在 Wordpress 中从 wp_remote_get 访问 JSON [英] Access JSON from wp_remote_get in Wordpress

问题描述

我正在尝试使用 wp_remote_get 访问从这个 Google 图书 API 请求返回的 json，但它没有输出数据.谁能告诉我是什么问题?

I'm trying to access the json that's returned from this Google books API request using wp_remote_get but its not outputting the data. Can anyone tell me what the problem is?

$request = wp_remote_get('https://books.google.com/books?bibkeys=9780001955073%2C%209780001982116%2C%209780001981768&jscmd=viewapi&callback=listisbns');

$body = wp_remote_retrieve_body( $request );
$data = json_decode( $body );

foreach( $data as $book ) {
   echo $book->info_url;
}

推荐答案

如果你使用 JavaScript 通过回调函数 listisbns 就可以了，在 PHP 中使用返回的结果你必须清理返回的字符串:

It would be ok if you were using JavaScript via the callback function listisbns, to use the returned result in PHP you gotta clean up the returned string:

$body = wp_remote_retrieve_body( $request );

# clean start removing "listisbns("
$body = str_replace( 'listisbns(', '', $body );

# clean end removing last two characters: ");"
$body = substr( $body, 0, strlen($body) - 2 );

# data ok to proceed
$data = json_decode( $body );

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