The subject of composer s encompasses a wide range of important elements. Authors: Nils Adermann, Jordi Boggiano and many community contributions Sponsored by: Sponsor Composer & Packagist.org Logo by: Max Grigorian Composer and all content on this site are released under the MIT license. To quickly install Composer in the current directory, run the following script in your terminal. To automate the installation, use the guide on installing Composer programmatically. Introduction - Composer. Composer is a tool for dependency management in PHP. Furthermore, it allows you to declare the libraries your project depends on and it will manage (install/update) them for you.
Basic usage - Composer. To start using Composer in your project, all you need is a composer.json file. This file describes the dependencies of your project and may contain other metadata as well. How do I install Composer programmatically? How do I install untrusted packages safely?
Is it safe to run Composer as superuser or root? How to use Composer behind a proxy Should I commit the dependencies in my vendor directory? Which version numbering system does Composer itself use?
Why are unbound version constraints a bad idea? Command-line interface / Commands - Composer. To get help from the command-line, call composer or composer list to see the complete list of commands, then --help combined with any of those can give you more information. Repositories - Composer. Types # Composer The main repository type is the composer repository. It uses a single packages.json file that contains all of the package metadata.
Another key aspect involves, this is also the repository type that packagist uses. To reference a composer repository, supply the path before the packages.json file. Composer caches all dist (zip, tar, ...) packages that it downloads. When the garbage collection is periodically ran, this is the maximum size the cache will be able to use.
Libraries - Composer. Packagist is the main package repository for Composer, and it is enabled by default. Anything that is published on Packagist is available automatically through Composer. Authentication for privately hosted packages and repositories - Composer.
In order to allow your project to have access to these packages and repositories you will have to tell Composer how to authenticate with the server that hosts them.
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