4 * @brief translation support
6 * Get the language setting directly from system variables, bypassing get_config()
7 * as database may not yet be configured.
9 * If possible, we use the value from the browser.
13 require_once("include/dba.php");
15 if(! function_exists('get_browser_language')) {
17 * @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
19 function get_browser_language() {
21 if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) {
22 // break up string into pieces (languages and q factors)
23 preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i',
24 $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
27 if (count($lang_parse[1])) {
28 // go through the list of prefered languages and add a generic language
29 // for sub-linguas (e.g. de-ch will add de) if not already in array
30 for ($i=0; $i<count($lang_parse[1]); $i++) {
31 $lang_list[] = strtolower($lang_parse[1][$i]);
32 if ( strlen($lang_parse[1][$i])>3 ) {
33 $dashpos = strpos($lang_parse[1][$i], '-');
34 if (! in_array(substr($lang_parse[1][$i], 0, $dashpos), $lang_list ) ) {
35 $lang_list[] = strtolower(substr($lang_parse[1][$i], 0, $dashpos));
42 // check if we have translations for the preferred languages and pick the 1st that has
43 for ($i=0; $i<count($lang_list); $i++) {
44 $lang = $lang_list[$i];
45 if(file_exists("view/lang/$lang") && is_dir("view/lang/$lang")) {
53 // in case none matches, get the system wide configured language, or fall back to English
55 return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
59 function push_lang($language) {
64 if($language === $lang)
67 if(isset($a->strings) && count($a->strings)) {
68 $a->stringsave = $a->strings;
70 $a->strings = array();
71 load_translation_table($language);
78 if($lang === $a->langsave)
81 if(isset($a->stringsave))
82 $a->strings = $a->stringsave;
84 $a->strings = array();
92 if(! function_exists('load_translation_table')) {
94 * load string translation table for alternate language
96 * first plugin strings are loaded, then globals
98 * @param string $lang language code to load
100 function load_translation_table($lang) {
103 $a->strings = array();
104 // load enabled plugins strings
105 $plugins = q("SELECT name FROM addon WHERE installed=1;");
106 if ($plugins!==false) {
107 foreach($plugins as $p) {
109 if(file_exists("addon/$name/lang/$lang/strings.php")) {
110 include("addon/$name/lang/$lang/strings.php");
115 if(file_exists("view/lang/$lang/strings.php")) {
116 include("view/lang/$lang/strings.php");
121 // translate string if translation exists
123 if(! function_exists('t')) {
128 if(x($a->strings,$s)) {
129 $t = $a->strings[$s];
130 return is_array($t)?$t[0]:$t;
135 if(! function_exists('tt')){
136 function tt($singular, $plural, $count){
140 if(x($a->strings,$singular)) {
141 $t = $a->strings[$singular];
142 $f = 'string_plural_select_' . str_replace('-','_',$lang);
143 if(! function_exists($f))
144 $f = 'string_plural_select_default';
146 return is_array($t)?$t[$k]:$t;
156 // provide a fallback which will not collide with
157 // a function defined in any language file
159 if(! function_exists('string_plural_select_default')) {
160 function string_plural_select_default($n) {
167 * @brief Return installed languages codes as associative array
169 * Scans the view/lang directory for the existence of "strings.php" files, and
170 * returns an alphabetical list of their folder names (@-char language codes).
171 * Adds the english language if it's missing from the list.
173 * Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
177 function get_available_languages() {
179 $strings_file_paths = glob('view/lang/*/strings.php');
181 if (is_array($strings_file_paths) && count($strings_file_paths)) {
182 if (!in_array('view/lang/en/strings.php', $strings_file_paths)) {
183 $strings_file_paths[] = 'view/lang/en/strings.php';
185 asort($strings_file_paths);
186 foreach($strings_file_paths as $strings_file_path) {
187 $path_array = explode('/', $strings_file_path);
188 $langs[$path_array[2]] = $path_array[2];