Structured Data in WordPress

Structured Data
in WordPress
Randy Hoyt

@randyhoyt #wcto

About Me

Randy Hoyt randyhoyt.com
@randyhoyt

Presentation randyhoyt.com/wcto

@randyhoyt #wcto

WordPress Timeline
May 2003

WordPress 0.7
− Initial Release
− Blog Posts

2003 2005 2007 2009 2011 2013

WordPress Now Available
http://wordpress.org/news/2003/05/wordpress-now-available/

@randyhoyt #wcto

WordPress Timeline
May 2004

WordPress 1.2
− Randy’s first WordPress blog

2003 2005 2007 2009 2011 2013

@randyhoyt #wcto

WordPress Timeline
February 2005

WordPress 1.5 “The „pages‟ feature allows you to run
− Pages
− Custom Fields
your entire site through WordPress.”

2003 2005 2007 2009 2011 2013

Announcing WordPress 1.5
http://wordpress.org/news/2005/02/strayhorn/

@randyhoyt #wcto

Structured Data
What is it?

“Data that resides in fixed fields
within a record.

“ Contrast with unstructured data.”

PC Magazine Encyclopedia: Structured Data
http://r2h.me/pcmagdata

@randyhoyt #wcto

Structured Data
Structured Unstructured

@randyhoyt #wcto

WordPress Timeline
June 2010

WordPress 3.0
− Custom Post Types

2003 2005 2007 2009 2011 2013

WordPress 3.0 “Thelonious”
http://wordpress.org/news/2010/06/thelonious/

@randyhoyt #wcto

Structured Data
Why use it?

1. Simple Adding / Editing
2. Complex Formatting

@randyhoyt #wcto

Structured Data
Why use it?

1. Simple Adding / Updating
3. Data Integrity

@randyhoyt #wcto

Structured Data
Why use it?

1. Ease of Adding & Updating
3. Data Integrity
4. Cross-Platform Delivery

@randyhoyt #wcto

Adapting Ourselves to Adaptive Content
http://www.slideshare.net/KMcGrane/adapting-ourselves-to-adaptive-content-12133365

@randyhoyt #wcto

Theme vs. Plugin
Where does this custom code belong?

“ A common, yet unfortunate practice in the WordPress
community involves filling theme functions.php files with
tweaks and functionality that is key to a site.”

Theme Functions File (functions.php) Custom Functionality Plugin
• Code is executed just like a plugin • Completely separated from theme

• Activated (or deactivated) along with • Remains activated even theme is not
the theme
• Best for code related to functionality
• Best for code related to appearance

How to create your own WordPress functionality plugin
http://wpcandy.com/teaches/how-to-create-a-functionality-plugin

@randyhoyt #wcto

WordPress Codex: Post Types > Custom Types
http://codex.wordpress.org/Post_Types#Custom_Types

@randyhoyt #wcto

Aptana, library uploaded, code for metaboxes

@randyhoyt #wcto

Custom Fields

wp_posts wp_postmeta
ID post_type post_title post_id meta_key meta_value

37 rrh_assignment Final Project 37 date_due 12/07/2011

38 rrh_assignment Final Exam 37 percentage 24

38 date_due 12/14/2011

38 percentage 16

@randyhoyt #wcto

Custom Fields

@randyhoyt #wcto

Custom Fields
Three Ways to Customize the Interface

Tutorial: “Reusable Custom Meta Boxes”
http://r2h.me/wpreuseable

Plugin: Advanced Custom Fields
http://wordpress.org/extend/plugins/advanced-custom-fields/

Library: Custom Meta Boxes
http://r2h.me/wpcmb

@randyhoyt #wcto

Library: Custom Meta Boxes
http://r2h.me/wpcmb

Custom Meta Boxes allow you to build clean, understandable
interfaces for entering metadata. There’s a ton of field options:
text, textarea, checkbox, dropdown list, WYSIWYG, and more.

@randyhoyt #wcto

Add Custom Meta Boxes to Your Plugin
http://randyhoyt.com/wordpress/custom-meta-boxes-plugin/

@randyhoyt #wcto

Video, show fields, add values, save

@randyhoyt #wcto

Screenshot of dashboard, all assignments added

Ordering WordPress Post Types By A Custom Field
http://randyhoyt.com/wordpress/custom-post-type-ordering/

@randyhoyt #wcto

WordPress Codex: Template Hierarchy
http://codex.wordpress.org/Template_Hierarchy

@randyhoyt #wcto

Child Theme Architecture
A WordPress child theme is a theme that inherits the
functionality of another theme, called the parent
theme, and allows you to modify or add functionality.

Making a child theme is very simple. Create a
directory, put a properly formatted style.css file in it,
and you have a child theme!

WordPress Codex: Child Themes
http://codex.wordpress.org/Child_Themes

@randyhoyt #wcto

Structured Data
Why use it?

1. Ease of Adding & Updating
3. Data Integrity
4. Cross-Platform Delivery
5. Logic-Based Automation

@randyhoyt #wcto

Shortcodes
When a shortcode is inserted in WordPress, it is
replaced with appropriate dynamic content produced
by a PHP function.

Let’s say we want to show the most recent posts in a
given post. We could use something like this:

[recent-posts]

Smashing Magazine: WordPress Shortcodes
http://r2h.me/wpshortcodes

@randyhoyt #wcto

CSV Importer
http://wordpress.org/extend/plugins/csv-importer/

Structured Data
in WordPress

Randy Hoyt randyhoyt.com
@randyhoyt

Presentation randyhoyt.com/wcto
#wcto

Structured Data in WordPress

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