php variable?

[lukeurtnowski]

yes, I have a form which has an input field which is suposed to grab a variablle ($sum) from the URL, anyways, I'm trying to copy $sum's value into a fields value, here is my code for thee input field for the form, any ideas on what I'm doing wrong?

<input type=hidden name="1-cost" value=<?php $sum; ?>>

Thanks!

[rpanning]

First, you have to get that variable from the URL via $GET superglobal. Then echo or print it out.

<input type="hidden" name="1-cost" value="<?php print($_GET['sum']); ?>">