Re: Sessions Lose Form Field Data When Back Button Used?

Instruct ICC wrote: > I have an old PHP page without sessions. When the user submits the > form, and then clicks the browser back button, the prior form data > is retained. > > If I now have that PHP page require another page that uses > session_start, when the user submits the form, and then clicks the > browser back button, the prior form data is lost. This is a characteristic of the caching headers that session_start() sends. Although not directly related to your question, I think the following article articulates this in sufficient detail: http://shiflett.org/articles/how-to-avoid-page-has-expired-warnings Hope that helps. Chris -- Chris Shiflett http://shiflett.org/