Why is my page not redirecting on success

Question

I have some code that I was given; there is a $_POST variable (email) that shows as having content, yet when I test for it using isset, it fails. I don\'t understand w

Answer 1

The reason why the redirect with header("Location: ...") is not working is, that you already sent a header by echoing something.

Any header-redirection won´t work afterwards.