When I run the command composer require florianv/swap php-http/message php-http/guzzle6-adapter
I get the following error...
I am using PHP 7.2 on a Homestead vagrant box
Using version ^3.4 for florianv/swap Using version ^1.7 for php-http/message Using version ^2.0 for php-http/guzzle6-adapter ./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 - Conclusion: don't install php-http/guzzle6-adapter v2.0.0 - don't install php-http/guzzle6-adapter 2.x-dev|install php-http/guzzle6-adapter dev-master - Installation request for php-http/guzzle6-adapter ^2.0 -> satisfiable by php-http/guzzle6-adapter[2.x-dev, v2.0.0]. - Installation request for florianv/swap ^3.4 -> satisfiable by florianv/swap[3.4.0]. - Conclusion: don't install php-http/httplug v1.1.0 - florianv/swap 3.4.0 requires florianv/exchanger ^1.1 -> satisfiable by florianv/exchanger[1.1.0, 1.1.1, 1.1.2, 1.2.0, 1.2.1, 1.2.2, 1.x-dev]. - florianv/exchanger 1.1.0 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.1.1 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.1.2 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.2.0 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.2.1 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.2.2 requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - florianv/exchanger 1.x-dev requires php-http/httplug ^1.0 -> satisfiable by php-http/httplug[v1.0.0, v1.0.0-RC1, v1.0.0-alpha, v1.0.0-alpha2, v1.0.0-alpha3, v1.0.0-beta, v1.1.0]. - Can only install one of: php-http/httplug[v1.0.0, 2.0.x-dev]. - Can only install one of: php-http/httplug[v1.0.0-RC1, 2.0.x-dev]. - Can only install one of: php-http/httplug[v1.0.0-alpha, 2.0.x-dev]. - Can only install one of: php-http/httplug[v1.0.0-alpha2, 2.0.x-dev]. - Can only install one of: php-http/httplug[v1.0.0-alpha3, 2.0.x-dev]. - Can only install one of: php-http/httplug[v1.0.0-beta, 2.0.x-dev]. - php-http/guzzle6-adapter dev-master requires php-http/httplug ^2.0 -> satisfiable by php-http/httplug[2.0.x-dev, v2.0.0]. - Conclusion: don't install php-http/httplug v2.0.0|install php-http/httplug v1.1.0
Installation failed, reverting ./composer.json to its original content.