$ composer require gloudemans/shoppingcart
Using version ^2.6 for gloudemans/shoppingcart
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1
Installation request for gloudemans/shoppingcart ^2.6 -> satisfiable by gloudemans/shoppingcart[2.6.0].
$ composer require gloudemans/shoppingcart Using version ^2.6 for gloudemans/shoppingcart ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.
Problem 1
Installation failed, reverting ./composer.json to its original content.