tldr/pages/common/composer.md

composer

A package-based dependency manager for PHP projects.

• Add a package as a dependency for this project, adding it to composer.json:

composer require {{user/package_name}}

• Install all the dependencies in this project's composer.json:

composer install

• Uninstall a package from this project, removing it as a dependency from composer.json:

composer remove {{user/package_name}}

• Update all the dependencies in this project's composer.json:

composer update

• Update composer to the latest version:

composer self-update