[英]How to extract values from a curl reponse
我在下面有这个方法和 curl 功能。 我想使用 PHP 从结果中提取访问令牌。 我尝试了三种方式回显,如下面的代码所示,但我只得到 boolean 响应或错误。 我该怎么做 go 呢?
$consumer_key = "CONSUMER_KEY";
$consumer_secret = "CONSUMER_SECRET";
$url = 'https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
$credentials = base64_encode($consumer_key.":".$consumer_secret);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Authorization: Basic '.$credentials)); //setting a custom header
curl_setopt($curl, CURLOPT_HEADER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$curl_response = curl_exec($curl);
$access_token = json_decode($curl_response);
echo "<br><br>---------------Trial 1-------------<br>";
echo $curl_response;
echo "<br><br>---------------Trial 2-------------<br>";
echo $access_token->access_token;
echo "<br><br>---------------Trial 3-------------<br>";
echo $access_token['access_token'];
}```
This is the response I get:
---------------Trial 1-------------
HTTP/1.1 200 OK Date: Fri, 07 May 2021 10:18:40 GMT Content-Type: application/json;charset=UTF-8 Content-Length: 113 Connection: keep-alive Cache-Control: no-store { "access_token": "a6aAK9rdA4MA2ChqVzEDge6DAWTC", "expires_in": "3599" }
---------------Trial 2-------------
A PHP Error was encountered
Severity: Notice
Message: Trying to get property 'access_token' of non-object
Filename: controllers/Lab.php
Line Number: 99
Backtrace:
File: /home2/airduka/public_html/sandbox/application/controllers/Lab.php
Line: 99
Function: _error_handler
File: /home2/airduka/public_html/sandbox/index.php
Line: 315
Function: require_once
---------------Trial 3-------------
通过将 CURLOPT_HEADER 设置为 false 来禁用响应 header。
curl_setopt($curl, CURLOPT_HEADER, false);
然后 json_decode 将起作用,您可以使用它获取令牌;
$curl_response = curl_exec($curl);
$access_token = json_decode($curl_response, true);
$access_token['access_token']
使用以下代码使 json object 作为数组返回:
$access_token = json_decode($curl_response, true);
然后您可以通过以下方式获取访问令牌:
$access_token['access_token']
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