simple php post

php-post.php

<?php

// Set headers to allow cross-origin resource sharing (CORS)
header("Access-Control-Allow-Origin: *");
header("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Methods: POST");
header("Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With");

// Get the JSON data sent in the request body
$request_body = file_get_contents('php://input');

// Decode the JSON data into a PHP object
$data = json_decode($request_body);

// Process the data (e.g. save it to a database)
// ...

echo json_encode($data);

?>