DrupalCamp Copenhagen 2009by

Lisa Risager, Morten Høybye Frederiksen,Jesper Laugesen & René Clausen Nielsen

Creative Commons Attribution-Share Alike 2.5 Denmark

Agenda1. About WordPress2. WordPress Stats3. Why so popular?4. Developing WordPress5. More than a blog6. WordPress Cases7. Questions

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1. About WordPressA little history

• Started in 2003• Successor of b2/cafelog• Focus on web standards• WordPress 1.0 was out in January, 2004• Themes introduced in 2005• WordPress.com (hosted blogs) in 2005• First WordCamp in 2006

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1. About WordPressWhere to find stuff

• Self-install: wordpress.org• Hosted: wordpress.com• Danish community: wordpress.dk• Documentation: codex.wordpress.org• Support: wordpress.org/support/• Development: trac.wordpress.org

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1. About WordPressRequirements

• PHP version 4.3 or greater• MySQL version 4.0 or greater• 5 minutes• Yes, 5 minutes!

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2. WordPress StatsDownload history

• 2005: 900,000 downloads• 2006: 1,545,703 downloads• 2007: 3,816,965 downloads

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2. WordPress Stats WordPress 2.7 has been downloaded

5,518,284times

(And it was only released on December 10, 2008)As of May 24, 2009

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2. WordPress StatsOn WordPress.org you’ll find

• 4,245 plugins, 22,152,788 downloads, all GPL.

• 791 themes, 4,938,397 downloads, all Open Source.

• 2,617 ideas, 56,802 votes, and counting.

As of May 24, 2009

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3. Why so Popular?• Ease of use for developers• Ease of use for webmasters• Ease of use for web editors• Ease of use for end users

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3. Why so Popular?• Vocabulary: Dashboard, blog, post,

page, comments, settings, appearance, plugins, widgets, media, users

• …and so on

• It is NOT primarily a framework, but an out-of-the-box blogging tool!

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3. Why so Popular?

• Made for writers – just add words!• Lets you focus on content, not

technology• Taxonomy on the go• Easy editing

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3. Why so Popular?

• Made by designers• Preview• Web standards• Focus on usability and user-testing

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3. Why so Popular?Basically:

• It’s sooooo, like, pretty. You know, like, beautiful!

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3. Why so Popular?Dead simple (and blisteringly quick) setup – as presented in the unfortunately rather

poor video at http://wordpress.23video.com/video/466604/screencast-for-drupalcamp:

00:00-01:10 Installation01:10-01:52 Password change01:52-03:52 Theme change03:52-06:27 Settings changes06:27-07:51 Editing a post (editing title, content, category, tags and a custom field)07:51-08:32 Editing post permalink08:32-09:07 Editing a comment09:07-09:20 Collapsing admin menu09:20-10:26 Installing and configuring OpenID support10:26-11:11 Finding interesting plugins11:11-12:25 Installing and configuring All in One SEO Pack12:25-14:11 Installing and configuring Google XML Sitemaps14:11-15:16 Configuring special theme options15:16-16:00 Installing Lightbox 216:00-18:28 Writing a new post with an image and resizing text field18:28-19:03 Changing shown author name19:03-22:06 Arranging widgets22:06-23:35 Rearranging and tweaking the dashboard

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3. Why so Popular?

• Next level: make your own template• Make your own plugin• Use Custom Fields• Integrate with Flickr, Facebook,

Twitter, iPhone & other stuff

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4. Developing WordPressEasy Plugin Use & Developmentplugin.php

Simple, but comprehensive, APIs:• Template tags: the_title(), the_permalink(),

get_the_time(), the_time(), get_bookmarks(), ... • Actions: atom_head, wp_head, loop_start, ...• Filters: comment_url, the_title, the_title_rss...• Function override: wp_mail(), get_userdata(), …• Helper functions: is_404(), is_search(), ...

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4. Developing WordPress

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Themes & The Loopindex.php

<?php get_header(); ?><?php if ( have_posts() ) : while ( have_posts() ) :

the_post(); ?><!-- HTML, PHP & template tags etc. --><?php endwhile; else: ?><p><?php _e('Sorry, no posts matched your criteria.'); ?

></p><?php endif; ?><?php get_footer(); ?>

4. Developing WordPressTheme developmentstyle.css + index.php

• Functional templates: functions.php, 404.php, archive.php, page.php, single.php, ...

• Multiple loops: rewind_posts(), query_posts('category_name=wp'), new WP_Query('tag=drupal&order=ASC')

• Configuration: add_theme_page()• Parent-child themes: TEMPLATE: sandbox

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5. More than a blogGo all the way!

• Podcasting• VideoPress• bbPress• WordPress MU• BuddyPress

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5. More than a blog

5. More than a blog

6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

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6. WordPress Cases

Se more cases at WordPress Showcase

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7. Questions?

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