interpret vars in a different order

[arktkbear]

i'd look more in depth for this on the forums, but the search engine doesn't seem to be working very well right now. here's the code:

<code>
echo "<input type=text name=form_filename value=$form_$colname>";
</code>

i'm getting the column name from a database and i'd like for the form to retain values when the back button is used. does anyone know how to evaluate $colname in order for it to become part of the variable name for $form_filename?

thanks, doug

[arktkbear]

nevermind, i'm retarded, found it in the manual, thanks

[Anon]

at least you looked!