use Symfony\Component\Form\Extension\Core\Type\TextType; use Symfony\Component\Form\FormBuilderInterface; $formBuilder = $this->createFormBuilder(); $formBuilder->add('username', TextType::class, [ 'attr' => [ 'placeholder' => 'Enter your username', ], ]);
use Symfony\Component\Form\Extension\Core\Type\TextType; use Symfony\Component\Form\FormBuilderInterface; $formBuilder = $this->createFormBuilder(); $formBuilder->add('email', TextType::class, [ 'attr' => [ 'class' => 'form-control', 'maxlength' => 100, ], ]);This example sets the class and maxlength attributes on the email field. The class attribute is set to "form-control", which is a CSS class commonly used with Bootstrap. The maxlength attribute limits the maximum length of the input to 100 characters. The Form component is part of the Symfony framework.