Need helping finding variable for order total when used with Facebook Pixel

[pixelquestions]

Hello, I'm attempting to setup the Purchase event with our Facebook Pixel on our Zen Cart site and I'm having trouble getting it to push the value through.

I've tried a variety of different variables for order total, even the one supplied by Zen Cart on this page, specially "<?php echo $order_summary['order_total']; ?>" and it hasn't worked, regardless of what I try.

The example for the code is below. This would only be on our checkout page to indicate a successful transaction has taken place and it would send the value of the order to the Facebook Ad Manager.

<script>
  fbq('track', 'Purchase', {
    value: '<?php echo $order_summary['order_total']; ?>',
    currency: 'USD',
  });
</script>

I have tried every variation of the "value" variable possible and none of them seem to successfully pass that order total through to Facebook.

Does anyone know what variable I would enter in for "value" to get that order total to successfully pass through?

[mc12345678]

Assuming that by "checkout" page you mean checkout_success, the variable is available the first time the page is loaded and only after the includes/modules/pages/checkout_success/header_php.php file has loaded.

From the writeup it appears that the testing performed is from a live transaction and not from attempts to "see" the code. One thing to consider is whether the page pass html validation as a script is used if the page does not validate, then it is possible that the script does not/can not execute.

If attempting to review the source code, then recommend preventing deletion of the associated session data so that upon "second" viewing that the data remains present for display.

[margecc]

I can ask a silly question ..... Was this just inserted at the end of your
includes/template/YOURTEMPLATE/checkout_success/tpl_footer.php file? Or does it need to be in some sort of php tags?

<script>
  fbq('track', 'Purchase', {
    value: '<?php echo $order_summary['order_total']; ?>',
    currency: 'USD',
  });
</script>

[swguy]

It's outside PHP - it runs in the context of the browser.

[carlwhat]

To err is human, but to really foul things up requires a computer. Farmers' Almanac, 1978

actually it was shakespeare who stated:

"to err is human, but to really f- things up, you need a computer... and to f- things up royally, you need sql..."

with regards to the OP, if placed in the right spot, that code seems correct. however, if the pixel is not installed correctly as stated here:

https://developers.facebook.com/docs...implementation

calling fbq will do nothing.

if one thinks the problems is with the php echo statement, then just put in an arbitrary number to see if that makes it to the book of faces....

my guess is that the pixel is not installed correctly or else the call to the fbq function is done in the wrong place. i could be wrong.

good luck.