Category: CodeIgniter

Configure SMTP credentials for reliable delivery through Gmail, Mailgun, SES, or similar.

Build a session-based login flow with protected pages and logout.

Create a registration form that validates input and stores a new user securely.

Hash and verify passwords with PHP password_hash and password_verify.

Restrict features by roles such as admin, editor, and user.

Use filters as middleware for auth, logging, and request/response modification.

Enable CSRF protection to block cross-site form/API request forgery attacks.

Implement stateless JWT login for mobile/SPA clients consuming your CI4 API.

Add keyword search and filters using query parameters and Query Builder where clauses.

Upload files with CodeIgniter’s IncomingFile handling and move them to writable/uploads.