composer install version code example

Example 1: composer self update command

composer self-update

Example 2: update packages composer global

composer global update

Example 3: upgrading composer globally on windows

php composer.phar self-update

Example 4: composer installed versions

composer show -i

Example 5: composer require with version

composer require vendor/package:version

composer require refinery29/test-util:0.10.2

Example 6: composer install without dependencies

composer install --ignore-platform-reqs