README: various small updates / add FAQ about setup-php #52
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README: installation - minor tweak
README: version check - minor tweak
Improve the code sample.
README: add information about use with setup-php
As of version 2.15.0 of the
shivammathur/setup-php
action for GitHub Actions, the PHPUnit Polyfills can be installed directly from this action using thetools
key.In that case, both this package as well as PHPUnit will be globally installed via Composer.
This commit adds an FAQ section to the readme with a little more information about how this works and how to get things running when installed like that.