From WordCamp Houston, 2010

1. What’s New in 3.0
Stephanie Leary
@sleary
sillybean.net

2. User Features
• Twenty Ten theme
• Menus
• Help tabs
• Unified Updater

3. Theme Functions
• the_shortlink()
• get_template_part()
• comment_form()
• wp_nav_menu()

4. the_shortlink()
• This is the short link.
• http://blog.example.com/?p=123
• http://wp.me/pZhYe-nl
• wp_get_shortlink()

5. get_template_part()
• new:
get_template_part(foo.php);
• old:
include(TEMPLATEPATH."/foo.php");

6. comment_form()
• Replaces the entire <form>
contents
• Markup and labels can be changed
using $args array

7. wp_nav_menu()
• wp_nav_menu("menu=Main");
• wp_nav_menu("fallback_cb=wp_list_
categories");
• in functions.php:
add_theme_support("nav_menus");

8. Background Images
• add_custom_background();

9. New Theme Files
• single-content-type.php
• author.php
• author-id.php
• author-nickname.php
• category-slug.php

10. Custom Post Types
• register_post_type(
‘course’,
array(
‘labels‘ = array(
‘name‘ => ‘Courses’,
‘singular_name‘ =>
‘Courses‘
)
)

11. Custom Post Loops
• query_posts(‘post_type=post,course
’);

12. Custom Post Feeds
• /?feed=rss2&post_type=course
• /feed/?post_type=course
• /feed/?post_type=post,page,course

13. Custom Post Type UI

14. Listing Post Types

15. Post Type Switcher

16. Convert Post Types

17. Hierarchical
Taxonomies

18. Definining
Taxonomies
• register_taxonomy(
‘college’,
array(‘course’, ‘post’),
);

19. Edit Columns

20. Feeds
• /college/science/feed
• /college/science/feed/atom
• /?feed=rss2&college=science

21. Gotchas
• Archives are defined for terms, but
not for the taxonomy itself (404)
• Hierarchical taxonomy URLs are not
built like categories
(/parent/child)

22. Permalinks
• http://dd32.id.au/files/wordpress/
example-hierarchical-term-
links.php

25. Multisite/Networks
• Requirements:
• Subdomains: wildcard DNS
• Subdirectories: .htaccess

26. Activating the Network
• define(‘WP_ALLOW_MULTISITE’,
true);

32. Gotchas
• Main site archives move to /blog
• Upload buttons disappear
• Themes must be network-enabled
• Plugins & apps not made for multi:
• XML Sitemaps
• iPhone app

35. Plugins for Multisite
• MU Helpers
• Domain Mapping

37. Things That Went Away
• Option for global tags
• Miscellaneous Settings page
• importers (plugins)

38. Questions?
Stephanie Leary
@sleary
sillybean.net