtrans_convertURL(add_query_arg('lang',$q_config['default_language'],$q_config['url_info']['url'])); } // returns cleaned string and language information function qtrans_extractURL($url, $host = '', $referer = '') { global $q_config; $home = qtrans_parseURL(get_option('home')); $home['path'] = trailingslashit($home['path']); $referer = qtrans_parseURL($referer); $result = array(); $result['language'] = $q_config['default_language']; $result['url'] = $url; $result['original_url'] = $url; $result['host'] = $host; $result['redirect'] = false; $result['internal_referer'] = false; $result['home'] = $home['path']; switch($q_config['url_mode']) { 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,$match)) { if(qtrans_isEnabled($match[1])) { // found language information $result['language'] = $match[1]; $result['url'] = $home['path'].substr($url, 3); } } } break; case QT_URL_DOMAIN: // pre domain if($host) { if(preg_match("#^([a-z]{2}).#i",$host,$match)) { if(qtrans_isEnabled($match[1])) { // found language information $result['language'] = $match[1]; $result['host'] = substr($host, 3); } } } break; } // check if referer is internal if($referer['host']==$result['host'] && qtrans_startsWith($referer['path'], $home['path'])) { // user coming from internal link $result['internal_referer'] = true; } if(isset($_GET['lang']) && qtrans_isEnabled($_GET['lang'])) { // language override given $result['language'] = $_GET['lang']; $result['url'] = preg_replace("#(&|\?)lang=".$result['language']."&?#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'],$match)) { if(qtrans_isEnabled($match[1])) { // found language information $referer['host'] = substr($referer['host'], 3); } } if(!$result['internal_referer']) { // user coming from external link $result['redirect'] = true; } } } return $result; } function qtrans_validateBool($var, $default) { if($var==='0') return false; elseif($var==='1') return true; else return $default; } // loads config via get_option and defaults to values set on top function qtrans_loadConfig() { global $q_config; // Load everything $language_names = get_option('qtranslate_language_names'); $enabled_languages = get_option('qtranslate_enabled_languages'); $default_language = get_option('qtranslate_default_language'); $flag_location = get_option('qtranslate_flag_location'); $flags = get_option('qtranslate_flags'); $locales = get_option('qtranslate_locales'); $na_messages = get_option('qtranslate_na_messages'); $date_formats = get_option('qtranslate_date_formats'); $time_formats = get_option('qtranslate_time_formats'); $use_strftime = get_option('qtranslate_use_strftime'); $ignore_file_types = get_option('qtranslate_ignore_file_types'); $url_mode = get_option('qtranslate_url_mode'); $detect_browser_language = get_option('qtranslate_detect_browser_language'); $hide_untranslated = get_option('qtranslate_hide_untranslated'); $auto_update_mo = get_option('qtranslate_auto_update_mo'); $term_name = get_option('qtranslate_term_name'); $hide_default_language = get_option('qtranslate_hide_default_language'); // default if not set if(!is_array($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 = $q_config['term_name']; if(empty($ignore_file_types)) $ignore_file_types = $q_config['ignore_file_types']; if(empty($default_language)) $default_language = $q_config['default_language']; if(empty($use_strftime)) $use_strftime = $q_config['use_strftime']; if(empty($url_mode)) $url_mode = $q_config['url_mode']; if(!is_string($flag_location) || $flag_location==='') $flag_location = $q_config['flag_location']; $detect_browser_language = qtrans_validateBool($detect_browser_language, $q_config['detect_browser_language']); $hide_untranslated = qtrans_validateBool($hide_untranslated, $q_config['hide_untranslated']); $auto_update_mo = qtrans_validateBool($auto_update_mo, $q_config['auto_update_mo']); $hide_default_language = qtrans_validateBool($hide_default_language, $q_config['hide_default_language']); // 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'] = $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; $q_config['ignore_file_types'] = $ignore_file_types; $q_config['url_mode'] = $url_mode; $q_config['detect_browser_language'] = $detect_browser_language; $q_config['hide_untranslated'] = $hide_untranslated; $q_config['auto_update_mo'] = $auto_update_mo; $q_config['hide_default_language'] = $hide_default_language; $q_config['term_name'] = $term_name; do_action('qtranslate_loadConfig'); } // saves entire configuration function qtrans_saveConfig() { global $q_config; // save everything update_option('qtranslate_language_names', $q_config['language_name']); update_option('qtranslate_enabled_languages', $q_config['enabled_languages']); update_option('qtranslate_default_language', $q_config['default_language']); update_option('qtranslate_flag_location', $q_config['flag_location']); update_option('qtranslate_flags', $q_config['flag']); update_option('qtranslate_locales', $q_config['locale']); update_option('qtranslate_na_messages', $q_config['not_available']); update_option('qtranslate_date_formats', $q_config['date_format']); update_option('qtranslate_time_formats', $q_config['time_format']); update_option('qtranslate_ignore_file_types', $q_config['ignore_file_types']); update_option('qtranslate_url_mode', $q_config['url_mode']); update_option('qtranslate_term_name', $q_config['term_name']); update_option('qtranslate_use_strftime', $q_config['use_strftime']); if($q_config['detect_browser_language']) update_option('qtranslate_detect_browser_language', '1'); else update_option('qtranslate_detect_browser_language', '0'); if($q_config['hide_untranslated']) update_option('qtranslate_hide_untranslated', '1'); else update_option('qtranslate_hide_untranslated', '0'); if($q_config['auto_update_mo']) update_option('qtranslate_auto_update_mo', '1'); else update_option('qtranslate_auto_update_mo', '0'); if($q_config['hide_default_language']) update_option('qtranslate_hide_default_language', '1'); else update_option('qtranslate_hide_default_language', '0'); do_action('qtranslate_saveConfig'); } function qtrans_updateGettextDatabases($force = false, $only_for_language = '') { global $q_config; if(!is_dir(WP_LANG_DIR)) { if(!@mkdir(WP_LANG_DIR)) return false; } $next_update = get_option('qtranslate_next_update_mo'); if(time() < $next_update && !$force) return true; update_option('qtranslate_next_update_mo', time() + 7*24*60*60); foreach($q_config['locale'] as $lang => $locale) { if(qtrans_isEnabled($only_for_language) && $lang != $only_for_language) continue; if(!qtrans_isEnabled($lang)) continue; if($ll = @fopen(trailingslashit(WP_LANG_DIR).$locale.'.mo.filepart','a')) { // can access .mo file fclose($ll); // try to find a .mo file if(!($locale == 'en_US' && $lcr = @fopen('http://www.qianqin.de/wp-content/languages/'.$locale.'.mo','r'))) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.$locale.'/tags/'.$GLOBALS['wp_version'].'/messages/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.substr($locale,0,2).'/tags/'.$GLOBALS['wp_version'].'/messages/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.$locale.'/branches/'.$GLOBALS['wp_version'].'/messages/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.substr($locale,0,2).'/branches/'.$GLOBALS['wp_version'].'/messages/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.$locale.'/branches/'.$GLOBALS['wp_version'].'/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.substr($locale,0,2).'/branches/'.$GLOBALS['wp_version'].'/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.$locale.'/trunk/messages/'.$locale.'.mo','r')) if(!$lcr = @fopen('http://svn.automattic.com/wordpress-i18n/'.substr($locale,0,2).'/trunk/messages/'.$locale.'.mo','r')) { // couldn't find a .mo file if(filesize(trailingslashit(WP_LANG_DIR).$locale.'.mo.filepart')==0) unlink(trailingslashit(WP_LANG_DIR).$locale.'.mo.filepart'); continue; } // found a .mo file, update local .mo $ll = fopen(trailingslashit(WP_LANG_DIR).$locale.'.mo.filepart','w'); while(!feof($lcr)) { // try to get some more time @set_time_limit(30); $lc = fread($lcr, 8192); fwrite($ll,$lc); } fclose($lcr); fclose($ll); // only use completely download .mo files rename(trailingslashit(WP_LANG_DIR).$locale.'.mo.filepart',trailingslashit(WP_LANG_DIR).$locale.'.mo'); } } 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] = $default; } } update_option('qtranslate_term_name',$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[] = '/(([^%])%s|^%s)/'; $replace[] = '${2}'.date('P',$date); // date P $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; // date U $format = preg_replace($search,$replace,$format); return $before.strftime($format, $date).$after; } function qtrans_dateFromPostForCurrentLanguage($old_date, $format ='', $before = '', $after = '') { global $post; return qtrans_strftime(qtrans_convertDateFormat($format), mysql2date('U',$post->post_date), $old_date, $before, $after); } function qtrans_dateModifiedFromPostForCurrentLanguage($old_date, $format ='') { global $post; return qtrans_strftime(qtrans_convertDateFormat($format), mysql2date('U',$post->post_modified), $old_date); } function qtrans_timeFromPostForCurrentLanguage($old_date, $format = '', $post = null, $gmt = false) { $post = get_post($post); $post_date = $gmt? $post->post_date_gmt : $post->post_date; return qtrans_strftime(qtrans_convertTimeFormat($format), mysql2date('U',$post_date), $old_date); } function qtrans_timeModifiedFromPostForCurrentLanguage($old_date, $format = '', $gmt = false) { global $post; $post_date = $gmt? $post->post_modified_gmt : $post->post_modified; return qtrans_strftime(qtrans_convertTimeFormat($format), mysql2date('U',$post_date), $old_date); } function qtrans_dateFromCommentForCurrentLanguage($old_date, $format ='') { global $comment; return qtrans_strftime(qtrans_convertDateFormat($format), mysql2date('U',$comment->comment_date), $old_date); } function qtrans_timeFromCommentForCurrentLanguage($old_date, $format = '', $gmt = false, $translate = true) { if(!$translate) return $old_date; global $comment; $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date; return qtrans_strftime(qtrans_convertTimeFormat($format), mysql2date('U',$comment_date), $old_date); } /* END DATE TIME FUNCTIONS */ function qtrans_useTermLib($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); } function qtrans_convertURL($url='', $lang='', $forceadmin = 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 $url = str_replace('&amp;','&',$url); $url = str_replace('&#038;','&',$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); $home = rtrim(get_option('home'),"/"); if($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)); } 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); // check if its a link to an ignored file type $ignore_file_types = preg_split('/\s*,\s*/', strtolower($q_config['ignore_file_types'])); $pathinfo = pathinfo($urlinfo['path']); if(isset($pathinfo['extension']) && in_array(strtolower($pathinfo['extension']), $ignore_file_types)) { return $home."/".$url; } // ignore wp internal links if(preg_match("#^(wp-login.php|wp-signup.php|wp-register.php|wp-admin/)#", $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']) $url = $lang."/".$url; break; case QT_URL_DOMAIN: // pre domain if(!$q_config['hide_default_language']||$lang!=$q_config['default_language']) $home = preg_replace("#//#","//".$lang.".",$home,1); break; default: // query if(!$q_config['hide_default_language']||$lang!=$q_config['default_language']){ 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']) { // :( now we have to make unpretty URLs $url = preg_replace("#(&|\?)lang=".$match[2]."&?#i","$1",$url); if(strpos($url,'?')===false) { $url .= '?'; } else { $url .= '&'; } $url .= "lang=".$lang; } // &amp; workaround $complete = str_replace('&','&amp;',$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) { 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 $block) { # detect language tags if(preg_match("#^<!--:([a-z]{2})-->$#ism", $block, $matches)) { if(qtrans_isEnabled($matches[1])) { $current_language = $matches[1]; } else { $current_language = "invalid"; } continue; // detect quicktags } elseif($quicktags && preg_match("#^\[:([a-z]{2})\]$#ism", $block, $matches)) { if(qtrans_isEnabled($matches[1])) { $current_language = $matches[1]; } else { $current_language = "invalid"; } continue; // detect ending tags } elseif(preg_match("#^<!--:-->$#ism", $block, $matches)) { $current_language = ""; continue; // detect defective more tag } elseif(preg_match("#^<!--more-->$#ism", $block, $matches)) { foreach($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-->)+$#ism","",$lang_content); } return $result; } function qtrans_join($texts) { global $q_config; if(!is_array($texts)) $texts = qtrans_split($texts, false); $split_regex = "#<!--more-->#ism"; $max = 0; $text = ""; foreach($q_config['enabled_languages'] as $language) { $texts[$language] = preg_split($split_regex, $texts[$language]); if(sizeof($texts[$language]) > $max) $max = sizeof($texts[$language]); } for($i=0;$i<$max;$i++) { if($i>=1) { $text .= '<!--more-->'; } foreach($q_config['enabled_languages'] as $language) { if(isset($texts[$language][$i]) && $texts[$language][$i] !== '') { $text .= '<!--:'.$language.'-->'.$texts[$language][$i].'<!--:-->'; } } } return $text; } function qtrans_disableLanguage($lang) { global $q_config; if(qtrans_isEnabled($lang)) { $new_enabled = array(); for($i = 0; $i < sizeof($q_config['enabled_languages']); $i++) { if($q_config['enabled_languages'][$i] != $lang) { $new_enabled[] = $q_config['enabled_languages'][$i]; } } $q_config['enabled_languages'] = $new_enabled; return true; } return false; } function qtrans_enableLanguage($lang) { global $q_config; if(qtrans_isEnabled($lang) || !isset($q_config['language_name'][$lang])) { return false; } $q_config['enabled_languages'][] = $lang; // force update of .mo files if ($q_config['auto_update_mo']) qtrans_updateGettextDatabases(true, $lang); return true; } function qtrans_use($lang, $text, $show_available=false) { global $q_config; // return full string if language is not enabled if(!qtrans_isEnabled($lang)) return $text; if(is_array($text)) { // handle arrays recursively foreach($text as $key => $t) { $text[$key] = qtrans_use($lang,$text[$key],$show_available); } return $text; } if(is_object($text)||@get_class($text) == '__PHP_Incomplete_Class') { foreach(get_object_vars($text) as $key => $t) { $text->$key = qtrans_use($lang,$text->$key,$show_available); } return $text; } // prevent filtering weird data types and save some resources if(!is_string($text) || $text == '') { return $text; } // get content $content = qtrans_split($text); // find available languages $available_languages = array(); foreach($content as $language => $lang_text) { $lang_text = trim($lang_text); if(!empty($lang_text)) $available_languages[] = $language; } // if no languages available show full text if(sizeof($available_languages)==0) return $text; // if content is available show the content in the requested language if(!empty($content[$lang])) { return $content[$lang]; } // content not available in requested language (bad!!) what now? if(!$show_available){ // check if content is available in default language, if not return first language found. (prevent empty result) if($lang!=$q_config['default_language']) return "(".$q_config['language_name'][$q_config['default_language']].") ".qtrans_use($q_config['default_language'], $text, $show_available); foreach($content as $language => $lang_text) { $lang_text = trim($lang_text); if(!empty($lang_text)) { return "(".$q_config['language_name'][$language].") ".$lang_text; } } } // display selection for available languages $available_languages = array_unique($available_languages); $language_list = ""; if(preg_match('/%LANG:([^:]*):([^%]*)%/',$q_config['not_available'][$lang],$match)) { $normal_seperator = $match[1]; $end_seperator = $match[2]; // build available languages string backward $i = 0; foreach($available_languages as $language) { if($i==1) $language_list = $end_seperator.$language_list; if($i>1) $language_list = $normal_seperator.$language_list; $language_list = "<a href=\"".qtrans_convertURL('', $language)."\">".$q_config['language_name'][$language]."</a>".$language_list; $i++; } } return "<p>".preg_replace('/%LANG:([^:]*):([^%]*)%/', $language_list, $q_config['not_available'][$lang])."</p>"; } function qtrans_showAllSeperated($text) { if(empty($text)) return $text; global $q_config; $result = ""; foreach(qtrans_getSortedLanguages() as $language) { $result .= $q_config['language_name'][$language].":\n".qtrans_use($language, $text)."\n\n"; } return $result; } ?>