Paypal for the last few days has randomly started returning the POST variable of item_number1 instead of item_number and the same for item_name. I've read on Paypals website that they do this when it's a cart transaction(multiple items). These are instant payments for wifi access of a single item so I'm not sure why after years of running without seeing this it has suddenly started randomly happening. In the returned data to the IPN listener I also get a "num_cart_items=1" if it has sent the "item_number1". So it is definitely thinking some transactions are shopping cart ones. Is there any way I can stop this happening?
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