Is there a way to know where the user came from (parent url) when entering a page on my site. I'm not finding anything on how to do this, but I'm sure it's possible.
Here's my exact problem:
I'm wanting to sell a program online that the user can then download once they have purchased it. One of the payment options is to pay through PayPal, but in using PayPal you can't get any info back from them. And the page that the user is redirected to from PayPal should make sure that they came from PayPal before letting them download the product.
Could anyone help me with this and point me in the right direction??? I sure would appreciate it!!! Thanks.
Cole
Here's my exact problem:
I'm wanting to sell a program online that the user can then download once they have purchased it. One of the payment options is to pay through PayPal, but in using PayPal you can't get any info back from them. And the page that the user is redirected to from PayPal should make sure that they came from PayPal before letting them download the product.
Could anyone help me with this and point me in the right direction??? I sure would appreciate it!!! Thanks.
Cole