Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Composer: From Beginner to Expert
Search
Jonathan Klein
September 07, 2014
Technology
1
960
Composer: From Beginner to Expert
A talk I gave at Northeast PHP 2014. Links from this talk are at jkle.in/composer.
Jonathan Klein
September 07, 2014
Tweet
Share
More Decks by Jonathan Klein
See All by Jonathan Klein
Cognitive Biases in Engineering Organizations - Craft Conf
jklein
15
410
Demystifying SPDY and HTTP/2
jklein
1
620
Demystifying SPDY and HTTP/2
jklein
2
1.1k
Cognitive Biases in Engineering Organizations
jklein
4
2k
Upgrading the Web: Boston Web Performance Meetup
jklein
1
290
Upgrading the Web: Driving Support For New Standards
jklein
1
800
Northeastern Lunch and Learn
jklein
0
250
Profiling PHP With XHProf
jklein
1
1k
HubSpot Tech Talk - DIY Synthetic
jklein
0
330
Other Decks in Technology
See All in Technology
Digitization部 紹介資料
sansan33
PRO
1
4.5k
安定した基盤システムのためのライブラリ選定
kakehashi
PRO
3
130
伴走から自律へ: 形式知へと導くSREイネーブリングによる プロダクトチームの信頼性オーナーシップ向上 / SRE NEXT 2025
visional_engineering_and_design
3
460
AI時代にも変わらぬ価値を発揮したい: インフラ・クラウドを切り口にユーザー価値と非機能要件に向き合ってエンジニアとしての地力を培う
netmarkjp
0
130
衛星運用をソフトウェアエンジニアに依頼したときにできあがるもの
sankichi92
1
1k
Maintainer Meetupで「生の声」を聞く ~講演だけじゃないKubeCon
logica0419
0
110
20250708オープンエンドな探索と知識発見
sakana_ai
PRO
4
1k
TLSから見るSREの未来
atpons
2
310
Delegating the chores of authenticating users to Keycloak
ahus1
0
190
ビジネス職が分析も担う事業部制組織でのデータ活用の仕組みづくり / Enabling Data Analytics in Business-Led Divisional Organizations
zaimy
1
390
組織内、組織間の資産保護に必要なアイデンティティ基盤と関連技術の最新動向
fujie
0
270
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
18k
Featured
See All Featured
Code Reviewing Like a Champion
maltzj
524
40k
How to Ace a Technical Interview
jacobian
278
23k
Typedesign – Prime Four
hannesfritz
42
2.7k
Done Done
chrislema
184
16k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
229
22k
Reflections from 52 weeks, 52 projects
jeffersonlam
351
21k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.4k
Site-Speed That Sticks
csswizardry
10
700
Making Projects Easy
brettharned
116
6.3k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
282
13k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
Transcript
Composer: From Beginner to Expert Northeast PHP 2014 Jonathan Klein
@jonathanklein
jkle.in/composer
None
“The best way to use 3rd party code”
“…and autoload your code”
None
None
None
A Story in Three Acts 1. Dependency Management
A Story in Three Acts 1. Dependency Management
A Story in Three Acts 1. Using 3rd Party Code
A Story in Three Acts 1. Using 3rd Party Code
2. Autoloading Your Code
A Story in Three Acts 1. Using 3rd Party Code
2. Autoloading Your Code 3. Publishing Packages
Using 3rd Party Code
Install Composer
curl -sS https://getcomposer.org/installer | php ! mv composer.phar /usr/bin/composer
None
None
None
None
https://www.flickr.com/photos/monkeywobble/2124397478
https://www.flickr.com/photos/adrianblack/3358661327
Three Ways Composer Helps
Three Ways Composer Helps 1. Simple JSON Config File (composer.json)
Three Ways Composer Helps 1. Simple JSON Config File (composer.json)
2. Repository of Code (Packagist)
Three Ways Composer Helps 1. Simple JSON Config File (composer.json)
2. Repository of Code (Packagist) 3. Generated Autoload File (autoload.php)
Simplest JSON Config File { }
Simplest JSON Config File { "require": { "monolog/monolog": "1.10.*" }
}
Simplest JSON Config File { "require": { "monolog/monolog": "1.10.*" }
} Vendor Name
Simplest JSON Config File { "require": { "monolog/monolog": "1.10.*" }
} Vendor Name Package Name
Simplest JSON Config File { "require": { "monolog/monolog": "1.10.*" }
} Vendor Name Package Name Version Number
Composer + Packagist
None
None
None
Simplest JSON Config File { "require": { "monolog/monolog": "1.10.*" }
} Vendor Name Package Name Version Number
None
None
None
None
$ composer install
Vendor Directory
None
Vendor Directory
None
None
$ composer install
Using The Code <?php require 'vendor/autoload.php'; ! $log = new
Monolog\Logger('name'); ! …snip… ! $log->addWarning('Foo');
Using The Code <?php require 'vendor/autoload.php'; ! $log = new
Monolog\Logger('name'); ! …snip… ! $log->addWarning('Foo'); Generated autoload file
None
None
None
{ "require": { "monolog/monolog": "1.10.*", "filp/whoops": "1.*", "respect/validation": "0.5.*", "swiftmailer/swiftmailer":
"5.0.*" } } composer.json
$ composer update
composer require filp/whoops:1.* composer require respect/validation:0.5.* composer require swiftmailer/swiftmailer:5.0.*
Using The Code <?php ! require 'vendor/autoload.php'; ! use Respect\Validation\Validator
as v; ! $log = new Monolog\Logger('name'); $whoops = new \Whoops\Run; Swift::init('swiftmailer_configurator'); ! $number = 123; v::numeric()->validate($number);
Using The Code <?php ! require 'vendor/autoload.php'; ! use Respect\Validation\Validator
as v; ! $log = new Monolog\Logger('name'); $whoops = new \Whoops\Run; Swift::init('swiftmailer_configurator'); ! $number = 123; v::numeric()->validate($number);
Using The Code <?php ! require 'vendor/autoload.php'; ! use Respect\Validation\Validator
as v; ! $log = new Monolog\Logger('name'); $whoops = new \Whoops\Run; Swift::init('swiftmailer_configurator'); ! $number = 123; v::numeric()->validate($number);
Versioning
{ "require": { "monolog/monolog": "1.10.*", "filp/whoops": "1.*", "respect/validation": "0.5.*", "swiftmailer/swiftmailer":
"5.0.*" } }
composer.lock
composer.lock Commit this
None
$ composer update
None
None
vendor/autoload.php is regenerated
vendor/autoload.php should be the only include in your application
“What about MY Code?”
Autoloading Your Code
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{"Acme\\": "src/"} } }
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{"Acme\\": "src/"} } } WTF?
PSR: PHP Specification Request
None
Approved Standards PSR-0 Autoloading PSR-1 Basic Coding Standard PSR-2 Coding
Style Guide PSR-3 Logger Interface PSR-4 Improved Autoloading
Approved Standards PSR-0 Autoloading PSR-1 Basic Coding Standard PSR-2 Coding
Style Guide PSR-3 Logger Interface PSR-4 Improved Autoloading
Approved Standards PSR-0 Autoloading PSR-1 Basic Coding Standard PSR-2 Coding
Style Guide PSR-3 Logger Interface PSR-4 Improved Autoloading
What Improved?
What Improved? 1. Underscores no longer designate directories
What Improved? 1. Underscores no longer designate directories 2. Namespaces
can map to arbitrary folders
None
None
None
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{ "Acme\\": "src/" } } }
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{ "Acme\\": ["src/", "tests/"] } } }
None
Takeaway: Use PSR-4
Autoloading code <?php ! require 'vendor/autoload.php'; ! $foo = new
\Acme\Foo\Bar\Baz(); // src/Foo/Bar/Baz.php
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{"Acme\\": "src/Foo/Bar/"} } }
Autoloading code <?php ! require 'vendor/autoload.php'; ! $foo = new
\Acme\Baz(); // src/Foo/Bar/Baz.php
<?php ! namespace Acme; ! class Baz{ ! function __construct()
{ echo "Hello, World"; } }
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{ "Acme\\": "src/", "Vendor\\Namespace\\": "" } } }
“What About Functions?”
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{"Acme\\": "src/"}, "files": ["src/functions.php"] } }
None
None
Publishing Packages
{ "require": { "monolog/monolog": "1.10.*" }, ! "autoload": { "psr-4":
{"Acme\\": "src/Foo/Bar/"} } }
{ "name": "acme/hello", "description": "Prints Hello, World", "require": { "monolog/monolog":
"1.10.*" }, ! "autoload": { "psr-4": {"Acme\\": "src/Foo/Bar/"} } }
None
None
None
Private Repository with Satis
Bonus: Advanced Usage
{ "require": { "monolog/monolog": "1.10.*" }, ! "require-dev": { "phpunit/phpunit":
"3.7.*", "mockery/mockery": "0.7.*" } }
{ "scripts": { "post-update-cmd": "MyVendor\\MyClass::postUpdate", "post-package-install": [ "MyVendor\\MyClass::postPackageInstall" ], "post-install-cmd":
[ "MyVendor\\MyClass::warmCache", "phpunit -c app/" ] } }
{ "scripts": { "post-update-cmd": "MyVendor\\MyClass::postUpdate", "post-package-install": [ "MyVendor\\MyClass::postPackageInstall" ], "post-install-cmd":
[ "MyVendor\\MyClass::warmCache", "phpunit -c app/" ] } }
{ "scripts": { "post-update-cmd": "MyVendor\\MyClass::postUpdate", "post-package-install": [ "MyVendor\\MyClass::postPackageInstall" ], "post-install-cmd":
[ "MyVendor\\MyClass::warmCache", "phpunit -c app/" ] } }
Other Useful Commands
Other Useful Commands composer init
Other Useful Commands composer init composer remove <package name>
Other Useful Commands composer init composer remove <package name> composer
validate
Other Useful Commands composer init composer remove <package name> composer
validate composer self-update
Other Useful Commands composer init composer remove <package name> composer
validate composer self-update composer diagnose
Other Useful Commands composer init composer remove <package name> composer
validate composer self-update composer diagnose composer status
Wrap Up
Wrap Up • Include 3rd Party Code
Wrap Up • Include 3rd Party Code • Autoload Your
Own Code
Wrap Up • Include 3rd Party Code • Autoload Your
Own Code • Publish Packages
Thanks!
! jkle.in/composer ! @jonathanklein
[email protected]
www.etsy.com/careers