step-by-step tutorial for implementing redirection with form inputs

What is a step-by-step tutorial for implementing redirection with form inputs using omegle echat CodeIgniter 4?

PHP Code:

                return redirect()->to('form')->with('success','form success ')->withInput();

 
                return redirect()->back()->with('failed','Ooops failed ')->withInput(); 


reffer here https://codeigniter.com/user_guide/gener...t#redirect

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