Composer Tips & Tricks - Speaker Deck

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Composer Tips & Tricks Making the most of using Composer

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What is Composer? PHP dependency manager

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Authors of Composer Jordi Boggiano @Seldaek Nils Adermann @naderman

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● composer.json ● composer init ● composer install ● composer update ● composer require ● composer.lock Composer basics

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composer create-project ● Bootstraps your project from another package ● Installs dependencies ● Provide hooks to execute scripts

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● composer create-project fabpot/silex-skeleton ● composer create-project --repository-url=https://repo. magento.com/ magento/project-community-edition ● composer create-project / foo composer create-project

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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

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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

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composer remove --update-with-dependencies --update-with-dependencies is now the default for composer remove composer remove

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composer update --prefer-lowest composer update --prefer-lowest --prefer-stable But when would you want that? Testing a library

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Travis CI Build Matrix php: - 5.3 - 5.4 - 5.5 - 5.6 - 7 - hhvm env: - DEPS=normal - DEPS=highest - DEPS=lowest

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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;

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Travis CI Build Matrix

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config.platform { "config": { "platform": { "php": "5.6" } } }

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composer install --prefer-source Differences between: ● source ● dist ● auto When to use --prefer-source?

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config.preferred-install { "config": { "preferred-install": { "clippings/*": "source", "*": "auto" } } }

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composer install --prefer-dist --no-dev config.preferred-install

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.gitattributes export-ignore tests export-ignore .travis.yml export-ignore .gitattributes export-ignore .gitignore export-ignore

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composer test { "scripts": { "test": "phpunit" } } composer test

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composer run-script composer run-script lint { "require-dev": { "squizlabs/php_codesniffer": "^2.5" }, "scripts": { "lint": "phpcs" } }

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composer depends Shows which packages depend on a package

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$ composer depends symfony/yaml phpunit/phpunit 4.8.23 requires symfony/yaml (~2.1|~3.0) composer depends

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composer prohibits

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composer prohibits $ composer prohibits symfony/yaml:2.0 phpunit/phpunit 4.8.23 requires symfony/yaml (~2.1|~3.0)

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extra.branch-alias { "extra": { "branch-alias": { "dev-master": "1.0-dev" } } }

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VCS repositories { "repositories": [ { "type": "vcs", "url": "https://github.com/clippings/php-gacx" } ] }

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extra.branch-alias { "extra": { "branch-alias": { "dev-master": "1.0-dev" } } } Read more at getcomposer.org/doc/articles/aliases.md