: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Nextend\Framework\Form;
* @var ContainedInterface
* @var ContainedInterface[]
protected $flattenElements = array();
* @param ContainedInterface $element
public function addElement($element) {
$this->last->setNext($element);
$name = $element->getName();
$this->flattenElements[$name] = $element;
* @param ContainedInterface $element
* @param ContainedInterface $target
public function insertElementBefore($element, $target) {
$previous = $target->getPrevious();
$previous->setNext($element);
$element->setNext($target);
$name = $element->getName();
$this->flattenElements[$name] = $element;
* @param AbstractField $element
* @param AbstractField $target
public function insertElementAfter($element, $target) {
$next = $target->getNext();
$target->setNext($element);
$element->setNext($next);
$name = $element->getName();
$this->flattenElements[$name] = $element;
* @param AbstractField $element
public function removeElement($element) {
$previous = $element->getPrevious();
$next = $element->getNext();
if ($this->first === $element) {
if ($this->last === $element) {
$previous->setNext($next);
public function getElement($path) {
$parts = explode('/', $path, 2);
$element = $this->flattenElements[$parts[0]];
if (!empty($parts[1]) && $element instanceof ContainerInterface) {
$element = $element->getElement($parts[1]);
public function getElementIdentifiers() {
return array_keys($this->flattenElements);