<?php chdir("/home/linguami/public_html/forum"); include("./global.php"); ....
<?php chdir("/home/linguami/public_html/forum"); include("./global.php"); $admin = $_COOKIE['usergroupid']; ?> <html> <head> <title>Example</title> </head> <body> <?php echo "Hello $admin"; ?> </body> </html>