FormInterface
add(FormInterface|string|int $child, string|null $type = null, array $options = array())
Unsupported method. This method should not be invoked.
Parameters
FormInterface|string|int $child The FormInterface instance or the name of the child string|null $type The child's type, if a name was passed array $options The child's options, if a name was passed Return Value FormInterface The form instance Exceptions BadMethodCallException