A Dependency Manager for PHP. Authors: Nils Adermann, Jordi Boggiano and many community contributions Sponsored by: Logo by: Max Grigorian Composer and all content on this site are released under the MIT license.MIT license.

2012年3月1日 · Download Composer Latest: v2.8.6. 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.

Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you. Dependency management# Composer is not a package manager in the same sense as Yum or Apt are.

How does Composer download the right files? When you specify a dependency in composer.json, Composer first takes the name of the package that you have requested and searches for it in any repositories that you have registered using the repositories key.

If you need to work with composer as a library you may also want to check out the source Composer and all content on this site are released under the MIT license .

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. As Composer uses symfony/console you can call commands by short name if it's not ambiguous.

A repository is a package source. It's a list of packages/versions. Composer will look in all your repositories to find the packages your project requires. By default, only the Packagist.org repository is registered in Composer. You can add more repositories to your project by declaring them in composer.json.

'APPDATA' : 'HOME'; $userDir = getenv($userEnv); if (!$userDir) { throw new RuntimeException('The '.$userEnv.' or COMPOSER_HOME environment variable must be set for composer to run correctly'); } return rtrim(strtr($userDir, '\\', '/'), '/'); } /** * @return bool */ function useXdg() { foreach (array_keys($_SERVER) as $key) { if (strpos($key ...

This chapter will tell you how to make your library installable through Composer. Every project is a package# As soon as you have a composer.json in a directory, that directory is a package. When you add a require to a project, you are making a package that depends on other packages. The only difference between your project and a library is ...

As of Composer 2.2.0, the allow-plugins option adds a layer of security allowing you to restrict which Composer plugins are able to execute code during a Composer run. When a new plugin is first activated, which is not yet listed in the config option, Composer will print a warning.