If I do refresh after submission of a form, records are getting stored
I have two pages. /submission-form/ and /thank-you/
I was trying header('Location: /thank-you/'); on submission-form page after
successful validation and insertion into db. Still if I do refresh on
thank-you page it adds one more record in database.
How to prevent it without token?
if you use POST for the form then the user agent should pop up a nice
"do you want to send the data again" type dialogue box.
if you add a unique key over a few of the columns then this will prevent
duplicates at the table level (regardless of the scenario).
to handle POST data, well no point me repeating it, see the spec:
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