Zend Config Factory with preserveNumericKeys and operator params

composer.json

{
    "name": "root/zend-config-operator",
    "repositories": [
        {
            "type": "vcs",
            "url": "https://github.com/ewake/zend-config"
        }
    ],
    "require": {
        "zendframework/zend-config": "dev-master",
        "zendframework/zend-servicemanager": "^3.1",
        "zendframework/zend-json": "^3.0",
        "zendframework/zend-stdlib": "^3.1",
        "zendframework/zend-diactoros": "^1.3",
        "raveren/kint": "^1.0"
    }
}

index.php

<?php
require __DIR__.'/vendor/autoload.php';

$regex = '{';
$regex .= __DIR__.'/config/{';
$regex .= '*,'.getenv('SERVER_ADDR').'/*,'.getenv('HTTP_HOST').'/*';
$regex .= '}}.{ini,json,xml,yaml,properties,php}';

$files = glob($regex, GLOB_BRACE);
//$config = Zend\Config\Factory::fromFiles($files);
$config = Zend\Config\Factory::fromFiles($files, false, false, true, 'array_merge'); // union, array_merge, array_merge_recursive, null

s($config);