See also: /php/page-control/get-page-uri-url
Getting Site URL
$domain = $_SERVER['SERVER_NAME'];
$domain = str_replace('www.', '', $domain); //Remove the leading www.
if ($domain == 'somedomain.co.uk' ||
$domain == 'anothersite.net' ||
$domain == 'thirdsite.com'
)Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.