Is define created, if so what is its state?

  if (!defined('DISABLE_WP_CRON'))
    echo"DISABLE_WP_CRON is not defined (cron is triggered by wordpress normally)";
  else if (DISABLE_WP_CRON === False)
    echo"DISABLE_WP_CRON is defined as false (cron is triggered by wordpress normally)";
  else if (DISABLE_WP_CRON === True)
    echo"DISABLE_WP_CRON is defined as true (cron is NOT being auto triggered by wordpress)";
  else
    echo"DISABLE_WP_CRON is unknown (cron is being auto triggered by wordpress state is UNKNOWN)";