Using QR Codes

  • Resolved Steve P (UK)

    (@stevepalmeratwordpress)


    9 months ago

    Hi again Noor.

    Thanks for developing this Plugin. I’m new to all this and your plugin makes tihngs really easy. I planning to use your plugin so our members can

    1. Pay their annual subscription
    2. Donate various amounts to us

    We occasionally run outdoor events and I’d also like to produce an A4 sheet of paper with QR codes, where each code simply represents the url for each of the payment types – e.g. subscriptions, donations, but I’ve run into a problem.

    The QR codes based on the the urls seem to work OK for a short while (ie the PayPal page pops up with the correct page) but then, a while later, I get the message ‘something’s not right. This page does not exist’ on the PayPal page. I’m not sure what’s going on. If I then return to the URL and click on the button on our webpage, it all works fine. I could maybe understand things if the QR codes NEVER worked, but they do for a few hours. I realise you’re not responsible for QR codes and the functionality ?? but I’m trying to determine whether it’s worth pursuing this route and if it is ever going to be possible to use QR Codes in conjunction with your excellent plugin?

    In your experience, is there any reason why a QR code wouldn’t work with the links that your Plugin produces?

    Thanks, Steve

    The page I need help with: [log in to see the link]

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  • Thread Starter Steve P (UK)

    (@stevepalmeratwordpress)

    I’m going to attempt to answer my own question… If there is anyone on here that understands where I’m going with this, any feedback would be appreciated.

    In short, I was attempting to create a printed page that showed a variety of QR Codes that represented various donation amounts. These always worked ‘for a while’. Then, the QR codes fail with the message ‘‘something’s not right. This page does not exist’, after a period of time.

    As I mentioned in my original post, the QR codes worked for some hours (I didn’t measure it exactly) and then the error message appeared.

    So, on doing some investigation, I discovered:-

    The PayPal URL to the various donations includes an ‘access token'(whatever they are!) as part of the url. Therefore the QR Code I created at the time was fine. However, the access token apparently has a finite life (I read 9 hours???). After that, if the access token becomes invalid – and therefore the URL doesn’t work – and another is generated (but of course, the QR code doesn’t know that – and fails, because the URL does not exist any longer).

    I’ve concluded, therefore, it’s not possible to create a QR code that I can print that takes a user to the ‘donate’ page for different amounts. If this conclusion is incorrect, I’d love to know how to get this sorted. Thanks, Steve

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