<?php
///phpinfo();
//i18n获取函数
function get_user_locale(){
    $langArray = array();
    if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && !isset($_GET['lang'])){
        //获取浏览器头部信息
        preg_match_all('/[\w\-]+,?[\w\-]*;q=\d+\.?\d?/',
                       $_SERVER['HTTP_ACCEPT_LANGUAGE'],$langMatch);
                       
          foreach ($langMatch[0] as $samePriorityItem){
          
            $item = explode(';q=',$samePriorityItem);
            $langPriority = (float)$item[1];
            $langName = explode(',',$item[0]);
                 
            foreach ($langName as $name){
                $name = preg_replace('/(\w+)-(\w+)?/e',
                                     "'\\1_'.strtoupper('\\2')", $name);
                $langArray[$name]=$langPriority;
            }
          }
    }
    elseif (isset($_GET['lang'])){
        $langArray[$_GET['lang']] = 0.9;
    }
    arsort($langArray);
    //var_dump($langArray);
    foreach ($langArray as $key => $value){
        if ($key=='zh'){$key='zh_CN';}
        elseif ($key == 'zh_TW' || $key =='zh_SG' ){ $key = 'zh_HK';}
        //FIXME dirty
        if (is_dir(dirname(__FILE__)."/locale/$key")){
            setlocale(LC_ALL, $key.'.utf8');
            bindtextdomain('index', dirname(__FILE__)."/locale");
            bind_textdomain_codeset('index','UTF-8');
            textdomain("index");
            //echo system('locale -a');
            return $key;
        }
    }
    return "en";
}
?>