Before installing this plugin, you must ensure that
phpstan is installed on your
system. For detailed instructions see PHPStan Github,
the simplified steps are:
composer global require phpstan/phpstan
After verifying that
phpstan works from your terminal, proceed to install the atom-linter-phpstan plugin.
$ apm install atom-linter-phpstan
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.