WordPress: Creating Custom Widgets and Plugins with PHP

Introduction
Welcome
Using the exercise files

1. Getting Started
WordPress overview
Installing WPI for Windows
Installing MAMP for the Mac
Installing and configuring WordPress
Comparing WordPress 3.0 with previous versions
Setting up a PHP/WordPress development environment

2. Understanding WordPress Plugin Basics
Exploring WordPress plugins
Administering plugins from the WordPress admin
Exploring where plugins reside
Introduction to hooks

3. Building a WordPress Plugin
Creating the plugin PHP file(s)
More on hooks: Actions and filters
Installation and activation
Writing activation code
Writing an action
Writing a filter
About pluggable functions
Writing a pluggable function
Using template tags
Introducing shortcode

4. Using and Creating WordPress Widgets
Widgets and the WordPress Widgets SubPanel
Comparing widgets and plugins
Using and customizing built-in widgets
Creating a new widget
Writing the constructor and registering widgets
Enabling configuration of widgets

5. Plugin Options and Administration
Creating an admin interface
Saving data to the database
Securing form submission with nonces
Options editing post-WordPress 2.7
Integrating with the WordPress admin menus
WordPress admin dashboard API
Using existing options and option editing pages in WordPress
Using jQuery and AJAX for administration

6. Using the WordPress Database
Accessing the WordPress database
Using the built-in schema
Accessing data using $wpdb
Creating new tables
Inserting data

7. The Loop, Posts, and Pages
Introducing the Loop
Using WP_Query()
Custom filtering and sticky posts
Using jQuery and AJAX for posts and pages

8. The WordPress Plugin Lifecycle
Registering and promoting plugins
Creating an uninstall function
Backward compatibility issues

9. Security and Extensibility
Understanding security issues
Internationalizing your plugin

Conclusion
Goodbye