如题，用户购买指定文章后，自动获取认证标志。

function zibll_users_prefect_author($pay_order){
    $pay_order = (array) $pay_order;
    $post_id   = $pay_order['post_id'];
    $user_id   = $pay_order['user_id'];
    if ($post_id == 2102) {
    // 添加认证操作
     
        zib_add_user_auth($user_id, array(
            'name' => '个人认证',
			'desc' => 'GOGO社区优质作者',
        ));
    }
    }
add_action('payment_order_success', 'zibll_users_prefect_author');

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