Not sending vk api message?

Question

PHP

can you tell me where is the mistake?

<?php 
  $premission = [
    "messages", "status", "wall", "friends", "photos"
  ];
  $send_message = [
    "user_id" => "170773651",
    "message" => "test",
    "access_token" => "...",
    "v" => '5.71'
  ];
  $url = 'https://api.vk.com/method/messages.send?' . http_build_query($send_message);
 ?>
(на компе стоит open server)

Answer 1

how did you get the access_token?
Works only through Implicit Flow