Read this tutorial and learn about how the Access-Control-Allow-Origin response header works. Also, read about CORS, the origin, and non-simple requests.
In this snippet, we will share with you the most flexible and powerful ways of sending post requests with the help of PHP. Just check out the examples.
cURL is applied for making requests with different protocols. A post request can send user collected data to a server. Find out how to do that accurately.