Packagist kearch packages. Getting Started Define Your Dependencies Put a file named composerjson at the root of your project; containing your project dependencies: "require" vendor/package" "1.3.2" vendor /package2 "1 vendor / package3 "^2.0 . 3" For more information about packages versions usage, see the composer documentation: Install Composer In Your Project Run this in your command line: curl sS https I/getcomposer org/installer php Or download composer phar into your project root See the Composer documentation for complete installation instructions on various platforms