How do I POST JSON data using PHP Curl library?

To make an HTTP POST request with JSON data using the PHP Curl library, you need to first initialize the PHP Curl library by calling the curl_init() function. You can pass the target URL during initialization or set it later by calling the curl_setopt() function with the "CURLOPT_URL" parameter. To pass additional HTTP headers to the PHP POST request, you can call curl_setopt() with the CURLOPT_HTTPHEADER parameter. In this PHP Curl POST JSON Example, we send the "Accept: application/json" and "Content-Type: application/json" request headers to the server. The "Content-Type: application/json" request header specifies the type of data in the body of the POST message, and the "Accept: application/json" header tells the server that the client is expecting JSON in response to our POST request. The curl_exec() function performs the POST request. Click Execute to run the POST JSON with PHP Curl Library Example online and see the result.
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