The WordPress Hacker's Guide to the \Galaxy() [@MidwestPHP]

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The WordPress Hacker’s Guide to the \Galaxy() Saturday, March 2, 13

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Having started out as a self-described "WordPress hacker", it's taken me years to discover how to incorporate best practices into a WordPress context. I'll share a brief overview of the plugin devleopment concepts I wish I'd understood earlier, including object-oriented architecture, interface-like dependency management, robust app-like directory structure, super-charged deployment, the power of WP constants and APIs, and more.

Transcript of The WordPress Hacker's Guide to the \Galaxy() [@MidwestPHP]

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The WordPress Hacker’s Guide to the \Galaxy()

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@rhodesjasongithub.com/jasonrhodesnotrobotic.com

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Terrible design buried under a mountain of spaghetti code

Reading through [WordPress code] is like jabbing red-hot fire pokeys into your eyes.

BEHOLD WORDPRESS, DESTROYER OF CPUS

remote shell with cms on side, aka: shit

shit plugins

WordPress is for cat pictures and diary entries.

code is crapcrapcrap

F$%@ THAT F$%@ THAT F$%@ THAT F$%@ THAT F$%@ THAT F$%@ THAT

WordPress is... just adequate

WordPress is for amateurs.

WordPress is... terrifyingly insecure.

No good default caching, it will kill your server if you don’t know what you’re doing

Stack Overflow spam questions

Not a “real” CMS and definitely not a “real” framework

WordPress, as described by various PHP developers

A really terrible database structure

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WORDPRESS IS NOT THE DEVIL

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WORDPRESS IS

PHPSaturday, March 2, 13

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WORDPRESS IS

CODESaturday, March 2, 13

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BETTER CODEBETTER PHPBETTER WORDPRESS

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THE WP HACKER’S GUIDE TO THE GALAXY

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+

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THE WP HACKER’S GUIDE TO THE GALAXY

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FOLDER STRUCTURE

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mysite /wp-admin /wp-content /wp-includes index.php wp-config.php wp-{etc}.php

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mysite index.php /wp

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WP GIANTS: MARK JAQUITH

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mysite /config /environments environment-config.php /public /content /wp index.php wp-config.php/vendor

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LET’S WRITE SOME PLUGIN CODE

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YES, PLUGINS(NOT FUNCTIONS.PHP)

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MUST USE PLUGINS

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/plugins cornify.php /batcache/themes/uploads

content

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/plugins cornify.php /batcache/themes/uploads

content/mu-plugins

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Filters filter.Actions (usually) have side effects.

What’s the difference between actions and filters?

http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/

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http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/
http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/
http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/
http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/
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add_action(“action_name”, “function_name”);

CALLABLE

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array($object, “method_name”)

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LET’S USE OOP

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WP GIANTS: SCRIBU

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LET’S NAMESPACE

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‣ Load JS/CSS with enqueue functions

‣Write tests (PHPUnit and QUnit)

‣ Experiment with WP-CLI

‣ Fun with caching

‣ Use the APIs

‣ Deploy smart

MORE GOOD THINGS

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‣ Rewrite API‣ Settings API‣ Shortcode API‣ Theme Modification API‣ Theme Customization API‣ Transients API‣ Widgets API‣ XML-RPC WordPress API

‣ Database API‣ HTTP API‣ File Header API‣ Filesystem API‣ Metadata API‣ Options API‣ Plugin API‣ Quicktags API

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http://codex.wordpress.org/Rewrite_API
http://codex.wordpress.org/Rewrite_API
http://codex.wordpress.org/Settings_API
http://codex.wordpress.org/Settings_API
http://codex.wordpress.org/Shortcode_API
http://codex.wordpress.org/Shortcode_API
http://codex.wordpress.org/Theme_Modification_API
http://codex.wordpress.org/Theme_Modification_API
http://codex.wordpress.org/Theme_Customization_API
http://codex.wordpress.org/Theme_Customization_API
http://codex.wordpress.org/Transients_API
http://codex.wordpress.org/Transients_API
http://codex.wordpress.org/Widgets_API
http://codex.wordpress.org/Widgets_API
http://codex.wordpress.org/XML-RPC_WordPress_API
http://codex.wordpress.org/XML-RPC_WordPress_API
http://codex.wordpress.org/Database_API
http://codex.wordpress.org/Database_API
http://codex.wordpress.org/HTTP_API
http://codex.wordpress.org/HTTP_API
http://codex.wordpress.org/File_Header_API
http://codex.wordpress.org/File_Header_API
http://codex.wordpress.org/Filesystem_API
http://codex.wordpress.org/Filesystem_API
http://codex.wordpress.org/Metadata_API
http://codex.wordpress.org/Metadata_API
http://codex.wordpress.org/Options_API
http://codex.wordpress.org/Options_API
http://codex.wordpress.org/Plugin_API
http://codex.wordpress.org/Plugin_API
http://codex.wordpress.org/Quicktags_API
http://codex.wordpress.org/Quicktags_API
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mysite current -> releases/1362181983 /releases /1362181983 /1362153455 /1362141927 /shared /config /files

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@rhodesjason

Please rate this talkhttps://joind.in/8209

Slides, notes, example code:http://notrobotic.com/talks/2013-02-20-wpgalaxy.html

Saturday, March 2, 13

https://joind.in/talk/view/8209
https://joind.in/talk/view/8209
http://notrobotic.com/talks/2013-02-20-wpgalaxy.html
http://notrobotic.com/talks/2013-02-20-wpgalaxy.html
http://notrobotic.com/talks/2013-02-20-wpgalaxy.html
http://notrobotic.com/talks/2013-02-20-wpgalaxy.html

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