composer

all

A package-based dependency manager for PHP projects.

Subcommands (1)

Analyze a PHP project's dependencies to detect known security vulnerabilities and list affected packages. See also: `composer`.

Interactively create a `composer.json` file

composer init

Add a package as a dependency for this project, adding an entry to `composer.json`

composer require user/package

Install all the dependencies in this project's `composer.json` and create `composer.lock`

composer install

Uninstall a package from this project, removing it as a dependency from `composer.json` and `composer.lock`

composer remove user/package

Update all the dependencies in this project's `composer.json` and note new versions in `composer.lock` file

composer update

Update only `composer.lock` after updating `composer.json` manually

composer update --lock

Learn more about why a dependency can't be installed

composer why-not user/package

Update composer to its latest version

composer self-update