Until yesterday everthing was working fine on our latest Zen Cart 1.3.7 shop but since yesterday I also do not get anymore order confirmation e-mails from Zen Cart when an order has been successfully paid through Worldpay.
Users can place an order and go through the Worldpay payment pages flawlessly but when they return to our site an error appears:
Warning: Cannot modify header information - headers already sent by (output started at /home/template_default/public_html/webstore/includes/templates/template_default/common/html_header.php:22) in /home/template_default/public_html/webstore/includes/functions/functions_general.php on line 46
I looked up the problem on 'headers already sent' on the wiki and it said this warning is often caused by a blank space or extra line at the beginning or end of a .php file OR a syntax error or the result of an "echo()" statement
So I checked the html_header.php on line 22 (which I have not changed at all over the last months) :
<html xmlns="http://www.w3.org/1999/xhtml" <?php echo HTML_PARAMS; ?>>
It seems that the echo() statements are giving problems and therefore not confirming the Zen Cart transactions that were successfully paid through Worldpay.
Can you help me to solve this?
Thread: WorldPay Module for ZenCartv1.3x
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11 Jul 2007, 01:22 PM #1
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Re: WorldPay Module for ZenCartv1.3x
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11 Jul 2007, 01:49 PM #2
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Re: WorldPay Module for ZenCartv1.3x
Slitter,
What you are getting is a PHP error which, since you haven't had this previously, would indicate that you have made some change to the code.
The two files mentioned in the error message are not part of the WorldPay module fileset.
The html_header.php file is called by every page in Zencart (I think!) so if there was an error there I would expect you would experience this error elsewhere and not just at checkout.
The functions_general.php file is also a common file which is called as required depending on where you are in Zencart. I would suspect that if there has been a recent change to the code this is where it will be.
Have you added any new modules to your Zencart recently? If so were any changes made to either of these two files?
Regards,
Alan
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11 Jul 2007, 06:42 PM #3
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Re: WorldPay Module for ZenCartv1.3x
Nothing had been changed everything was working fine.
I have other payment modules which work fine.
It just happened after a Worldpay outage on the 10th of july (yesterday) somewhere around 11.00 GMT but the Worldpay helpdesk said that this didn't cause any influence because the error occurs on my server.
I have read the thread: https://www.zen-cart.com/tutorials/index.php?article=87
What happens with <?php echo HTML_PARAMS; ?> in html_header.php?
thanks for helping me out so far
greetings, slitter
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11 Jul 2007, 07:25 PM #4
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Re: WorldPay Module for ZenCartv1.3x
I have been using the Time zone module (for 1.3.7 versions) which allows me to set a time zone offset . I dont know of any global time changes otherwise that could be the problem.
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12 Jul 2007, 01:47 PM #5
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Re: WorldPay Module for ZenCartv1.3x
Solved it by using a backup from a week ago.
thanks,
slitterLast edited by slitter; 12 Jul 2007 at 01:48 PM. Reason: name
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