Mastering PHP 7

Creating client

Given that REST services rely on HTTP, it's safe to assume that writing clients with PHP CURL should be quite a straightforward process. Let's create a rest-service/client/index.php file with the following content:

<?php$ch = curl_init();$headers = [    'Content-Type: application/json',    'X-AUTH-TOKEN: some-auth-token-here'];curl_setopt($ch, CURLOPT_URL, 'http://rest-service.server/user/welcome');curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['name' => 'John']));curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);$result = curl_exec($ch);curl_close($ch);echo $result;

The Wireshark network tool tells us that this code generates the following HTTP ...