PHP - Redirect to a page with confirmation message

Using php, is there a way to redirect to an existing html page with a one line confirmation开发者_JS百科 message.

I want to collect user info, insert it into a database, and then show a confirmation message so the user knows the record

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you can use header("Location: yourpage.html"); exit();

It must be used before any output, or you will get a warning message header already sent