FormFactory | Create fast , flexible form objects

So the upgrade from symfony 2.8 to 3.0 (or to 3.4 actually which is the goal for now) which I have been dragging my feet with is every bit as troublesome as some of the previous minor updates. Some frameworks just love forcing you to rewrite code, I guess...

Anyways, I know this has been treated in a number of other posts, but I want to make it foolproof, like a "symfony forms for dummies" moving your forms from symfony 2.8 to 3.0.

If you run your app through app_dev.php you get nice hints in the footer regarding what is deprecated, in other words what won't work in version 3.0.

The deprecation message for this particular issue is:

Passing type instances to FormBuilder::add(), Form::add() or the FormFactory is deprecated since version 2.8 and will not be supported in 3.0. Use the fully-qualified type class name instead

The first thing I had to do about my forms was to change the way they are called from the controller. The symfony documentation is satisfied in saying:

Before:

I'm having an issue with running our functional test suite on our Symfony application when using the following config (some information redacted):

I have a question regarding symfony/form using as a standalone component and security-csrf running with PHP build-in server. I hardly remember having such issue with the Symfony framework.

When setting symfony/form as a standalone component I tried this code for both v4.2 and v5.1 https://github.com/xmgcoyi/standalone-forms/tree/4.2+twig. A rewrite of webmozart's example mentioned here https://symfony.com/doc/current/components/form.html

The csrf token is generated with twig-bridge, but when submitting the form - on calling$form->isValid() - invalid csrf error appears.

By default csrf protection is enabled, setting to false - the form submits.

Tried CSRF component with both setups with NativeSessionTokenStorage and SessionTokenStorage + Session of HttpFoundation.

Could you give any hint on what I'm doing wrong and where to look at?

P.S. Code samples with csrf error on submission:

• https://github.com/xmgcoyi/standalone-forms/tree/4.2+twig
• https://github.com/liorchamla/pratique-symfony-form/tree/06-protection-csrf

UPD The apps above work well, the problem was in browser storage filled with garbage.

Setting to false in $formFactory->createBuilder(FormType::class, null, ['csrf_protection' => false]) submits the form

i try to create some kind of formbuilder that outputs html of generated forms using the symfony form extenstion (using all the nice stuff like valdation, error hightlighting and such).

is use symfony 5 with twig 3.0

the created class

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