Symfony / twig - Form with master-detail in it .. How to?

Question

I'm coding a master detail page with Symfony 5 and twig

I have table product, and another options When I create a product, I want to ask for name and have to check options

Example:

• Text : Production.name
• Text : Product.price then below
• checkbox for Option 1 as : ChkBox Option.Label (for each options)

The problem is how to generate it ? Several options were tried,

1st: the working one: Sending product table and option table. Create formview for product then add all the checkbox one by one "manually") with a foereach from options

It works, but I think it's crap

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2nd option : improve the form with the options before sending it to twig So, creating new fieds as "view.add("opt_".$option.getid());" Sounds good solution, but on the twig side, I have several problems: I don't know how to display the form_rows

Looked for a way for something like for each form_raw as fr if name starts with "opt_" then {{ form_row(fr) }} endif endfor Should be great .. But I don't know how to code it

So I added an array with the options id and sent it to twig The code was now for each option in options {{ form_row(formView.opt_{{option}}) }} end for

It doesn't work because I need to evaluate formView.opt_{{option}} to get for example formView.opt_1

I tried to create a filter to do it like {{ form_row(option|evalue) }} but still not working.

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Could you tell how to solve those problems or which way you would implement it ? Thanks for all !!!