Lori Berkowitz explains some of the aspects of theme development, inc

1. WordPress Theming
Custom Pages, Custom Post Types, & Custom Fields
Lori Berkowitz
http://beedragon.com

2. Overview
• The Codex ♥
• Template Tags/
Template Hierarchy
• The Loop
• Custom Loops /
Multiple Loops
• Custom Fields
• Custom Post Types

3. WordPress Codex
• http://codex.wordpress.org
• /Template_Tags
• /Conditional_Tags
• /Include_tags
• /Function_Reference

4. Child Themes
• Separate template folder than parent theme
• Uses parent theme files unless overridden
• Must have a style.css file
/*
Theme Name: awesome
Theme URI: http: //beedragon.com/
Description: awesome child theme for twentyten
Author: Lori B
Author URI: http: //lbnuke.com/
Template: twentyten
Version: 1.0
*/
@import url('../twentyten/style.css'); /* import parent styles */
Parent themes: twentyten, Thematic, Hybrid, Genesis*, Thesis*
( * Commercial Theme )

5. Include Tags
Work like PHP include() statements
• <?php get_header(); ?> Includes header.php
• <?php get_sidebar(); ?> Includes sidebar.php
• <?php get_footer(); ?> Includes footer.php
• <?php get_search_form() ?> Includes searchform.php
• <?php comments_template(); ?> Includes comments.php

6. Conditional Tags
• is_home() Main blog page
• is_front_page() Front page from Settings > Reading
• is_single() Single post page
• is_sticky() Returns true if sticky box is checked
• is_page() A "page" page
• is_category() Category archive page
• is_author() Author page
• is_404() HTTP 404: Not Found error page

7. Tag Parameters
For template tags, conditional
tags, include tags, etc.
Examples:
is_page( '19' ) Page with ID 19
is_page( 'about' ) About page (slug)
is_page( 'About Me' ) About page (post title)
is_page ( array( 19, 'about', 'Contact Us' ) )
Returns true when displayed page is either post ID 19
OR post_name "about-me" OR post_title "Contact Us"

8. Conditional Tag with a Parameter
Add CSS class to posts in Category 3 only:

9. Example Post Code

10. Template Hierarchy
Home: Search: 404:
• home.php • search.php • 404.php
• index.php • index.php • index.php
Post: Page: Category:
• single- • pagename.php • category-slug.php
posttype.php • page-slug.php • category-id.php
• single.php • page-id.php • category.php
• index.php • page.php • archive.php
• index.php • index.php

11. The Loop
The Loop displays WordPress posts.

12. query_posts();
Query the WP database for pet posts:
Before the Loop: query_posts( 'post_type = pets' );
The query_posts function is intended to be used to
modify the main page Loop only.

13. Pets
Page

14. Multiple Loops: wp_query();
<!-- Start the default loop -->

15. Custom Fields

16. dob
Display the
custom fields
dob

17. Custom
Post
Type

19. Questions?