Composer - The missing package manager for PHP
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I gave the talk in on 6th June, 2014 at Digital World developer conference at Bangabandhu International Conference Center (BICC) in Dhaka, Bangladesh.
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Composer - The missing package manager for PHP
- 1. COMPOSER The missing package manager for PHP
- 2. PyPi
- 5. SHARING WASN’T CARING • Autoloading PHP Classes • Dependencies? • Where does this thing go?
- 6. WHY BOTHER? • As a 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 • SVN Externals • Git Submodules • Vendor Management Scripts
- 9. SOLUTIONS • PEAR • SVN Externals • Git Submodules • Vendor Management Scripts
- 10. SOLUTIONS • PEAR • SVN Externals • Git Submodules • Vendor Management Scripts
- 11. SOLUTIONS • PEAR • SVN Externals • Git Submodules • Vendor Management Scripts
- 12. SOLUTIONS • PEAR • SVN Externals • Git Submodules • Vendor Management Scripts
- 13. SOLUTIONS • PEAR • SVN Externals • Git Submodules • Vendor Management Scripts Composer!
- 14. Isn’t PEAR and the PEAR installer the de-facto PHP package manager?
- 15. Isn’t PEAR and the 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…
- 21. Install Composer
- 23. Install Composer With PEAR For MaximumTrolling
- 24. Install Composer With PEAR For MaximumTrolling
- 25. Install Composer With PEAR For MaximumTrolling I am kidding!
- 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 Use Composer
- 31. I Am Building A Project How Composer can help me?
- 32. COMPOSER 101 Getting the dependencies
- 33. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/
- 34. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/ $ vi composer.json
- 35. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root
- 36. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root
- 37. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/ $ vi composer.json put this in your project root • Exact version • Range • Wildcard • Tilde
- 38. COMPOSER 101 Getting the dependencies $ cd ~/Desktop/composer-test/ $ vi composer.json $ composer.phar install put this in your project root • Exact version • Range • Wildcard • Tilde
- 41. Your dependency
- 42. Your dependency
- 43. Your dependency’s dependencies Your dependency
- 44. Your dependency’s dependencies Your dependency
- 45. Your dependency’s dependencies Your dependency Suggested Package
- 46. Checking Server Requirements I need your server to have these…
- 50. UsingThe Libraries require_once 'vendor/autload.php'; Include the libraries
- 51. UsingThe Libraries require_once 'vendor/autload.php'; Include the libraries Start using it
- 52. UsingThe Libraries require_once 'vendor/autload.php'; Include the libraries Start using it As simple as that
- 53. Installing, Updating And Moving On How does Composer guarantee consistency?
- 55. composer.json composer.lock Metadata and list your dependencies
- 56. composer.json composer.lock Metadata and list your dependencies Existing dependencies and current commit hashes
- 71. composer.json composer.lock Update Install reads gets latest writes reads compares gets locked version
- 72. KeepTheTeam OnThe Same Page • Commit composer.lock into the repository • Use composer install • Ignore the vendor directory
- 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 New Package $ composer.phar require symfony/yaml=~2.1.0
- 87. How Do I LoadThe Files? PSR-0 and the modern autoloader
- 88. Composer Generates A Autoload File For AllYour Dependencies vendor/autoload.php
- 90. PSR-4 is the recommended way Types Of Autoloading
- 91. PSR-4 is the recommended way Types Of Autoloading PSR-0 auto loading
- 92. PSR-4 is the recommended way Types Of Autoloading PSR-0 auto loading PEAR packages and other libraries
- 93. PSR-4 is the recommended 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 • Adding huge library slows down • It calls file_exists every time
- 97. OptimisingThe Autoloader • Adding huge library slows down • It calls file_exists every time $ composer dump-autoload -o
- 98. OptimisingThe Autoloader • Adding huge library slows down • It calls file_exists every time $ composer dump-autoload -o
- 99. OptimisingThe Autoloader • Adding huge library slows down • It calls file_exists every time $ composer dump-autoload -o Optimize flag
- 100. OptimisingThe Autoloader • Adding huge library slows down • It calls file_exists every time $ composer dump-autoload -o Optimize flag A bit slower, but performance boost
- 101. I Am Developing A Library How Composer can spread my library around?
- 104. https://packagist.org/about http://semver.org/ Name of the library Description
- 105. https://packagist.org/about http://semver.org/ Name of the library Description tag
- 106. https://packagist.org/about http://semver.org/ Name of the library Description tag About you
- 107. https://packagist.org/about http://semver.org/ Name of the library Description tag About you Autoloader type
- 108. I Have A Private 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-dev google group #composer & #composer-dev
- 110. Can I Use Composer with WordPress? http://wpackagist.org/ http://composer.rarst.net/resources
- 111. Thats All
- 112. Tareq Hasan @tareq_cse Founder, Lead Developer - weDevs http://tareq.weDevs.com http://wedevs.com
- 113. Thanks