10. add in Symfony 4

• composer create-project symfony/website-skeleton symfony8
• cd symfony8
• php bin/console make:controller
>AddController
• composer php/bin server:start
• http://localhost:8000/copy

Vederea base.html.twig
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{% block title %}Welcome!{% endblock
%}</title>
{% block stylesheets %}{% endblock %}
</head>
<body bgcolor="aquamarine">
{% block body %}{% endblock %}
{% block javascripts %}{% endblock %}
</body>
</html>

Vederea add/index.html.twig
{% extends 'base.html.twig' %}
{% block title %}Add!{% endblock %}
{% block body %}
{{head|raw}}
{{ form_start(form) }}
{{ form_row(form.nume1,{'value': value1 }) }}
{{ form_row(form.submit) }}
{{ form_end(form) }}
{% endblock %}

Controller-ul AddController
<?php
namespace AppController;
use SymfonyComponentRoutingAnnotationRoute;
use
SymfonyBundleFrameworkBundleControllerControlle
r;
use SymfonyComponentHttpFoundationRequest;
use SymfonyComponentHttpFoundationResponse;
use SymfonyComponentForm;
use
SymfonyComponentFormExtensionCoreTypeTextType;
use
SymfonyComponentFormExtensionCoreTypeSubmitType
;

class AddController extends Controller
{
/**
* @Route("/add", name="add")
*/
public function index(Request $request)
{
$data=[];
$form=$this->createFormBuilder()
->add('nume1', TextType::class,
array('attr'=>array('size'=>'30','placeholder'=>'0'),'label'=>false))
array('attr'=>array('size'=>'1','value'=>'+'),'label'=>false))
array('attr'=>array('size'=>'30','placeholder'=>'0'),'label'=>false))
->add('submit', SubmitType::class, array('label'=>'='))
array('attr'=>array('size'=>'30','placeholder'=>'0'),'label'=>false,'required'
=> false))
->getForm();
$form->handleRequest($request);

$data['head']="<h1>Input your data</h1>";
$data['form']=$form->createView();
if($form->isSubmitted()){
$data['value1'] = $form->get('nume1')->getData();
$data['value2']='+';
$data['value3'] = $form->get('nume3')->getData();
$data['value4']=$data['value1']+$data['value3'];
}else {
$data['value1']=0;
$data['value2']=0;
$data['value3']=0;
$data['value4']=0;
}
return $this->render('add/index.html.twig', $data);
}
}

10. add in Symfony 4

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