PHP Tools_help::setcookie示例

 /**
  * 初始化多语言包，判断优先级：GET参数 > COOKIE > 浏览器ACCEPT_LANGUAGE > 默认zh_CN
  * @param Yaf_Dispatcher $dispatcher
  */
 public function _initI18n(Yaf_Dispatcher $dispatcher)
 {
     /*{{{*/
     if ($this->config['application']['site']['I18n']) {
         $lang_map = array('zh-cn' => 'zh_CN', 'zh-tw' => 'zh_TW', 'en-us' => 'en_US');
         //检查GET参数中的lang
         if (isset($_GET['lang']) && isset($lang_map[$_GET['lang']])) {
             $lang = $lang_map[$_GET['lang']];
             if (isset($_COOKIE['lang']) && $_GET['lang'] != $_COOKIE['lang'] || !isset($_COOKIE['lang'])) {
                 //若设置了lang，则写入cookie
                 Tools_help::setcookie('lang', $_GET['lang'], 86400 * 365);
             }
         }
         //若没有，检查COOKIE中的lang
         if (!isset($lang) && isset($_COOKIE['lang'])) {
             $lang = $lang_map[$_COOKIE['lang']];
         }
         //若没有，检查浏览器传的ACCEPT_LANGUAGE中首选
         if (!isset($lang) && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
             //"zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3"
             $arr = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
             foreach ($arr as $item) {
                 $temp = explode(';', $item);
                 if (isset($temp[0]) && isset($lang_map[$temp[0]])) {
                     $lang = $lang_map[$temp[0]];
                 }
                 break;
             }
         }
         //没有则设置为zh_CN
         if (!isset($lang) || !in_array($lang, array_values($lang_map))) {
             $lang = $lang_map['zh-cn'];
         }
         // 加载对应语言包
         $lang_arr = (require APP_PATH . 'conf/lang/' . $lang . '.php');
         Yaf_Registry::set('lang_arr', $lang_arr);
         // 记录
         Yaf_Registry::set('lang', $lang);
     }
 }