protected function renderFormRow(FormInterface $form, FormRenderTemplateInterface $template, $variableName)
{
$html = '';
/** @var FormInterface $child */
foreach ($form->getIterator() as $child) {
$childName = $variableName . '.' . $child->getName();
if ($this->isExpanded($child)) {
$html .= $this->renderFormRow($child, $template, $childName);
} else {
$html .= $template->renderFormRow($form, $variableName, $childName, ucfirst($child->getName()));
}
}
return $html;
}
