从响应 url 中提取令牌 - Spotify API [英] Extract token from response url - Spotify API
问题描述
我正在使用此代码从 Spotify 的 Web API 获取令牌:
I'm using this code to get a token from Spotify's Web API:
<?php
$url = 'https://accounts.spotify.com/api/token';
$method = 'POST';
$credentials = "{Client ID}:{Client Secret}";
$headers = array(
"Accept: */*",
"Content-Type: application/x-www-form-urlencoded",
"User-Agent: runscope/0.1",
"Authorization: Basic " . base64_encode($credentials));
$data = 'grant_type=client_credentials';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$response = curl_exec($ch);
?>
这会导致在浏览器中显示:
That results in this showing up in the browser:
{"access_token":"{token}","token_type":"Bearer","expires_in":3600}
太好了!但是如何从响应中提取{token}"并将其用作 API 请求中的参数?例如在对 https://api.spotify.com/v1/users/ 的请求中{user_id}/playlists 需要标头字段中的令牌.
Great! But how do I extract "{token}" from the response and use it as a parameter in a request to the API? For example in the request to https://api.spotify.com/v1/users/{user_id}/playlists which needs the token in the header field.
谢谢!
推荐答案
您需要解码 JSON:
You need to decode the JSON:
$response = json_decode($response, true);
然后您将拥有一个包含值的数组.
Then you'll have an array with the values.
$token = $response['access_token'];
此外,您还缺少以这种方式获取响应的必要选项:
Also, you're missing a necessary option to obtain the response in this way:
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
如果未定义,您将得到一个布尔值而不是响应.
If not defined, you will get a boolean value instead of the response.
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