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I have written a form using the form API, and I want the user to preview the form before submission. How can this be accomplished?

  • The Node module provides an example on how to do it, but in general it's not that easy. – Daniel Wehner Dec 20 '11 at 7:26
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    Can you elaborate a little bit more about your use case? What kind of data is the user entering? Do you have authenticated or anonymous users? – BetaRide Dec 20 '11 at 7:48
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Effectively this is a multistep form. Display the form showing a "Preview" button. On submit save something to the session or $form_state and redisplay the form. If the value has been set in the session show a "Submit" button. On this submit you can save the form values to the database and clear whatever flag value you had in the database.

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