.php-cs-fixer.dist.php

<?php

$config = new Amp\CodeStyle\Config();
$config->getFinder()
    ->in(__DIR__ . '/src')
    ->in(__DIR__ . '/tools');

$cacheDir = getenv('TRAVIS') ? getenv('HOME') . '/.php-cs-fixer' : __DIR__;

$config->setCacheFile($cacheDir . '/.php_cs.cache');

return $config;