upgrade to forms 3.1.8: how to manage headers to getHttpData

mikeb
Member | 31
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Hi
Im upgrading from standalone forms 2.4 to 3.1.8 (as am moving to php8.2.4).
Some simple forms work fine. But on one form I make the form then get the getHttpData for various tests of posted data:

$form = new Nette\Forms\Form;
$reg_code_posted = ($form->getHttpData($form::DATA_TEXT, 'reg_code')) ? true : false;

But now with 3.1.8 I get:
Fatal error: Uncaught Nette\InvalidStateException: Create a form or call Nette\Forms\Form::initialize() before the headers are sent to initialize CSRF protection.
Can someone advise me how to manage this? I have tried to ->addProtection() or starting session but without success.

Thanks!

Marek Bartoš
Nette Blogger | 1167
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You can call \Tracy\OutputDebugger::enable(); from tracy just before creating form instance to find out, in which place is page content first echoed and therefore when are the headers sent. You should create Form before the headers are send.

Or just call \Nette\Forms\Form::initialize(); e.g. right after including vendor/autoload.php to work around that.