Download as PDF, PPTX
Uploaded byTareq Hasan
Composer - The missing package manager for PHP
The document discusses Composer, a package manager for PHP, emphasizing its advantages over PEAR, particularly its per-project usage and management of dependencies. It outlines how to install and utilize Composer, manage dependencies through composer.json and composer.lock files, and instructs on autoloading standards like PSR-4. Additionally, it touches on the importance of consistent library versions across development teams and provides resources for further exploration.
More Related Content
Similar to Composer - The missing package manager for PHP
![Composer the right way [SweetlakePHP]](https://cdn.slidesharecdn.com/ss_thumbnails/composer-right-way-sweetlake-141202141205-conversion-gate01-thumbnail.jpg?width=640&height=640&fit=bounds)
Composer - The missing package manager for PHP
- 1. COMPOSER The missing packagemanager for PHP
- 2.
- 3.
- 4.
- 5. SHARING WASN’T CARING •Autoloading PHP Classes • Dependencies? • Where does this thing go?
- 6. WHY BOTHER? • Asa developer, you want to use consistent version of libraries/dependencies and tools • Consistent versioning across all team members • Share your own library
- 7. WHY BOTHER? More developers,more dependency problem PHPUnit 3.6.10 Behat 2.3.5 Monolog 1.0 PHPUnit 3.4.15 Behat 2.2 Monolog 1.2 Hasin Rifat
- 8. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts
- 9. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts
- 10. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts
- 11. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts
- 12. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts
- 13. SOLUTIONS • PEAR • SVNExternals • Git Submodules • Vendor Management Scripts Composer!
- 14. Isn’t PEAR andthe PEAR installer the de-facto PHP package manager?
- 15. Isn’t PEAR andthe PEAR installer the de-facto PHP package manager? Yep
- 16. Why not PEAR? •PEAR tends to be used globally* • Composer is intended to be used in a per-project manner • Spread out channels • Strict Standards * pear can be installed per-project. But we are not gonna talk about it.
- 17. COMMON SOLUTION $ cd~/projects/my_awesome_project/vendor/ $ mkdir Behat && cd Behat $ wget https://github.com/downloads/Behat/Behat/behat.phar $ cd ../../ $ php vendor/Behat/behat.phar tests/features/
- 18. COMMON SOLUTION $ cd~/projects/my_awesome_project/vendor/ $ mkdir Behat && cd Behat $ wget https://github.com/downloads/Behat/Behat/behat.phar $ cd ../../ $ php vendor/Behat/behat.phar tests/features/ Or use a git submodule… or an SVN external if it’s still 2007
- 19. COMMON SOLUTION $ cd~/projects/my_awesome_project/vendor/ $ mkdir Behat && cd Behat $ wget https://github.com/downloads/Behat/Behat/behat.phar $ cd ../../ $ php vendor/Behat/behat.phar tests/features/ Or use a git submodule… or an SVN external if it’s still 2007 BUT, we can do better…
- 20.
- 21.
- 22.
- 23. Install Composer With PEAR ForMaximumTrolling
- 24. Install Composer With PEAR ForMaximumTrolling
- 25. Install Composer With PEAR ForMaximumTrolling I am kidding!
- 26.
- 27. INSTALLING COMPOSER Locally $ curl-sS https://getcomposer.org/installer | php
- 28. INSTALLING COMPOSER Locally $ curl-sS https://getcomposer.org/installer | php
- 29. INSTALLING COMPOSER Locally $ curl-sS https://getcomposer.org/installer | php Globally $ curl -sS https://getcomposer.org/installer | php $ mv composer.phar /usr/local/bin/composer
- 30. NowYou Can UseComposer
- 31. I Am BuildingA Project How Composer can help me?
- 32. COMPOSER 101 Getting thedependencies
- 33. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/
- 34. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/ $ vi composer.json
- 35. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root
- 36. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root
- 37. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root • Exact version • Range • Wildcard • Tilde
- 38. COMPOSER 101 Getting thedependencies $ cd ~/Desktop/composer-test/ $ vi composer.json $ composer.phar install put this in your project root • Exact version • Range • Wildcard • Tilde
- 41.
- 42.
- 43. Your dependency’s dependencies Yourdependency
- 44. Your dependency’s dependencies Yourdependency
- 45. Your dependency’s dependencies Yourdependency Suggested Package
- 46. Checking Server Requirements Ineed your server to have these…
- 47.
- 48.
- 49.
- 50.
- 51. UsingThe Libraries require_once 'vendor/autload.php'; Includethe libraries Start using it
- 52. UsingThe Libraries require_once 'vendor/autload.php'; Includethe libraries Start using it As simple as that
- 53. Installing, Updating AndMoving On How does Composer guarantee consistency?
- 54.
- 55. composer.json composer.lock Metadata and listyour dependencies
- 56. composer.json composer.lock Metadata and listyour dependencies Existing dependencies and current commit hashes
- 57.
- 58.
- 59.
- 60.
- 61.
- 62.
- 63.
- 64.
- 65.
- 66.
- 67.
- 68.
- 69.
- 70.
- 71.
- 72. KeepTheTeam OnThe SamePage • Commit composer.lock into the repository • Use composer install • Ignore the vendor directory
- 73.
- 74. A Contributor Appears $git clone git@github.com:tareq1988/composer-test.git
- 75. A Contributor Appears $git clone git@github.com:tareq1988/composer-test.git $ composer install
- 76. A Contributor Appears $git clone git@github.com:tareq1988/composer-test.git $ composer install
- 77. A Contributor Appears $git clone git@github.com:tareq1988/composer-test.git $ composer install
- 78. A Contributor Appears $git clone git@github.com:tareq1988/composer-test.git $ composer install Lock File
- 79. Adding A NewPackage $ composer.phar require symfony/yaml=~2.1.0
- 80.
- 81.
- 87. How Do ILoadThe Files? PSR-0 and the modern autoloader
- 88. Composer Generates A AutoloadFile For AllYour Dependencies vendor/autoload.php
- 89.
- 90. PSR-4 is therecommended way Types Of Autoloading
- 91. PSR-4 is therecommended way Types Of Autoloading PSR-0 auto loading
- 92. PSR-4 is therecommended way Types Of Autoloading PSR-0 auto loading PEAR packages and other libraries
- 93. PSR-4 is therecommended way Types Of Autoloading PSR-0 auto loading PEAR packages and other libraries PHP Functions and helpers
- 94. PSR What? PHP FIG:PHP Framework Interop Group PSR-0:Autoloading Standard PSR-1: Basic Coding Standard PSR-2: Coding Style Guide PSR-3: Logger Interface PSR-4: Improved Autoloading: http://www.php-fig.org/
- 95. PSR What? PHP FIG:PHP Framework Interop Group PSR-0:Autoloading Standard PSR-1: Basic Coding Standard PSR-2: Coding Style Guide PSR-3: Logger Interface PSR-4: Improved Autoloading: http://www.php-fig.org/ Post Standards Recommendation
- 96. OptimisingThe Autoloader • Addinghuge library slows down • It calls file_exists every time
- 97. OptimisingThe Autoloader • Addinghuge library slows down • It calls file_exists every time $ composer dump-autoload -o
- 98. OptimisingThe Autoloader • Addinghuge library slows down • It calls file_exists every time $ composer dump-autoload -o
- 99. OptimisingThe Autoloader • Addinghuge library slows down • It calls file_exists every time $ composer dump-autoload -o Optimize flag
- 100. OptimisingThe Autoloader • Addinghuge library slows down • It calls file_exists every time $ composer dump-autoload -o Optimize flag A bit slower, but performance boost
- 101. I Am DevelopingA Library How Composer can spread my library around?
- 102.
- 103.
- 104. https://packagist.org/about http://semver.org/ Name of thelibrary Description
- 105. https://packagist.org/about http://semver.org/ Name of thelibrary Description tag
- 106. https://packagist.org/about http://semver.org/ Name of thelibrary Description tag About you
- 107. https://packagist.org/about http://semver.org/ Name of thelibrary Description tag About you Autoloader type
- 108. I Have APrivate Repository Will it work if I am developing applications in-house? • Composer • VCS • PEAR https://getcomposer.org/doc/05-repositories.md
- 109. Find Out More http://getcomposer.org https://packagist.org https://github.com/composer composer-devgoogle group #composer & #composer-dev
- 110. Can I UseComposer with WordPress? http://wpackagist.org/ http://composer.rarst.net/resources
- 111.
- 112. Tareq Hasan @tareq_cse Founder, LeadDeveloper - weDevs http://tareq.weDevs.com http://wedevs.com
- 113.