[SOLVED] - Strange problem with POST data

error Logic

First

var_dump($_POST);
die();

to see your post info

---

No need 2 lines:
use CodeIgniter\HTTP\IncomingRequest;
use CodeIgniter\HTTP\Response;

Only use:
$request = \Config\Services::request();

---

and Form action, you should leave empty to post to current Controller

<form action="test" method="post">

to

<form action="" method="post">

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