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Dr. Mirko Junge / Wikimedia Commons (CC)

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Public domain

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Brooklyn Museum / Wikimedia Commons

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Brooklyn Museum / Wikimedia Commons

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Christophe Finot / Wikimedia Commons (CC)

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Contributing to WordPress Core Peter Wilson • peterwilson.cc • @pwcc

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Contributing to WordPress Peter Wilson • peterwilson.cc • @pwcc

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Contributing to WordPress Core Peter Wilson • peterwilson.cc • @pwcc

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} else { $classes[] = 'page-template-default'; Index: /trunk/wp-includes/post-template.php ================================================================= --- /trunk/wp-includes/post-template.php (revision 18411) +++ /trunk/wp-includes/post-template.php (revision 18412) @@ -490,4 +490,6 @@ $classes[] = 'page-template'; $classes[] = 'page-template-' . sanitize_html_class( str_repla + } else { + $classes[] = 'page-template-default'; } } elseif ( is_search() ) {

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Sites using WordPress Jan 2011 onward (%) 5.0% 10.0% 15.0% 20.0% 25.0% 30.0% 1 Jan 2011 1 Jan 2012 1 Jan 2013 1 Jan 2014 1 Jan 2015 1 Jan 2016 30 Jul 2016 w3techs.com, July 2016

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wordpress.org/about/philosophy/

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WordPress Core Trac core.trac.wordpress.org

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core.trac.wordpress.org

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core.trac.wordpress.org/browser

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make.wordpress.org/core/reports/

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core.trac.wordpress.org/my-comments

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core.trac.wordpress.org/tickets/major

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Boring

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Sites using WordPress 5.0% 10.0% 15.0% 20.0% 25.0% 30.0% 1 Jan 2011 1 Jan 2012 1 Jan 2013 1 Jan 2014 1 Jan 2015 1 Jan 2016 30 Jul 2016 Boring

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Checkout WordPress Core A version control love story.

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Checkout WordPress via SVN wordpress-develop https://develop.svn.wordpress.org/trunk/ ↩ svn checkout ↩

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Checkout WordPress Core A version control love story.

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Clone WordPress via Git wordpress-develop git://develop.git.wordpress.org ↩ git clone ↩

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Contribute with SVN or Git

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Public domain

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Public domain

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Contributing within five minutes

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localhost/phpmyadmin

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localhost/phpmyadmin

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localhost/phpmyadmin

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localhost/phpmyadmin

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localhost/phpmyadmin

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localhost/phpmyadmin

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localhost

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DB username: root DB password: root

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core.trac.wordpress.org/tickets/good-first-bugs

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Creating a patch

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~$

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~$ git pull

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~$ git pull Updating 470a9fa..e7a6afc Fast-forward src/wp-includes/js/swfupload/swfupload.js|2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ~$

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WordCamp Easter Egg

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WordCamp Easter Egg

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WordCamp Easter Egg

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WordCamp Easter Egg

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WordCamp Easter Egg

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WordCamp Easter Egg

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Public domain

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Malcolm Best (CC)

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This is what happens in a world without standards.

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Saroar Zubair (CC), flic.kr/p/a1ePPd

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WordPress Coding Standards

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make.wordpress.org/core/coding-standards/

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WordPress Coding Standards

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Spaces

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No inline control structures

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No inline control structures

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No inline control structures

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Single quotes preferred

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Yoda Conditions

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=== != ==

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Uploading a patch

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WordCamp Easter Egg } } $title = get_the_title( $post_id ); if ( 'WordCamp Sydney' === $title ) { $classes[] = sanitize_html_class( 'September, 2016' ); } if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id);

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WordCamp Easter Egg } } $title = get_the_title( $post_id ); if ( 'WordCamp Sydney' === $title ) { $classes[] = sanitize_html_class( 'September, 2016' ); } if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); src/wp-includes/post-template.php

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WordCamp Easter Egg git diff

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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WordCamp Easter Egg diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 7994f89..f1a0cad 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -614,6 +614,11 @@ function get_body_class( $class = '' ) { } } + $title = get_the_title( $post_id ); + if ( 'WordCamp Sydney' === $title ) { + $classes[] = sanitize_html_class( 'September, 2016' ); + } + if ( is_attachment() ) { $mime_type = get_post_mime_type($post_id); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/'...

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Generating a patch > ~/Downloads/37941.diff git diff

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git diff Generating a patch > ~/Downloads/37941.diff

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You retain the copyright. You license your code to WordPress

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Let the code reviews begin

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flic.kr/p/y35dEE (CC)

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Hack WordPress core, contribute code back.

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Hack WordPress docs, contribute docs back.

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Translate WordPress, help spread the word.

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Contribute however you can, however you feel comfortable.

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Thank you Peter Wilson • peterwilson.cc • @pwcc