Possible change POST before validation?

Possible change data POST before validation?
I did change in POST, after that make validaion but it comes with old data

Or how can i pass new Data to validation?


$validation->withRequest($_POST)->run();

I got Error
CodeIgniter\Validation\Validation::withRequest(): Argument #1 ($request) must be of type CodeIgniter\HTTP\RequestInterface, array given

I recommend you use $this->validateData() in Controller.
See https://codeigniter4.github.io/CodeIgnit...lidatedata

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

The same as $this->validate().
See https://codeigniter4.github.io/CodeIgnit...s-validate

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper