How to post JSON data using PHP cURL

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Release: 2023-04-05 10:18:01
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How to post JSON data using PHP cURL curl is a library used to issue HTTP requests. If you want to use How to post JSON data using PHP cURL cur, you must install and enable How to post JSON data using PHP cURL's libcurl module on the system. The following article will tell you how to use PHP cURL requests to send JSON. Data, let’s look at the specific content below.

How to post JSON data using PHP cURL

There are 4 steps required to complete a curl request using PHP:

curl_init: The first step is to initialize a new session of cURL and Return the cURL handle to other functions.

curl_setopt: The second step is to set options for the cURL session handle. All these settings are well explained in curl_setopt().

curl_exec: In the third step, it executes the cURL session based on the above option set.

curl_close: The final step is to close the cURL session initialized by curl_init() and release all resources. Also removed the cURL handle.

Let us use the sample code below to create a POST request with a PHP cURL.

<?
$data = array(
    &#39;username&#39; => &#39;tecadmin&#39;,
    &#39;password&#39; => &#39;012345678&#39;
);
 
$payload = json_encode($data);
 
$ch = curl_init(&#39;https://api.example.com/api/1.0/user/login&#39;);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLINFO_HEADER_OUT, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
 
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    &#39;Content-Type: application/json&#39;,
    &#39;Content-Length: &#39; . strlen($payload))
);

$result = curl_exec($ch);

curl_close($ch);
Copy after login

The main thing is that the request must be a POST request with the correct json encoded data in the body.

This article ends here. For more exciting content, you can pay attention to other related column tutorials on the PHP Chinese website! ! !

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