Cookie類

class Cookie {

// 判斷Cookie是否存在

static function is_set($name) {

    return isset($_COOKIE[C('COOKIE_PREFIX').$name]);

}

// 獲取某個Cookie值

static function get($name) {

    $value   = $_COOKIE[C('COOKIE_PREFIX').$name];

    $value   =  unserialize(base64_decode($value));

    return $value;

}

// 設置某個Cookie值

static function set($name,$value,$expire='',$path='',$domain='') {

    if($expire=='') {

        $expire =   C('COOKIE_EXPIRE');

    }

    if(empty($path)) {

        $path = C('COOKIE_PATH');

    }

    if(empty($domain)) {

        $domain =   C('COOKIE_DOMAIN');

    }

    $expire =   !empty($expire)?    time()+$expire   :  0;

    $value   =  base64_encode(serialize($value));

    setcookie(C('COOKIE_PREFIX').$name, $value,$expire,$path,$domain);

    $_COOKIE[C('COOKIE_PREFIX').$name]  =   $value;

}

// 刪除某個Cookie值

static function delete($name) {

    Cookie::set($name,'',-3600);

    unset($_COOKIE[C('COOKIE_PREFIX').$name]);

}

// 清空Cookie值

static function clear() {

    unset($_COOKIE);

}

}