User Controller File in Codeigniter 3 PHP

 <?php

defined("BASEPATH") or exit("No direct script access allowed");

class User extends CI_Controller

{

    public function __construct()

    {

        parent::__construct();

    }

    public function index()

    {

        $this->load->model("User_model");

        $data["users"] = $this->User_model->allRecords();

        $this->load->view("list", $data);

    }

    public function create()

    {

        $this->load->model("User_model");

        $this->form_validation->set_rules("name", "Name", "required");

        $this->form_validation->set_rules("email", "Email", "required|valid_email");

        if ($this->form_validation->run() == false) {

            $this->load->view("create");

        } else {

            //Save record to database

            $formArray = array();

            $formArray["name"] = $this->input->post("name");

            $formArray["email"] = $this->input->post("email");

            $formArray["created_at"] = date("Y-m-d");

            $this->User_model->create($formArray);

            $this->session->set_flashdata("success", "Record added successfully");

            redirect(base_url() . "User/index");

        }

    }

    public function edit($userId)

    {

        $this->load->model("User_model");

        $data["user"] = $this->User_model->getUser($userId);

        $this->form_validation->set_rules("name", "Name", "required");

        $this->form_validation->set_rules("email", "Email", "required|valid_email");

        if ($this->form_validation->run() == false) {

            $this->load->view("edit", $data);

        } else {

            //UPDATE user record

            $formArray = array();

            $formArray["name"] = $this->input->post("name");

            $formArray["email"] = $this->input->post("email");

            $this->User_model->updateUser($userId, $formArray);

            $this->session->set_flashdata("success", "Record Updated Successfully");

            redirect(base_url() . "User/index");

        }

    }

    public function delete($userId)

    {

        $this->load->model("User_model");

        $this->User_model->getUser($userId);

        if (empty(userId)) {

            $this->session->set_flashdata("failure", "Record Not found in database");

            redirect(base_url() . "User/index");

        }

        $this->User_model->deleteUser($userId);

        $this->session->set_flashdata("success", "Record deleted Successfully");

        redirect(base_url() . "User/index");

    }

}