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



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



.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



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 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


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


/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


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

/.gitignore



plugins themes

advanced- custom-fields




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

/.gitignore


github.com/chrissherry/awesome-plugin


chrissherry/awesome-plugin v1.0

v2.0

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

Site AGithub


github.com/chrissherry/awesome-plugin


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



/.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

http://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 [email protected]:/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 [email protected]: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


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

/.env


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')); ...



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')); ...


/.env

/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


web



/web

vendor


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



/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 wordpress wp-content



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

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 7.1

php 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 add upstream https://github.com/ roots/trellis.git

~/site $ git remote -v origin [email protected]:chrissherry/site.git (fetch) origin [email protected]:chrissherry/site.git (push) upstream [email protected]: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


~ ChrisSherry $ WordPress for the modern PHP developer

@tweetingsherry #phpuk17 You’re awesome

Thank you


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