PhpCsFixer\Fixer\Basic\Psr0Fixer::configure PHP Метод

    public function configure(array $configuration = null)
    {
        if (null === $configuration) {
            $this->configuration = array();
            return;
        }
        if (isset($configuration['dir'])) {
            $this->configuration['dir'] = $configuration['dir'];
        }
    }