Developer Docs - v2.3.x

Architecture Overview

• CodeIgniter 4 Foundation
• Request Lifecycle
• Directory Structure
• Extension Points
• Cronjobs
• Third Party Licensing

Plugin Development

• Getting Started
• Plugin Structure
• PluginInterface
• plugin_info.json
• Installer
• Routes
• Controllers
• Models & Migrations
• Services
• Views
• Internationalization
• CSRF Exemptions
• API Controllers
• Plugin Lifecycle
• Disabled Addons
• Email Provider

Theme Development

• Getting Started
• Theme Structure
• theme_info.json Reference
• Template Engine Basics
• Layout & Hierarchy
• Available Variables
• Widget Areas
• CSS Class Mapping
• Theme Options
• Partials & Includes

Widget Development

• Getting Started
• Widget Structure
• widget_info.json Reference
• Widget Views
• Data Providers
• Context Variables
• Options & Admin Forms

Template Engine Reference

• Syntax Overview
• Tags
• Filters
• Expressions
• Tag Functions
• Widget Tags

Core Services

• ThemeService
• WidgetService
• PluginManager
• MarketplaceService
• SeoService
• MediaService
• ActivityLogger
• Broken Links

Helpers Reference

Database Schema

• Core Tables
• Conventions

CLI Commands

Marketplace & Distribution

• Submitting to Marketplace
• Vetting & Approval
• Update URL Protocol