Basically I the first bit is fine, if regions is empty then carry on, then if regions is not a numeric then do this, but its then looking at the array and checking if that isnt numeric that Im getting stuck with.
if ($_GET['regions']=='') {
} else { if (!ctype_digit($_GET['regions']) || (!ctype_digit($_GET['regions[]']))) {
header('Location: http://www.mysite.com/index.php');
Hi, its a shame I posted so late as I had to leave the office and cant get access to the files. I will post back on Monday and hopefully I can get somewhere with it.