WordPress:发布帖子后保存 API JSON [英] WordPress: save API JSON after publish a post

问题描述

我需要获取我所有的博客文章，然后在发布文章后使用 WordPress API Rest 提供的确切结构将其保存在 json 文件中.所以我正在使用这个:

I need to grab all my blog posts and save then in a json file using the exactly structure provided by WordPress API Rest after a post is published. So I'm using this:

add_action('publish_post', function($ID, $post) {
    $url = 'http://website.local/wp-json/wp/v2/posts/';
    $response = wp_remote_get( $url );
    file_put_contents('data.json', $response);
}, 10, 2);

但它返回一个错误:

可捕获的致命错误:类的对象Requests_Utility_CaseInsensitiveDictionary 无法转换为串入/var/www/public/wp-content/themes/twentyseventeen/functions.php 上第578行

Catchable fatal error: Object of class Requests_Utility_CaseInsensitiveDictionary could not be converted to string in /var/www/public/wp-content/themes/twentyseventeen/functions.php on line 578

推荐答案

其实需要使用json encode函数将返回值转成字符串:

Actually you need to use json encode function to convert the return to string:

$response = wp_remote_get( $url );
$responseData = json_encode($response);

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