In this advanced development session we will review how to create structured data for your WordPress website by using Custom Post Types, Custom Taxonomies, and Custom Fields.

1. The 3Cs of WordPress
A Custom Trifecta
@davidscotttufts
davidscotttufts.com

2. About Me
• Born and raised in Brazil
• Live in Grand Rapids, Michigan
• 1 beautiful wife
• 6 great kids (5 boys and 1 girl)
• Co-founder at Rocketwood
• Web Producer at RBC Ministries
• Developing KickPress, a WordPress plugin

3. The Sweet Smell of Success
After 2 years with WordPress on odb.org
• From 2.1 million to 5 million page views per month
• From 0 to 140,000 subscribers to daily email
• Over 50% increase in web donations
• Over 110,000 mobile app sales
• Over 140,000 Facebook fans
• 40% less hardware
• 30% savings
Graph by Francesco Schwarz

4. WordPress Powers
16.7% of the Web

5. WordPress Evolution
1. Blog
2. Multi-User
3. CMS
4. What’s next?
Illustration by Rob Green

6. State of the Word 2012
Slide from Matt Mullenweg’s presentation

7. What’s Next for WordPress
• Web App Engine?
• Enterprise Grade Systems?
• Public Facing APIs with
OAuth Integration?
Structured Data

8. The Building Blocks for
Structured Data
• Custom Post Types
• Custom Taxonomies
• Custom Fields

9. What about Post
Formats?

10. Custom Post Type management
• Maintain custom post types in
the functions.php file?
• Create a unique plugin for your
site’s custom post types?
• Use a third-party custom post
type plugin?
Custom Post Types
Photo by Brad Coy

11. Advanced custom post type
management

12. Post Terms Term Relationships
• ID • term_id • object_id
• post_author • name • term_taxonomy_id
• post_date • slug • term_order
• post_content • term_group
• post_title
• post_excerpt
• post_status
• post_content
• post_type
Term Taxonomy
• Etc. • term_taxonomy_id
• term_id
• taxonomy
• description
Post Meta • parent
• count
• meta_id
• post_id
• meta_key
• meta_value
WordPress Database Structure

13. Custom Custom
Post Type Taxonomy
People People Hobbies Hobbies
• ID • people_id • ID
• first_name • hobbies_id • name
• last_name • description
• email_address
• home_phone
• cell_phone Custom Fields
• birthday
• Etc.
The Illusion of Structure

14. Custom Post Type Options
Do it yourself:
http://codex.wordpress.org/custom_post_types
http://justintadlock.com/archives/2010/04/29/custom-
post-types-in-wordpress
Get a plugin:
http://wordpress.org/extend/plugins/tags/custom-
post-types

15. Custom Fields - Good

16. Custom Fields - Better
How to create Custom Meta Boxes
• http://codex.wordpress.org/Function_Reference/add_meta_box
• http://wp.smashingmagazine.com/2011/10/04/create-custom-post-meta-boxes-
wordpress/
• http://wp.tutsplus.com/tutorials/plugins/how-to-create-custom-wordpress-
writemeta-boxes/

17. Custom Fields - Best

18. Advanced roles and capabilities for
managing user permissions

19. Popular Web Apps

20. Features of Web Apps
 Offer a service
 Safe-keeping of your
personal data
 Access to your personal
data through an API
 Roles and permissions
for controlled and/or
restricted access

21. With no API, users are limited in
how the can access their data
Illustration by Eric Tufts

22. Separating content
from presentation
Illustration by Eric Tufts

23. Illustration by Eric Tufts