関連ワード:  codeigniter 4 post data    codeigniter 4 post request    codeigniter 4 get post data    codeigniter 4 get post data in controller    codeigniter 4 get json post data    codeigniter 4 get all post data    codeigniter 4 redirect with post data    codeigniter 4 get post values in controller    codeigniter 4 send post request