validation rule password never match

[keulu-ing]

Describe the bug
The validation error is always triggered when use required_with[] check
The validation error is always triggered when use matches[] check

CodeIgniter 4 version
alpha-5

Affected module(s)
Form Validator

Reproduce the behavior
my rules :

protected $validationRules    = [
        'password'     => 'required|min_length[8]',
        // 'password_confirm' => 'required_with[password]|matches[password]'
        'password_confirm' => 'matches[password]'
    ];

curl -X POST \
  localhost/users \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'cache-control: no-cache' \
  -d 'password=toto&password_confirm=toto'

"password_confirm": "The password_confirm field is required when password is present."

remove the require_check[]

"password_confirm": "The password_confirm field does not match the password field."

my validations_rules are in my model. everything seems to work exept this one.

Context

• OS: LMDE2
• Web server Nginx
• PHP version 7.1

[lonnieezell]

What data is being passed in for validation?

[keulu-ing]

curl -X POST \
  localhost/users \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'cache-control: no-cache' \
  -d 'password=toto&password_confirm=toto'

password=toto
password_confirm=toto

both exists in my $request->getPost()

[bangbangda]

required_with rule bug, fixing...