i have payment form on site , following question:
when user press "purchase button", payment form opened on secure bank's page. when user filled payment form , press "submit" hi sms confirm payment.
after success confirmation redirected success_url out shop.
the problem begins when user press back button in browser because hi again receive sms confirmation.
how prevent send sms again?
the post/redirect/get method. sending 303 http response tell browser replace page in history , avoid re-sending posted data.
i can't post example don't know programming language using.
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