php-cs-null-config.php

<?php
/**
 * File used in the `--config=` parameter because without config file PHP-CS-Fixer does
 * not accept multiple paths.
 *
 * I don't know why or if it's a bug. It seems that will not work in future v3 because
 * passing a `--rules` option and a `--config` option is deprecated.
 */

return PhpCsFixer\Config::create();