symfony 3.4 : forms : Use Data Transformers

Question

trying to use data transformer, I have an error when loadding my html form

In my formType class

use Doctrine\ORM\EntityManagerInterface;

class PmpType extends AbstractType
{
    private $entityManager;

    public function __construct(EntityManagerInterface $entityManager)
    {
        $this->entityManager = $entityManager;
    }
}

in my app\config\services.yml

services:
# default configuration for services in *this* file
 _defaults:
    # automatically injects dependencies in your services
    autowire: true
    # automatically registers your services as commands, event subscribers, etc.
    autoconfigure: true
    # this means you cannot fetch services directly from the container via $container->get()
    # if you need to do this, you can override this setting on individual services
    public: true

but I received this error

Type error: Too few arguments to function myApp\Bundle\Form\PmpType::__construct(), 0 passed in \vendor\symfony\symfony\src\Symfony\Component\Form\FormRegistry.php on line 92 and exactly 1 expected

What do I miss

Thx for hepl

jean-luc Guillen · Accepted Answer · 2020-05-29 06:47:29Z

1

OK I don't understand why but I have toset the service for my class : in service.yml, I add

    seims_pmp.pmptype:
      class: SEISM\PmpIG56Bundle\Form\PmpType
      arguments: ["@doctrine.orm.entity_manager"]
      tags: [form.type]

and now it's working

answered May 29, 2020 at 6:47

jean-luc Guillen

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KoStick79 · Accepted Answer · 2024-11-11 19:15:32Z

0

I had a similar problem.

My form file
namespace App\Form;

use App\Form\DataTransformer\PlaceToNumberTransformer;
use App\Entity\PlaceYoutube;
use Symfony\Component\Form\Extension\Core\Type\UrlType;
use Symfony\Component\Form\Extension\Core\Type\IntegerType;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class PlaceYoutubeType extends AbstractType
{

had a name: PlaceYoutube.php

I renamed it to: PlaceYoutubeType.php

and the problem was solved :)

answered Nov 11, 2024 at 19:15

KoStick79

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