I need a very simple script or code to prevent visitors to my site from seeing a page unless they visit that page with a dynamic query string in the url.
For example, my order page is "[url removed, login to view]". If someone visits that page I want them to see a "page expired" notice, or to be redirected to another page. I just don't want them to see the real order page.
However, if they visit the same page with a query string in the url, then I want the page to appear. For example if they use "[url removed, login to view]", then I want them to see the correct page.
The dynamic part of the url will change for every visitor so that can't be a fixed value.
I need this asap.
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