Composer Tips & Tricks

Presented at the Bulgaria PHP User Group meeting in March 2016.
https://www.facebook.com/events/1538125716485720/

Transcript

1. Composer Tips & Tricks Making the most of using Composer
2. What is Composer? PHP dependency manager
3. Authors of Composer Jordi Boggiano @Seldaek Nils Adermann @naderman
4. • composer.json • composer init • composer install • composer update • composer require • composer.lock Composer basics
5. composer create-project • Bootstraps your project from another package • Installs dependencies • Provide hooks to execute scripts
6. • composer create-project fabpot/silex-skeleton <path> • composer create-project --repository-url=https://repo. magento.com/ magento/project-community-edition <path> • composer create-project <your vendor>/<your template> foo composer create-project
7. clippings/composer-init • Inspired by grunt-init • composer global require clippings/composer-init • composer-init use clippings/package-template • Learn more at github.com/clippings/composer-init
8. composer update --with-dependencies composer update --with-dependencies vendor/package Updates only a package with its dependencies. Does not touch the rest of the packages. composer require --update-with-dependencies
9. composer remove --update-with-dependencies --update-with-dependencies is now the default for composer remove composer remove
10. composer update --prefer-lowest composer update --prefer-lowest --prefer-stable But when would you want that? Testing a library
11. Travis CI Build Matrix php: - 5.3 - 5.4 - 5.5 - 5.6 - 7 - hhvm env: - DEPS=normal - DEPS=highest - DEPS=lowest
12. Travis CI Build Matrix install: - if [ "$DEPS" = "normal" ]; then composer install; fi; - if [ "$DEPS" = "highest" ]; then composer update; fi; - if [ "$DEPS" = "lowest" ]; then composer update --prefer-lowest --prefer- stable; fi;
13. Travis CI Build Matrix
14. config.platform { "config": { "platform": { "php": "5.6" } } }
15. composer install --prefer-source Differences between: • source • dist • auto When to use --prefer-source?
16. config.preferred-install { "config": { "preferred-install": { "clippings/*": "source", "*": "auto" } } }
17. composer install --prefer-dist --no-dev config.preferred-install
18. .gitattributes export-ignore tests export-ignore .travis.yml export-ignore .gitattributes export-ignore .gitignore export-ignore
19. composer test { "scripts": { "test": "phpunit" } } composer test
20. composer run-script composer run-script lint { "require-dev": { "squizlabs/php_codesniffer": "^2.5" }, "scripts": { "lint": "phpcs" } }
21. composer depends Shows which packages depend on a package
22. $ composer depends symfony/yaml phpunit/phpunit 4.8.23 requires symfony/yaml (~2.1|~3.0) composer depends
23. composer prohibits
24. composer prohibits $ composer prohibits symfony/yaml:2.0 phpunit/phpunit 4.8.23 requires symfony/yaml (~2.1|~3.0)
25. extra.branch-alias { "extra": { "branch-alias": { "dev-master": "1.0-dev" } } }
26. VCS repositories { "repositories": [ { "type": "vcs", "url": "https://github.com/clippings/php-gacx" } ] }
27. extra.branch-alias { "extra": { "branch-alias": { "dev-master": "1.0-dev" } } } Read more at getcomposer.org/doc/articles/aliases.md
28. Bonus: Facebook mention-bot
29. Facebook mention-bot Learn more at github.com/facebook/mention-bot
30. Who? @hkdobrev CTO @ Clippings.com clippings.github.io Thanks!