X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=WEB-INF%2Flib%2FI18n.class.php;h=a9f1b43494c3fae36eae4f85071589552ed9090c;hb=e1703495130c8ed88fe210f50a2a6b453b3c566b;hp=0683f91f10d8e5d47444c97627c67217a1860871;hpb=da25ca5669ac88985d37a68392ed736ac03dcc3c;p=timetracker.git

diff --git a/WEB-INF/lib/I18n.class.php b/WEB-INF/lib/I18n.class.php
index 0683f91f..a9f1b434 100644
--- a/WEB-INF/lib/I18n.class.php
+++ b/WEB-INF/lib/I18n.class.php
@@ -124,25 +124,31 @@ class I18n {
     return file_exists($filename);
   }
 
+  // getBrowserLanguage() returns a first supported language from browser settings.
   function getBrowserLanguage()
   {
     $acclang = @$_SERVER['HTTP_ACCEPT_LANGUAGE'];
     if (empty($acclang)) {
-      return "";
+      return false;
     }
     $lang_prefs = explode(',', $acclang);
     foreach ($lang_prefs as $lang_pref) {
       $lang_pref_parts = explode(';', trim($lang_pref));
-      if ($this->hasLang($lang_pref_parts[0])) {
-        return $lang_pref_parts[0];
+      $lang = $lang_pref_parts[0];
+      if ($this->hasLang($lang)) {
+        return $lang; // Return full language designation (if available), such as pt-BR.
       }
-      $lang_parts = explode('-', trim($lang_pref_parts[0]));
+
+      if (strlen($lang) <= 2)
+        continue; // Do not bother determining main language because we already have it.
+
+      $lang_parts = explode('-', trim($lang));
       $lang_main = $lang_parts[0];
-      if ($this->hasLang($lang_main)) {
-        return $lang_main;
+      if ($lang_main != $lang && $this->hasLang($lang_main)) {
+        return $lang_main; // Return main language designation, such as pt.
       }
     }
-    return "";
+    return false;
   }
 
   // getLangFileList() returns a list of language files.