PHP Snippet: Check if code is running on a production environment

function isLive($liveTld = ".de")
{
       $homeUrl = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']
       === 'on' ? "https" : "http")."://$_SERVER[HTTP_HOST]";


       $returnMe = false;


       if (
              (!(strpos($homeUrl, ".local") !== false))
              &&
              (!(strpos($homeUrl, ".intra") !== false))
              &&
              (!(strpos($homeUrl, "stage") !== false))
              &&
              (!(strpos($homeUrl, "staging") !== false))
              &&
              (strpos($homeUrl, $liveTld) !== false)
       ) {
              $returnMe = true;
       }


       return $returnMe;
}