wordpress for the modern php developer

@tweetingsherry #phpuk17

~ ChrisSherry $ WordPress for the modern PHP developer

Version Control

See who changed what, when

See who changed what, whenMultiple people working on the same files simultaneously

See who changed what, whenMultiple people working on the same files simultaneouslyWork on features in parallel

See who changed what, whenMultiple people working on the same files simultaneouslyWork on features in parallelRoll back to previous versions

See who changed what, whenMultiple people working on the same files simultaneouslyWork on features in parallelRoll back to previous versionsGo home on time

ALL THE THINGS

~/site $ git init ~/site $ git add —-all

.git index.php readme.htmllicense.txt wp-activate.php wp-admin wp-blog-header.php

wp-comments- post.php

wp-config- sample.php

wp-config.php wp-content wp-cron.php wp-includes wp-links-opml.php

wp-load.php wp-login.php wp-mail.php wp-settings.php wp-signup.php wp-trackback.php xmlrpc.php

Our users can change our codebase using the editor tool

... define('DISALLOW_FILE_EDIT', true);

/wp-config.php

... define('DISALLOW_FILE_EDIT', true);

/wp-config.php

define('AUTOMATIC_UPDATER_DISABLED', true);

.git index.php

wp-config.php

readme.htmllicense.txt wp-activate.php wp-admin wp-blog-header.php

wp-content wp-cron.php wp-includes wp-links-opml.php

.git index.php wp-config.phpwordpress

if (!defined('ABSPATH')) { define(

'ABSPATH', dirname(__FILE__) . '/'

/wp-config.php...

if (!defined('ABSPATH')) { define(

'ABSPATH', dirname(__FILE__) . '/wordpress/'

/wp-config.php...

option_value https://site.com https://site.com WordPress Just another WordPress site ...

option_name siteurl

home blogname

blogdescription ...

wp_options

option_value https://site.com https://site.com WordPress Just another WordPress site ...

/wordpressoption_name

siteurl home

blogname blogdescription

wp_options

wp-content wp-cron.php wp-includes wp-links-opml.php wp-load.php wp-login.php

wp-content wp-cron.php

index.php

wp-includes

plugins themes

wp-links-opml.php wp-load.php wp-login.php

index.php

wp-includes

plugins themes

index.php hello.php

index.php

wp-includes

plugins themes

index.php twentyeleven twentytwelve twentythirteen twentyfourteen twentyfifiteen twentysixteen

index.php

wp-includes

plugins themes

wp-content

index.php twentyeleven twentytwelve twentythirteen twentyfourteen twentyfifiteen twentysixteen

.git index.php wp-config.phpwordpress wp-content

plugins themes

advanced-custom-fields debug-bar awesome-plugin

define( 'WP_CONTENT_DIR', $_SERVER['DOCUMENT_ROOT'] . '/wp-content' ); define( 'WP_CONTENT_URL', '/wp-content' );

/wp-config.php...

core code

core code application code

YOU MADE A NEW FOLDER

I’M GLAD I CHOSE THIS TRACK

GENE WILDER 1933-2016

.git index.php wp-config.phpwordpress wp-content.gitignore

/.DS_Store

/wordpress

/.gitignore

~ $ git clone https://github.com/chrissherry/site

.git index.php wp-config.php wp-content.gitignore

Dependency Management

github.com/johnpbloch/wordpress

Default

type:library

/vendor/[vendor]/[name]

Default

type:library

/vendor/[vendor]/[name]

Custom

type: wordpress-core

/wordpress

~/site $ composer require johnpbloch/wordpress

~/site $ composer init

~/site $ composer install

~/site $ composer require johnpbloch/wordpress

{ "require": { "johnpbloch/wordpress": "^4.5"}

/composer.json

~/site $ composer init

~/site $ composer install

index.php wp-config.phpwordpress wp-contentcomposer.json composer.lock.gitignore

index.php wp-config.phpwordpress wp-content

plugins themes

advanced-custom-fields

composer.json composer.lock.gitignore

debug-bar awesome-plugin

wpackagist.org

type: wordpress-plugin /wp-content/plugins type: wordpress-theme /wp-content/themes

Custom

plugins themes

github.com/composer/installers

{ "require": { "johnpbloch/wordpress": "^4.5", "wpackagist-plugin/advanced-custom-fields": "~4.4"}

/composer.json

https://wordpress.org/plugins/advanced-custom-fields

{ "require": { "johnpbloch/wordpress": "^4.5", "wpackagist-plugin/advanced-custom-fields": "4.4"}

/composer.json

{ "require": { "johnpbloch/wordpress": "^4.5", "wpackagist-plugin/advanced-custom-fields": "4.4"}

/composer.json

/composer.json{ "require": { "johnpbloch/wordpress": "^4.5", "wpackagist-plugin/advanced-custom-fields": "4.4"}, "repositories": [ { "type": "composer", "url": "https://wpackagist.org" } ]

{ "require": { "johnpbloch/wordpress": "^4.5", "wpackagist-plugin/advanced-custom-fields": "4.4"}, "require-dev": { "wpackagist-plugin/debug-bar": "*"}, "repositories":[...]

/composer.json

~/site $ composer require —-dev wpackagist-plugin/debug-bar

plugins themes

advanced- custom-fields

awesome-plugindebug-bar

plugins themes

/wordpress/wp-content/plugins/* !/wp-content/plugins/.gitkeep

/.gitignore

plugins themes

/wordpress/wp-content/plugins/*!/wp-content/plugins/.gitkeep !/wp-content/plugins/awesome-plugin

/.gitignore

github.com/chrissherry/awesome-plugin

chrissherry/awesome-plugin v1.0

TAGS v1.0 (awesome)v2.0 (more awesome!) Site B

Site AGithub

github.com/chrissherry/awesome-plugin/composer.json

{ "require": { {...}, "chrissherry/awesome-plugin": "~1.0" }

/composer.json

{ "require": { {...}, "chrissherry/awesome-plugin": "~1.0" } , "repositories": [ {...},

{ "type": "vcs", "url": "https://github.com/chrissherry/awesome-p..." }

/composer.json

plugins themes

advanced-custom-fields

plugins themes

awesome-theme

plugins themes

awesome-theme storefront sydney twentysixteen

/.gitignore

/wp-content/themes/* !/wp-content/themes/.gitkeep

/.gitignore

/wp-content/themes/* !/wp-content/themes/.gitkeep!/wp-content/themes/awesome-theme

/.gitignore

ONE DOES NOT SIMPLY

CLICK TO UPDATE THINGS

wordpress.org/plugins/members

{ "require": { ..., "wpackagist-plugin/members": "1.1.3" },

"repositories":[...] }

/composer.json

~/site $ composer require wpackagist-plugin/members

Defined versions for dependancies

Defined versions for dependanciesLess third party code in the repository

Defined versions for dependanciesLess third party code in the repositoryGreater reliance on 3rd party availability

Uploads

/wordpress

/wp-content/uploads/* /wp-content/plugins/*!/wp-content/plugins/.gitkeep

/.gitignore

s3tools.org/s3cmd

github.com/humanmade/s3-uploads

~/site $ composer require hadyfayed/s3-uploads

{ "require": { ..., "hadyfayed/s3-uploads": "2.0" },

"repositories":[...] }

/composer.json

~/site $ rsync -avz user@site.com:/var/www/mysite/wp-content/uploads wp-content/uploads

Smaller repository -don’t need version control over uploads

Smaller repository -don’t need version control over uploadsFaster clone and deploy times

Smaller repository -don’t need version control over uploadsFaster clone and deploy timesRemote backups of our uploads

Databases

prod:~/site $ mysqldump -u user -p dbname > db.sql

~/site $ scp user@site.com:site/db.sql db.sql

~/site $ mysql -u user -p dbname < db.sql

Environments

option_name siteurl

home blogname

blogdescription ...

option_value https://site.com/wordpress https://site.com WordPress Just another WordPress site ...

wp_options

option_name siteurl

home blogname

blogdescription ...

option_value https://staging.site.com/wordpre… https://staging.site.com WordPress Just another WordPress site ...

wp_options

define('WP_HOME', 'https://site.com'); define('WP_SITEURL', 'https://site.com/wordpress');

/wp-config.php

//define('WP_HOME', 'https://site.com'); //define('WP_SITEURL', 'https://site.com/wordpress… define('WP_HOME', 'https://staging.site.com'); define('WP_SITEURL', 'https://staging.site.com/wor…

/wp-config.php...

server { listen 443; server_name staging.site.com; env WP_ENV=staging ...

/etc/nginx/sites-enabled/vhost.conf

switch ($_ENV['WP_ENV']) { case 'staging': define('WP_HOME', 'https://staging.site.com… define('WP_SITEURL', 'https://staging.site.… ...

/wp-config.php

switch ($_ENV['WP_ENV']) { case 'staging': define('WP_HOME', 'https://staging.site.com… define('WP_SITEURL', 'https://staging.site.… ...

/wp-config.php

define('WP_HOME', 'https://staging.site.com… define('WP_SITEURL', 'https://staging.site.…

define('DB_NAME', 'database_name_here');define('DB_USER', 'username_here');define('DB_PASSWORD', 'password_here');define('DB_HOST', 'localhost'); define('WP_HOME', 'https://site.com'); define('WP_SITEURL', 'https://site.com/wordp… define('AUTH_KEY', 'put your unique phrase…define('SECURE_AUTH_KEY', 'put your unique phrase…define('LOGGED_IN_KEY', 'put your unique phrase… define('WP_DEBUG', true);

... /wp-config.php

define('DB_NAME', 'database_name_here');define('DB_USER', 'username_here');define('DB_PASSWORD', 'password_here');define('DB_HOST', 'localhost'); define('WP_HOME', 'https://site.com'); define('WP_SITEURL', 'https://site.com/wordp… define('AUTH_KEY', 'put your unique phrase…define('SECURE_AUTH_KEY', 'put your unique phrase…define('LOGGED_IN_KEY', 'put your unique phrase… define('WP_DEBUG', true); ...

... /wp-config.php

define('DB_NAME', 'database_name_here');define('DB_USER', 'username_here');define('DB_PASSWORD', 'password_here');define('DB_HOST', 'localhost'); define('WP_HOME', 'https://site.com'); define('WP_SITEURL', 'https://site.com/wordp… define('AUTH_KEY', 'put your unique phrase…define('SECURE_AUTH_KEY', 'put your unique phrase…define('LOGGED_IN_KEY', 'put your unique phrase…define('WP_DEBUG', true); ...

... /wp-config.php

KEEP IT SAFE

KEEP IT SECRET

github.com/vlucas/phpdotenv

{ "require": { {...} "vlucas/phpdotenv": "^1.0" }, ...

/composer.json

~/site $ composer require vlucas/phpdotenv

index.php

wp-config.php

wordpress

wp-content

composer.json composer.lock.gitignore.git.env

vendor

index.php

wp-config.php

wordpress

wp-content

vendor

index.php

wp-config.php

wordpress

wp-content

vendor

DB_NAME=dbnameDB_USER=userDB_PASSWORD=correcthorsebatterystapleDB_HOST=localhost WP_ENV=developmentWP_HOME=https://site.comWP_SITEURL=https://site.com/wordpress

require_once dirname(__DIR__).'/vendor/autoload.php';<?php /wp-config.php

Dotenv::load('.env');

Dotenv::load('.env'); define('DB_NAME', $_SERVER['DB_NAME']));define('DB_USER', $_ENV['DB_USER']); define('DB_PASSWORD', getenv('DB_PASSWORD'));define('DB_HOST', getenv('DB_HOST'));

define('WP_HOME', getenv('WP_HOME')); define('WP_SITEURL', getenv('WP_SITE_URL’)); ...

Dotenv::load('.env'); define('DB_NAME', $_SERVER['DB_NAME']));define('DB_USER', $_ENV['DB_USER']); define('DB_PASSWORD', getenv('DB_PASSWORD'));define('DB_HOST', getenv('DB_HOST'));

define('WP_HOME', getenv('WP_HOME')); define('WP_SITEURL', getenv('WP_SITE_URL’)); ...

Dotenv::load('.env');

define('DB_NAME', $_SERVER['DB_NAME']));define('DB_USER', $_ENV['DB_USER']);define('DB_PASSWORD', getenv('DB_PASSWORD'));define('DB_HOST', getenv('DB_HOST')); ...

Dotenv::load('.env');Dotenv::required(['DB_NAME', 'DB_USER', 'DB_PASSWORD', 'WP_HOME', 'WP_SITEURL']);

define('DB_NAME', $_SERVER['DB_NAME']));define('DB_USER', $_ENV['DB_USER']);define('DB_PASSWORD', getenv('DB_PASSWORD'));define('DB_HOST', getenv('DB_HOST')); ...

/wordpress

/wp-content/uploads/* ...

/.gitignore

Easy to locate and update

Easy to locate and updatePer environment configuration

Easy to locate and updatePer environment configurationNot in source control

Easy to locate and updatePer environment configurationNot in source controlReady for open source

Easy to locate and updatePer environment configurationNot in source controlReady for open sourceEasy to store outside of webroot

index.php

wp-config.php

wordpress

wp-content

vendor

index.php

wp-config.php

wordpress

wp-content

server { ... root /var/www/site ...

vendor

index.php

wp-config.php

wordpress

wp-content

vendor

composer.json composer.lock.gitignore.git.env web

vendor

index.php wp-config.php wordpress wp-content

composer.json composer.lock.gitignore.git.env web vendor

Only keeping what we need in version control

Only keeping what we need in version controlDependencies managed

Only keeping what we need in version controlDependencies managedBackups of uploads & databases

Only keeping what we need in version controlDependencies managedBackups of uploads & databasesIsolated configuration for environments

roots.io/bedrock

I DONT ALWAYS USE BEDROCK

Only keeping what we need in version control Dependencies managed Backups of uploads & databases Isolated configuration for environmentsActive open source community

index.php wp-config.php wp app

/composer.json

/composer.json{ ..., "extra": { "installer-paths": { "web/app/plugins/{$name}/": ["type:wordpress-plugin"], "web/app/themes/{$name}/": ["type:wordpress-theme"] }, "wordpress-install-dir": "wp" } } }

index.php wp-config.php

wp app

index.php wp-config.php

wp-contentwp app

Virtual Machines

vagrantup.com

Virtual Machine(Virtual Server)

Host MachineVirtual Machine(Virtual Server)

PHP 7.1

Host Machine

PHP 7.1

Host Machine

PHP 7.1

Host Machine

PHP 7.1

Remote Server A

PHP 7.1

Host Machine

PHP 7.1

Remote Server A

Remote Server B

PHP 5.2

PHP 7.1

Host Machine

PHP 7.1

Remote Server A

Remote Server B

PHP 5.2

PHP 7.1

Host Machine

PHP 7.1

Remote Server A

FatalErrorException

Virtual Machine A Remote Server A

Remote Server BVirtual Machine B

PHP 7.1

PHP 5.2

PHP 7.1

PHP 5.2

Host machine uncluttered

Host machine unclutteredSoftware versions contained

Host machine unclutteredSoftware versions containedSimilar as possible to production

Host machine unclutteredSoftware versions containedSimilar as possible to productionShared filesystem runs slow

Host machine unclutteredSoftware versions containedSimilar as possible to productionShared filesystem runs slowMemory hungry

WHY IS THE RAM

ALWAYS GONE

Provisioning

ansible.com

php 7.1

php 7.1php 7.1

php 7.1

php 7.1php 7.1

php 7.1

Provision servers with single command

Provision servers with single commandDescriptive configurations

Provision servers with single commandDescriptive configurationsIdempotency (same when repeated)

Provision servers with single commandDescriptive configurationsIdempotency (same when repeated)Reproducable servers

roots.io/trellis

Multisite, wp-cli, etc

Multisite, wp-cli, etcDeploy script with build hooks

Multisite, wp-cli, etcDeploy script with build hooksActive open source community

Multisite, wp-cli, etcDeploy script with build hooksActive open source communityUsually does more than you need

Multisite, wp-cli, etcDeploy script with build hooksActive open source communityUsually does more than you needFiddly to update

~/site $ git remote add upstream https://github.com/ roots/trellis.git

~/site $ git remote -v origin git@github.com:chrissherry/site.git (fetch) origin git@github.com:chrissherry/site.git (push) upstream git@github.com:roots/trellis.git (fetch)

~/site $ git fetch upstream master

~/site $ git merge -X subtree=trellis --squash upstream/master

MERGE CONFLICTS

MERGE CONFLICTS EVERYWHERE

roots.io/trellis

Autoloading

require_once dirname(__DIR__).'/vendor/autoload.php';<?php

/wp-config.php

@tweetingsherry #phpuk17 You’re awesome

Thank you

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