Tag: PHP

Plan an e-commerce app: products, cart, checkout, orders, and admin catalog management.

Build a blog with posts, categories, admin CRUD, and public listing/detail pages.

Deploy a CodeIgniter 4 app to shared hosting or VPS with correct document root and .env.

Improve performance with caching, eager queries, autoloading, and production settings.

Harden CodeIgniter apps with CSRF, XSS escaping, password hashing, and secure headers.

Practice common CodeIgniter interview questions on MVC, routing, filters, and Query Builder.

Add Google OAuth social login to your CodeIgniter authentication system.

Integrate a payment gateway checkout and webhook verification pattern in CI4.

Prevent cross-site scripting by escaping output and filtering dangerous input.

Handle exceptions and show friendly errors in development vs production.