[development] form_api: same form called multiple times, wrong form_state values

Randy Fay randy at randyfay.com
Sat Mar 13 19:23:34 UTC 2010

There are two problems that I know of with multiple forms on a page in D6:

http://drupal.org/node/386678 (fixed in D7): If any form uses
$form_state['storage'] then it destroys $_POST, causing the other(s) not to
be able to submit. This one has a demo module that you may be able to use to
see if you're having the same problem.

http://drupal.org/node/384992 (still open in D7): In an AJAX/AHAH form,
form_clean_id() (D6) or drupal_html_id (D7) doesn't work right, so you end
up having to use hook_forms() to make the form_id of each form different.


On Sat, Mar 13, 2010 at 6:53 AM, Hans Langouche <hans.langouche at gmail.com>wrote:

> Hi all,
> I have a small admin form (2 buttons and a hidden value) that is repeated
> multiple times (each time the value is different).
> Now whenever I access $form_state['values'] from the submit function, the
> hidden value always returns the data from the first form.  When I print out
> $_POST directly I do get the correct data.
> I've been searching this and it seems this is because the form_state is
> cached.  I couldn't find any workaround though, so for the moment working
> with $_POST.  Anyone know the correct way to do this ?
> Tnx,
> HnLn

Randy Fay
Drupal Development, troubleshooting, and debugging
randy at randyfay.com
+1  970.462.7450
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