title: Guzzle form_params not sending array to the server
body: <p>Im having a trouble of when sending an array value to the server, seems the server cannot accept array values or the guzzle failed to send the array format</p>
  
  <p><a href="https://i.stack.imgur.com/E4SFd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/E4SFd.png" alt="enter image description here"></a></p>
  
  <p>did i miss something? or Im in a wrong page? first_name and last_name fields are able to reach to the end server, just this variables field not able to reach there.</p>
  
  <p>thank you</p>