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php实现获取及设置用户访问页面语言类

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Release: 2016-06-13 09:24:32
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php实现获取及设置用户访问页面语言类

 本文实例讲述了php实现获取及设置用户访问页面语言类,分享给大家供大家参考。具体分析如下:

该实例User Language Class 获取/设置用户访问的页面语言,如果用户没有设置访问语言,则读取Accept-Language。根据用户选择的语言显示对应的页面(英文,简体中文,繁体中文)

UserLang.class.php类文件如下:

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/** User Language Class 获取/设置用户访问的页面语言,如果用户没有设置访问语言,则读取Accept-Language 

*  Date:  2014-05-26 

*  Author: fdipzone 

*  Ver:  1.0 

*  Func: 

*  public get        获取用户访问语言 

*  public set        设置用户访问语言 

*  private getAcceptLanguage 获取HTTP_ACCEPT_LANGUAGE 

*/ 

   

class UserLang{ // class start 

   

  private $name = 'userlang'; // cookie name 

  private $expire = 2592000; // cookie expire 30 days 

   

   

  /** 初始化 

  * @param String $name  cookie name 

  * @param int  $expire cookie expire 

  */ 

  public function __construct($name='', $expire=null){ 

   

    // 设置cookie name 

    if($name!=''){ 

      $this->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 

?>

demo示例程序如下:

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require "UserLang.class.php"; 

   

$obj = new UserLang('sitelang', 3600); 

echo $obj->get().'
'; 

?>

source:php.cn
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