Form

Form

use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;

$form = $this->createFormBuilder()
	->setMethod('GET')
	->add('search', TextType::class)
	//->add('submit', SubmitType::class)    //nije preporucljivo
	->getForm();

return $this->render('CarBundle:Default:index.html.twig',
	[
		'cars' => $cars,
		'form' => $form->createView()
	]
);


**************

form-a u view

{{ form_start(form, { attr: {class: 'form-inline'} }) }}
{{ form_widget(form.search, { attr: {placeholder: 'Search'} }) }}
<button type="submit" class="btn">Search</button>
{{ form_end(form) }}

------------------------------
in DafaultController

public function indexAction(Request $request)
{
	$carRepository = $this->getDoctrine()->getRepository('Car');
	$cars = $carRepository->findCarsWithDetails();
	$form = $this->createFormBuilder()
	    ->setMethod('GET')
	    ->add('search', TextType::class,[
			'constraints' => [
				new NotBlank(),
				new Length(['min' => 2])
			]
       ])
	->getForm();

	$form->handleRequest($request);

	if($form->isSubmitted() && $form->isValid()){
		die('Form submitted')l
	}

	return $this->render('CarBundle:Default:index.html.twig',
		[
			'cars' => $cars,
		    'form' => $form->createView()
		]
	);
}

**********************
change on View

{{ form_errors(form.search) }}