User Model File in Codeigniter 3 in PHP

 <?php

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

class User_model extends CI_Model

{

    public function create($formArray)

    {

        $this->db->insert("users", $formArray); //INSERT INTO users(name,email) VALUES(?,?);

    }

    public function allRecords()

    {

        return $this->db->get("users")->result_array(); //SELECT * FROM users;

    }

    public function getUser($userId)

    {

        $this->db->where("user_id", $userId);

        return $this->db->get("users")->row_array(); //SELECT * FROM users WHERE user_id = ?

    }

    //UPDATE the record from Database

    public function updateUser($userId, $formArray)

    {

        $this->db->where("user_id", $userId);

        $this->db->update("users", $formArray); //UPDATE users SET name = ?, email = ? WHERE user_id = ?

    }

    //DELETE the record from Database

    public function deleteUser($userId)

    {

        $this->db->where("user_id", $userId);

        $this->db->delete("users"); //DELETE FROM users WHERE user_id = ?

    }

}