Utils.php

<?php

namespace Parzibyte;

use Exception;

class Utils
{

    static function getVarFromEnvironmentVariables($key)
    {
        if (defined("_ENV_CACHE")) {
            $vars = _ENV_CACHE;
        } else {
            $file = "env.php";
            if (!file_exists($file)) {
                throw new Exception("The environment file ($file) does not exists. Please create it");
            }
            $vars = parse_ini_file($file);
            define("_ENV_CACHE", $vars);
        }
        if (isset($vars[$key])) {
            return $vars[$key];
        } else {
            throw new Exception("The specified key (" . $key . ") does not exist in the environment file");
        }
    }


}