true,
'action' => true,
'autocomplete' => true,
'enctype' => true,
'method' => true,
'name' => true,
'novalidate' => true,
'target' => true,
];
/**
* Invoke as function
*
* @template T as null|FormInterface
* @psalm-param T $form
* @psalm-return (T is null ? self : string)
* @return Form|string
*/
public function __invoke(?FormInterface $form = null)
{
if (! $form) {
return $this;
}
return $this->render($form);
}
/**
* Render a form from the provided $form,
*/
public function render(FormInterface $form): string
{
if (method_exists($form, 'prepare')) {
$form->prepare();
}
$formContent = '';
$renderer = $this->getView();
assert($renderer instanceof PhpRenderer);
foreach ($form as $element) {
if ($element instanceof FieldsetInterface) {
$formContent .= $renderer->formCollection($element);
} else {
$formContent .= $renderer->formRow($element);
}
}
return $this->openTag($form) . $formContent . $this->closeTag();
}
/**
* Generate an opening form tag
*/
public function openTag(?FormInterface $form = null): string
{
$doctype = $this->getDoctype();
$attributes = [];
if (! (Doctype::HTML5 === $doctype || Doctype::XHTML5 === $doctype)) {
$attributes = [
'action' => '',
'method' => 'get',
];
}
if ($form instanceof FormInterface) {
$formAttributes = $form->getAttributes();
if (! array_key_exists('id', $formAttributes) && array_key_exists('name', $formAttributes)) {
$formAttributes['id'] = $formAttributes['name'];
}
$attributes = array_merge($attributes, $formAttributes);
}
if ($attributes) {
return sprintf('';
}
}