compare module of magento2 in config.dev.php and config.prod.php

checkModules.php

<?php
/**
 * CopeX GmbH https://copex.io
 * Created by PhpStorm.
 * User: roman
 * Date: 13.01.18
 * Time: 21:23
 */

$dev = include 'config.dev.php';
$prod = include 'config.prod.php';

foreach ($dev['modules'] as $moduleName => $enabled) {
    if(!array_key_exists($moduleName, $prod['modules'])){
        echo $moduleName . ' missing in prod'. PHP_EOL;
    }
}