CodeIgniter 4 - Login and Registration System

Video Tutorials

GitHub

CSS Library

• CodeIgniter 4
• Bootstrap 4.5

Routes

• {$base_url}/
• {$base_url}/user/registration
• {$base_url}/user/login

Changelog

• Setup CodeIgniter 4 Folder in your local Server

• Enable .env File

• Change ENVIRONMENT Type production to development

• Update Base URL, Time Zone (Asia/Kolkata), Set Debug Toolbar Status

• Create a new controller Users.php and insert basic code

• Create user login and registration routes and controller method

• Create user login and registration views file in the /Views Folder

  • app\Views\users\user_login.php
  • app\Views\users\user_registration.php

• Create header, nav, footer files in the /Views Folder

  • app\Views\component\header.php
  • app\Views\component\nav.php
  • app\Views\component\footer.php

• Integrate Bootstrap 4 in the header.php file

  • https://getbootstrap.com/docs/4.5/getting-started/introduction/

• Include header, footer in the Controller Methods.

• Integrate Page Title in the header and Controller File.

• Create user_registration and user_login templates with bootstrap 4 code.

• What user information do you want to get?

  • first_name
  • last_name
  • mobile
  • email
  • username
  • password
  • confirm_password

• Introduction CodeIgniter 4 - POST and GET Request

  • https://codeigniter4.github.io/userguide/incoming/incomingrequest.html

  • https://codeigniter4.github.io/userguide/concepts/http.html

  • Fetch all form post data

    print_r($this->request->getPost());
    print_r($this->request->getMethod(true));

• If user data showing in the post method then integrate form validation.

  • https://codeigniter4.github.io/userguide/libraries/validation.html
  • Imp. Methods:

  <?= $validation->listErrors() ?>

• Set Value method in the form input fields

• If all user data fetch in the user controller then create users database table

  • Create a new database c4-login-registration-system
  • Create users database table
  • Open C4 Model: https://codeigniter4.github.io/userguide/models/model.html

  CREATE TABLE `users` (
      `id` int(11) NOT NULL AUTO_INCREMENT,
      `first_name` varchar(200) NOT NULL,
      `last_name` varchar(200) NOT NULL,
      `mobile` varchar(10) NOT NULL,
      `email` varchar(250) NOT NULL,
      `username` varchar(250) NOT NULL,
      `password` text NOT NULL,
      `created_at` varchar(50) NOT NULL,
      `updated_at` varchar(50) NOT NULL,
      `deleted_at` varchar(50) NOT NULL,
      PRIMARY KEY (`id`),
      UNIQUE KEY `email` (`email`),
      UNIQUE KEY `username` (`username`)
  ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4

• Integrate database in the project .env file

• Integrate UserModel.php in the user controller file

• Set Timezone Asia/Kolkata in the App.php config file

  • and set project base url

• Set before_insert and before_update methods in the user model file

• If user data successful saved in the database then use flash session message

  • https://codeigniter4.github.io/userguide/libraries/sessions.html
  • and show flash message in the view file

• Use redirect function

  • https://codeigniter4.github.io/userguide/general/common_functions.html#redirect

• Create user login system

  • Define name for route and use route name in the redirect method

• Create User Dashboard Controller and create dashboard view file

  session()->get("AUTH.first_name");
  session()->get("AUTH.last_name";

• Create User Logout Method

• Next Topic: Protecting Routes without login users

  • First Method: Check User Session is not empty in every controller method.
  • Second Method: CodeIgniter 4 Filters
    • https://codeigniter4.github.io/CodeIgniter4/incoming/filters.html

• Create a new Filter file app/Filters/AuthFilter.php

• Include AuthFilter.php File into app/Config/Filters.php and app/Config/Routes.php Files