Chapter 2 - Form Validation (symfony 1.4 legacy version)
ChoiceType Field (select drop-downs, radio buttons & checkboxes) (Symfony Docs)
vue.js: Using vue with a Symfony Form - {5} Setfive - Talking to the World
Advanced Forms (symfony 1.4 legacy version)
New in Symfony 4.3: More Form improvements (Symfony Blog)
How to solve Symfony 5 Exception: Argument 1 passed to Symfony \Bridge\Doctrine\Form\ChoiceList\IdReader::getIdValue() must be an object or null, string given | Our Code World
Symfony - forms with variable number of fields - Stack Overflow
ChoiceType Field (select drop-downs, radio buttons & checkboxes) (Symfony Docs)
Tim Strehle's Blog » A dropdown for large lists in a Symfony 3 form with choice_loader and Select2
form/Extension/Core/Type/FormType.php at 6.3 · symfony/form · GitHub
EasyAdmin Collection Field (EasyAdminBundle Documentation)
GitHub - steevanb/symfony-form-options-builder: FormType::buildForm() with objects instead of array.
Symfony UX Autocomplete Documentation
php - Symfony - EntityType select repeats the same option - Stack Overflow