bnabilos

Hello, I want to integrate whmcs with xoops cms but I don't see how to do it. With other scripts, I place them in module directory and I insert these lines in header: <?php require('../../mainfile.php'); require(XOOPS_ROOT_PATH.'/header.php'); ?> and these ones in footer: <?php require(XOOPS_ROOT_PATH.'/footer.php'); ?> But with whmcs I can't do it even if I use {include_php} or {include}, I get just a blank page. Please help me if someone know how to do it. Thank you