Templating and Forms in Symfony: Using Twig for Creating and Submitting Forms, Lecture notes of Web Design and Development

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Templating, Forms

Returning Views, using Twig, submitting forms

1. Templating

2. Forms

Table of Contents 2

• In Symfony you can use two type of templates

– php - standard html + php code in our templates

– twig - flexible template language

Templating

4

• Templates Location
  • per application - templates can be accessed from any bundle
  • per bundle - templates can be accessed from any bundle
• using the namespace notation Templating

• Twig and Controllers
  • pass parameters to template
  • $this->render() - render template and create Response object
  • $this->renderView() - render Templating

• Twig Templating

§ {{ … }} - print variable or text

§ {# … #} - twig comment

§ {% ... %} - used for logic blocks

• What can we do with Twig?
  • app.user - get current user
  • app.request - get current request
  • app.session - get session
  • app.environment - get application environment
  • app.debug - check debug status of the application
  • access global twig variable - can create global twig variables and access them in your templates Templating

FORMS

Forms and Templates

• Form flow Forms

• Two ways to create forms in Symfony
  • in your controller action using the form builder Forms

• A form should know what input field to render
  • TextType - input type="text"
  • SubmitType - input type="submit"
  • ChoiceType - generates select, checkboxes or radio buttons
  • HiddenType - input type="hidden"
  • RepeatedType - used to render input fields for passwords and confirmation Forms

• To display form in template it must be passed as view

parameter

Forms

Folder Structure

Note.php