ZF\Apigility\Admin\Controller\FsPermissionsController::configIsWritable PHP Method

    protected function configIsWritable()
    {
        $dir = $this->root . '/config';
        if (!file_exists($dir)) {
            return $this->rootIsWritable();
        }
        if (!is_writable($dir)) {
            return false;
        }
        $dir .= '/autoload';
        return is_writable($dir);
    }