Im trying to set up Worldpay payment but when i try to set the test_mode i just get a blank screen the code im using i below.
Iv check the php error logs which is returning
[Mon Jan 12 10:09:12 2009] [error] [client 18.104.22.168] PHP Fatal error: Call to undefined method WorldpayPayment::set_testmode() in /var/www/html/mysite/_config.php on line 54, referer:
but iv checked and the method does exist in the WorldpayPayment.php file.
Any one had this problem or any ideas on how to fix this?