curl post

        $vars['access_token'] =$token;
        $vars['status'] = $r['content'];
        $method_post = true;
//登录提交的url地址(表单中的action的绝对地址)
        $url = 'https://api.weibo.com/2/statuses/update.json';
//----------------------------
        $ch = curl_init();
        $params[CURLOPT_URL] = $url;    //请求url地址
        $params[CURLOPT_HEADER] = false; //是否返回响应头信息
        $params[CURLOPT_RETURNTRANSFER] = true; //是否将结果返回
        $params[CURLOPT_FOLLOWLOCATION] = true; //是否重定向
        $postfields = '';
        foreach ($vars as $key => $value){
            $postfields .= urlencode($key) . '=' . urlencode($value) . '&';
        }

        $params[CURLOPT_POST] = true;
        $params[CURLOPT_POSTFIELDS] = $postfields;
        curl_setopt_array($ch, $params); //传入curl参数
        $content = curl_exec($ch); //执行
        echo '<pre>';
        print_r(json_decode($content)); //输出登录结果
        curl_close($ch); //关闭连接