/**
* Get Instance
*
* This method returns the Singleton instance of the app
* environment; if not already set or if a refreshed
* environment is requested, parse the environment
* and return the newly stored results.
*
* @param bool $refresh
* @return array
*/
public static function getInstance($refresh = false)
{
if (!isset(self::$env) || $refresh) {
self::$env = self::prepare();
}
return self::$env;
}
