Professional Wordpress Plugin Developmen... 4074KB Jun 27 2012 12:00:00 AM

1323 Pages·2012·3.98 MB·English

CONTENTS
Foreword
Introduction
Chapter 1 : An Introduction to Plugins
What is a Plugin?
Available Plugins
Advantages of Plugins
Installing and Managing Plugins
Summary
Chapter 2 : Plugin Foundation
Creating a Plugin File
Sanity Practices
Header Requirements
Determining Paths
Activate/Deactivate Functions
Uninstall Methods
Coding Standards
2
Plugin Development Checklist
Summary
Chapter 3 : Hooks
Actions
Filters
Using Hooks from Within a Class
Creating Custom Hooks
How to Find Hooks
Summary
Chapter 4 : Integrating in WordPress
Adding Menus and Submenus
Creating Widgets
Meta Boxes
Keeping It Consistent
Summary
Chapter 5 : Internationalization
Internationalization and Localization
3
Creating Translation Files
Summary
Chapter 6 : Plugin Security
Securing Your Plugin
User Permissions
Nonces
Data Validation and Sanitization
Formatting SQL Statements
Security Good Habits
Summary
Chapter 7 : Plugin Settings
The Options API
The Settings API
The Transients API
Saving Per-User Settings
Storing Data in Custom Tables
Summary
4
Chapter 8 : Users
Working with Users
Roles and Capabilities
Limiting Access
Customizing Roles
Summary
Chapter 9 : HTTP API
HTTP Requests Crash Course
WordPress’ HTTP Functions
Practice: Reading JSON from a Remote API
Practice: Sending Data to a Remote API
Practice: Reading Arbitrary Content
Make Your Own Plugin Repository
Special Case: Fetching Remote Feeds
Summary
Chapter 10 : The Shortcode API
Creating Shortcodes
5
Shortcode Tips
Integrating Google Maps
More Shortcode Quick Ideas
Summary
Chapter 11 : Extending Posts: Metadata, Custom Post Types,
and Taxonomies
Creating Custom Post Types
Using Custom Post Types
Post Metadata
Creating Custom Taxonomies
Using Custom Taxonomies
A Post Type and Taxonomy Plugin
Summary
Chapter 12 : JavaScript and Ajax in WordPress
jQuery–A Brief Introduction
Ajax
Adding JavaScript in WordPress
Ajax in WordPress
6
Summary
Chapter 13 : Cron
What is Cron?
Scheduling Cron Events
True Cron
Practical Use
Summary
Chapter 14 : The Rewrite API
Why Rewrite URLs
How WordPress Handles Queries
Practical Uses
Summary
Chapter 15 : Multisite
Differences
Enabling Multisite in WordPress
Multisite Functions
Multisite Database Schema
7
Summary
Chapter 16 : Debugging and Optimizing
Supporting Old Versions (Not)
Debugging
Error Logging
Caching
Summary
Chapter 17 : Marketing Your Plugin
Choosing a License for Your Plugin
Submitting to WordPress.org
Getting Your Plugin Renowned
Summary
Chapter 18 : The Developer Toolbox
Core as Reference
Codex
Tool Web Sites
Community Resources
8
Tools
Summary
Index
9
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