currency} {$cost}"; ?>

usepaypalsandbox) ? 'https://www.paypal.com/cgi-bin/webscr' : 'https://www.sandbox.paypal.com/cgi-bin/webscr'; ?>

" /> id}-{$course->id}-{$instance->id}" ?>" /> wwwroot/enrol/paypal/ipn.php"?>" /> wwwroot/enrol/paypal/return.php?id=$course->id" ?>" /> " /> " />