9. lower in Symfony 4
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This document describes creating a Symfony controller and form to lowercase or uppercase user input text based on a radio button selection. It includes creating a LowerController, generating a form with text fields and a radio button choice, handling form submission, and rendering the form and output in a Twig template.
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9. lower in Symfony 4
- 1. Lower/Upper
- 2. • composer create-project symfony/website-skeleton symfony7 • cd symfony7 • php bin/console make:controller >LowerController • composer php/bin server:start • http://localhost:8000/copy
- 3. 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>
- 4. Vederea lower/index.html.twig {% extends 'base.html.twig' %} {% block title %}Lower{% endblock %} {% block body %} {{head|raw}} {{ form_start(form) }} {{ form_row(form.text1,{'value': value1 }) }} {{ form_row(form.submit) }} {{ form_row(form.text2,{'value': value2 }) }} {{ form_row(form.radio) }} {{ form_end(form) }} {% endblock %}
- 5. Controller-ul LowerController <?php namespace AppController; use SymfonyComponentRoutingAnnotationRoute; use SymfonyBundleFrameworkBundleControllerController; use SymfonyComponentHttpFoundationRequest; use SymfonyComponentHttpFoundationResponse; use SymfonyComponentForm; use SymfonyComponentFormExtensionCoreTypeTextType; use SymfonyComponentFormExtensionCoreTypeSubmitType; use SymfonyComponentFormExtensionCoreTypeRadioType; use SymfonyComponentFormExtensionCoreTypeChoiceType;
- 6. class LowerController extends Controller { /** * @Route("/lower", name="lower") */ public function index(Request $request) { $data = []; $form = $this->createFormBuilder() ->add('text1', TextType::class, array('attr' => array('size' => '30', 'placeholder' => 'bau bau'))) ->add('submit', SubmitType::class) ->add('text2', TextType::class, array('attr' => array('size' => '30', 'placeholder' => 'bau bau'), 'required' => false)) ->add('radio', ChoiceType::class, array( 'choices' => array('Lower' => true, 'Upper' => false), 'expanded' => true, 'multiple' => false, )) ->getForm(); $form->handleRequest($request);
- 7. $data['head'] = "<h1>Input your data</h1>"; $data['form'] = $form->createView(); if ($form->isSubmitted()) { if ($form->get('radio')->getData() == 'lower') { $data['value2'] = strtolower($form->get('text1')- >getData()); } else { $data['value2'] = strtoupper($form->get('text1')- >getData()); } $data['value1'] = ''; } else { $data['value1'] = ''; $data['value2'] = ''; } return $this->render('lower/index.html.twig', $data);