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  1. #1
    Join Date
    Oct 2005
    Location
    Chicago, IL USA
    Posts
    1,549
    Plugin Contributions
    28

    Default PayPal Standard duplicate orders, not payments

    Zen Cart 1.5.7c (upgraded from 1.5.6c)
    PHP 7.2

    Since the upgrade 9 of 11 orders have resulted in a duplicate order in Zen Cart. No double payment, just duplicate order. I've uninstalled and re-installed the plugin. Logging is enabled but I'm not seeing anything obvious in the logs. Admittedly, not sure what I'm looking for.

    In PayPal, I've verified IPN is set correctly and enabled. The return url is correct and PDT is enabled an correct.

    I checked all url's are using www., thinking a redirect might be causing the duplicate orders.

    The duplicates are time stamped 6-10 seconds apart.

  2. #2
    Join Date
    Dec 2012
    Posts
    7
    Plugin Contributions
    0

    Default Re: PayPal Standard duplicate orders, not payments

    I run a very old ZC site on a very old PHP version that once in a while would duplicate PayPal orders and payments, more recently a couple of duplicate orders have linked to the same PayPal transaction like yours. Nothing like your number though. Perhaps points to something changing outside of the ZC software.
    Mick

  3. #3
    Join Date
    Feb 2006
    Location
    Tampa Bay, Florida
    Posts
    9,622
    Plugin Contributions
    123

    Default Re: PayPal Standard duplicate orders, not payments

    > I run a very old ZC site on a very old PHP version ...

    You should *really* upgrade prior to getting hacked or having your site go down.

    https://docs.zen-cart.com/user/upgrading/
    That Software Guy. My Store: Zen Cart Modifications
    Available for hire - See my ad in Services
    Plugin Moderator, Documentation Curator, Chief Cook and Bottle-Washer.
    Do you benefit from Zen Cart? Then please support the project.

  4. #4
    Join Date
    Feb 2006
    Location
    Tampa Bay, Florida
    Posts
    9,622
    Plugin Contributions
    123

    Default Re: PayPal Standard duplicate orders, not payments

    > Since the upgrade 9 of 11 orders have resulted in a duplicate order in Zen Cart....

    Switch to PayPal Express, update PHP.
    That Software Guy. My Store: Zen Cart Modifications
    Available for hire - See my ad in Services
    Plugin Moderator, Documentation Curator, Chief Cook and Bottle-Washer.
    Do you benefit from Zen Cart? Then please support the project.

 

 

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