Online PHP editor | refs for ESTRq

<?php function IsExernal($link) { $base_url = sprintf("%s://%s%s", isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https' : 'http', $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'] ); return (substr($link,0,strlen($base_url)-1)==$base_url); } echo IsExternal("http://www.google.com");