Call to a member function on bool

I'm stuck on validation.
the "validate" instance does not recognize the "hasError" functions:
returning the error:
Call to a member function hasError () on bool

PHP Code:

$validation = $this->validate([
            'user'    =>'required',
//            'mail'    =>'required|valid_email|is_unique[users.mail]',
            'mail'    =>'required|valid_email',
            'pswd'     =>'required|min_length[5]|max_length[12]',
            'cPswd'    =>'required|min_length[5]|max_length[12]|matches[password]'
        ]);


        if(!$validation){
        $usrErr = $validation->hasError('user') ? $validation->getError('user') : "";
            echo 'user: '.$usrErr;                
        }else{
            echo "corretto";    

        } 


after seeing and reviewing several tutorials on the subject, I am at a standstill.

I hope to get help from the experts

If you are calling this from a controller, you need to call the getError function like this:

PHP Code:

if(!$validation){
        $usrErr = $this->validator->hasError('user') ? $this->validator->getError('user') : "";
            echo 'user: '.$usrErr;                
} 


In your code, $validation is the result of the validation you just made. It's not an instance of the validation library.

---

See the "Validation data" section in the user guide: http://codeigniter.com/user_guide/incomi...ating-data

CodeIgniter 4 tutorials (EN/FR) - https://includebeer.com
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If you are calling this from a controller, you need to call the getError function like this:

PHP Code:

if(!$validation){
        $usrErr = $this->validator->hasError('user') ? $this->validator->getError('user') : "";
            echo 'user: '.$usrErr;                
} 


In your code, $validation is the result of the validation you just made. It's not an instance of the validation library.

---

See the "Validation data" section in the user guide: http://codeigniter.com/user_guide/incomi...ating-data

Thank you so much, you're great! I've been stuck on this for a long time.