PHP CodeIgniter 4: Build Food Ordering Ecommerce Store 2026

Start the course immediately if you have already downloaded VS Code and exam; skip the second two videos.

Install Xampp to create a local server with Apache, MySQL, PHP, and phpMyAdmin. Learn to download from Apache Friends, choose components, and start control panel to run Apache and MySQL.

Install Visual Studio Code on Windows, follow download and install steps, and set up a desktop icon; discover that other editors also work for coding.

Design and code a food ordering ecommerce project with a reusable template, featuring home with categories, products, view product, add to cart with quantity, and checkout.

Configure php.ini in the exam folder by enabling the extension, then restart Apache and MySQL to prevent future errors before creating your CodeIgniter project.

Set up a fresh CodeIgniter 4 project, switch to a .env file, and run in development with mysqli database configuration. Explore the home controller and routes while building the app.

Learn to build an authentication system in CodeIgniter 4 using the shield package, including installation via composer, migrations, and registration, login, and logout workflows.

Develop a CodeIgniter 4 master template to globally load assets, create a dynamic home view, and render content via a section, ensuring a consistent header and footer.

Create a category model and corresponding categories table with name and image fields, then load, pass, and display categories dynamically in the home view using CodeIgniter 4.

Display products by category in a CodeIgniter 4 food ordering store by building a categories route group, a products model, and a category view.

Display product details in a CodeIgniter 4 ecommerce app by creating a products controller and route with an id, rendering name, image, description, and price.

Display related products from the same category as the current item. Exclude current product, use dynamic id in CodeIgniter 4, order by id desc, limit to five, in a carousel.

Make the shop page dynamic by displaying categories with icons, wiring a shop route and view, and linking categories to dynamic product listings using category IDs and base URLs.

Display a dynamic shop page in php codeigniter 4 by listing most wanted products and vegetables category items with for-each loops, images, and product links.

Explore displaying meat, fish, and fruit products by category on the shop page, using for each loop, category IDs, and carousels, and ensure each item renders correctly.

Learn to add items to a cart by building a cart model and table, creating routes and a form, and dynamically calculating price by quantity for checkout with PayPal.

Master validating add-to-cart actions in a CodeIgniter 4 food store by preventing duplicates, redirecting with flash messages, and hiding inputs after addition.

display cart items by user in a codeigniter 4 ecommerce app, using a cart route and a dynamic view that shows product image, name, price, quantity, and total.

Implement a subtotal per cart item by adding a subtotal column and calculating price times quantity. Then display the cart total and show an empty-cart message when no items exist.

Delete items from the cart via a delete from cart route, removing by id with the product model, and update the cart total.

Prepare checkout by posting the cart total to a prepare checkout route, read the price from the form with get_post, start a session, and pass the price to checkout.

Learn to implement the checkout page in PHP CodeIgniter 4 by rendering cart items and order details, displaying the cart subtotal, shipping, and total price.

Process the checkout by posting order form data, saving the record to the orders table via the model, and routing to pay with PayPal.

Set up sandbox PayPal accounts, create a REST API application, and implement a simple PayPal payment flow in a PHP CodeIgniter 4 ecommerce store.

Learn to complete a PayPal checkout in CodeIgniter 4 by making the total price dynamic via session data, build a success page, and automatically clear the cart after payment.

Enforce secure checkout flow by validating the cart price in session with a CodeIgniter filter, routing through cart, checkout, pay with PayPal, and the success page to prevent direct access.

Display each user's orders in a CodeIgniter 4 ecommerce app by creating a user orders controller, routes, and a view listing name, address, town, state, price, and status.

Learn how to fetch a single user and prepare an update user data view in a PHP CodeIgniter 4 ecommerce app, using raw SQL and shield considerations.

Update user data in PHP CodeIgniter 4 via a post form, using session id, applying an update query, showing a flash message, and redirecting to the user data page.

Learn how to validate and protect user data in a CodeIgniter 4 ecommerce app by creating a custom validate user filter, applying it to routes, and handling unauthenticated access gracefully.

Finish the user end by wiring header links, logo, and a dynamic shop route to the home page, then add about and contact pages with shared templates.

Design and code the admin panel for the PHP CodeIgniter 4 food ordering store, introducing an index with stats, admin management, category and product management, and order status updates.

Create an admin authentication system in CodeIgniter 4 by building the admin model, admins table, and a master admin template, then implement login routes, controller, and login view.

Create a secure admin login in CodeIgniter 4 by posting credentials to routes, verifying the emailed password against the stored hash, starting a session, and redirecting to the admin index.

Validate the login system by using the session to display the admin name and toggle login links, and implement logout to unset session data and redirect to login.

Implement robust auth validation in CodeIgniter 4 by creating login and index filters that check the is_logged_in session, redirect unauthorized users to login, and protect all routes.

Count products, admins, categories, and orders on the CodeIgniter 4 index page. Connect to the database and fetch these counts for the food ordering ecommerce store after authentication via filters.

Learn to display all admins in a CodeIgniter 4 ecommerce app by creating an all admins route and controller method, querying admins, and rendering a view with a foreach loop.

Create admins by presenting a create admins form, collecting email, name, and a password, hashing the password before saving, and redirecting to the admins list with a flash message.

Display all categories in the admin panel by configuring the all categories route, querying all categories, and rendering them in a dedicated categories view ordered by created descending.

Create a category form and post to categories.store to save name, icon, description, and image in the categories table, with image uploads stored in public/assets/category_images.

Delete categories with images in a CodeIgniter 4 admin panel by removing the category record and its image file from public assets, using unlink after file existence check.

Update categories with images in a PHP CodeIgniter 4 food ordering ecommerce store. Learn to edit categories, manage image uploads, and reflect changes on the public site.

Display all products in the admin template by fetching from the controller and rendering id, name, price, and expiration date in the view; plan to add status and delete.

Create new products in a CodeIgniter 4 ecommerce store by building a product creation form, validating input, uploading images, and storing data with category, price, and expiration date.

Delete products and their images in CodeIgniter 4 by id, remove the image file and database record, and display a flash message before returning to all products.