$ composer require gears/pdf:*
./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 gears/pdf v0.4.1
Conclusion: don't install gears/pdf v0.4.0
Conclusion: don't install gears/pdf v0.3.1
Conclusion: don't install gears/pdf v0.3
Conclusion: don't install gears/pdf v0.2
Conclusion: remove symfony/process v3.1.10
Installation request for gears/pdf * -> satisfiable by gears/pdf[v0.1, v0.2, v0.3, v0.3.1, v0.4.0, v0.4.1].
$ composer require gears/pdf:* ./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.