composer require --dev classy-org/php-classy-standards
# Testing php files comply with Classy coding standards
vendor/bin/php-classy-fixer fix --dry-run
# Fixing files
vendor/bin/php-classy-fixer fix
# Configure git to automatically fix php files on commit
ln -s ../../vendor/bin/php-classy-precommit-hook .git/hooks/pre-commit
Since php-classy-standards is a simple wrapper around php-cs-fixer with pre-configured rules we use at Classy, you can pass to it any argument php-cs-fixer is accepting. Example:
vendor/bin/php-classy-fixer fix --dry-run ./folder/with/files/to/check