: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Nextend\Framework\Form;
interface ContainedInterface {
* @return ContainedInterface|null
public function getPrevious();
* @param ContainedInterface|null $element
public function setPrevious($element = null);
* @return ContainedInterface|null
public function getNext();
* @param ContainedInterface|null $element
public function setNext($element = null);
public function remove();
* @return ContainerInterface
public function getParent();
public function getPath();
public function render();