Using & Extending Composer

www.easybib.com [email protected]
Using & Extending Composer
Your daily life with Composer

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Till
I’m Till Klampäckel

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Till
Good to meet you.

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Find me online
@klimpong 
http://github.com/till 
http://till.klampaeckel.de/ 

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Till
15 years of experience

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ImagineEasy Solutions LLC
An information literacy company.

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Information Literacy
•avoid plagiarism

•evaluate sources

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EasyBib.com
EasyBib is an citation management platform. 40 million students use EasyBib every year.
Over 1000 institutions subscribe, including 100 large US universities and 900 high schools
and districts.

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ResearchReady.com
ResearchReady teaches information literacy skills in a core curriculum. Universities and
districts subscribe to give their students a research skill boost. Launched in January 2013.

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Stack
•PHP (5.3 & 5.4, on the way to 5.5)

•Nginx + Linux

•AWS (OpsWorks, RDS, ElasticCache)

•Solr, ElasticSearch

•CouchDB / BigCouch

•Travis-CI, PHPUnit, Behat

•Vagrant, Chef, Virtualbox, Packer

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Commercial break
Some rights reserved by claire.whitehouse
http://www.ﬂickr.com/photos/citysnidget/
SOUNDS GOOD? 
WE’RE HIRING!
[email protected]

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Composer
We embrace it.

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Composer
Dependency management

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Composer
Dependency resolution

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Composer
Semantic Versioning 

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Composer
Major.Minor.Bugﬁx 
1.0.1

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Composer
http://semver.org/

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Composer
Your ﬁrst package

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Composoring your code
{ 
“name”: “till/secret-sauce”, 
“license”: “MIT” 
}

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Next step
Publish code. —

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Packagist
•register on packagist.org
•submit your package
•setup the service-hook 
(Github)

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Ship it!

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Shipping it
• `git tag -a 1.0.0 -m “this is my rock-solid 1.0.0”` 
`git push --tags`

• `svn cp trunk tags/1.0.0`

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Consuming
{ 
“name”: “fabpot/awesome”, 
“require”: { 
“till/secret-sauce”: “~1.0” 
} 
}

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Consuming
{ 
“repositories”: [ 
{ 
“type”:”package”, 
“package”: { 
“name”: “sensio/legacy-code”, 
“version”: “3.2.4”, 
“dist”: { 
“url”: “http://dev.local/secret.zip”, 
“type”: “zip” 
} 
} 
} 
], 
“require”: { 
“sensio/legacy-code”: “3.2.4”, 
} 
}

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ACHTUNG, ACHTUNG.

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Repositories
• Repositories are not inherited.

• Put open source code on packagist, or get satis.

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Consuming
• There are a lot, lot more options.

• Check http://getcomposer.org/

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Installing
cd awesome-application 
curl -sS http://getcomposer.org/installer |php 
./composer.phar install

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What else?
• Update your dependencies.

• Search for dependencies.

• Development dependencies.

• Classmap and PSR-0 autoloaders.

• “help”

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Breath.

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One more thing
Do you know composer’s global command?

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Go PEAR! Go global!
•$COMPOSER_HOME/composer.json
•./composer.phar global install

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Satis
Your own private packagist.org.

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Because what could go wrong?

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Things that will go wrong
• Github is down.

• Packagist is down.

• Internet is slow.

• Internet doesn’t work.

• Tags get deleted. (cc fabpot :)

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Own your availability!

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Captain Obvious
Your proprietary code is private.

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Setup
./composer.phar \ 
create-project \ 
composer/satis \ 
--stability=dev \ 
--prefer-dist

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satis.json
{ 
"name": "Till's satis", 
"homepage": "http://satis.local", 
"require-all": true, 
"repositories": [ 
{"packagist": false}, 
{ 
"type":"vcs", 
"url":"http://github.com/fabpot/symfony" 
} 
] 
}

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Build
./bin/satis build ./satis.json public
php -S 0.0.0.0:80 -t public

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Build

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Go back
{ 
“repositories”: [ 
{ 
“type”:”composer”, 
“url”: “http://satis.local” 
} 
], 
“require”: { 
“sensio/legacy-code”: “3.2.4”, 
} 
}

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Next steps
• fork code — e.g. to a local backup server

• generate your own downloads

• conﬁgure Amazon S3 as a backend

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Next steps
http://www.ﬂickr.com/photos/mightymightymatze/

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Want even more?

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Extending Composer
Or, bending Composer to your will.

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Plugins

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Composer installer

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Composer installer
Install jQuery, bootstrap, etc.!

https://github.com/RobLoach/component-installer

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Composer installer
• aura

• ezPublish

• ﬂow/typo3

• fuel

• magento

• wordpress

• yii

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Event-Plugins

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Plugin Events
COMMAND 
https://github.com/easybiblabs/composer-newrelic 

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Plugin Events
PRE_FILE_DOWNLOAD 
https://github.com/naderman/composer-aws 

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Using & Extending Composer

Using & Extending Composer

Till Klampaeckel

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