Composer 2 cheatsheet

Composer 2: Setup

6 common Composer 2 tasks.

Check the Composer version

Print the installed Composer version.

composer --version

Update Composer itself to the latest release.

composer self-update

Create composer.json interactively in the current folder.

composer init

Create a new project from a package, here a Laravel application.

composer create-project laravel/laravel my-app

Check your system and Composer setup for common problems.

composer diagnose

Check composer.json for errors and warnings.

composer validate