PHP gets/sets the language class of the user access page

name = $name; } // 设置cookie expire if(is_numeric($expire) && $expire>0){ $this->expire = intval($expire); } } /** 获取用户访问语言 */ public function get(){ // 判断用户是否有设置过语言 if(isset($_COOKIE[$this->name])){ $lang = $_COOKIE[$this->name]; }else{ $lang = $this->getAcceptLanguage(); } return $lang; } /** 设置用户访问语言 * @param String $lang 用户访问语言 */ public function set($lang=''){ $lang = strtolower($lang); // 只能是英文，简体中文，繁体中文 if(in_array($lang, array('en','sc','tc'))){ setcookie($this->name, $lang, time()+$this->expire); } } /** 获取HTTP_ACCEPT_LANGUAGE */ private function getAcceptLanguage(){ $lang = strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']); if(in_array(substr($lang,0,5), array('zh-tw','zh_hk'))){ $lang = 'tc'; }elseif(in_array(substr($lang,0,5), array('zh-cn','zh-sg'))){ $lang = 'sc'; }else{ $lang = 'en'; } return $lang; } } // class end ?>

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