10trait isInterchangeableItemTrait
12 public function hasChanged() : bool
14 if ($this instanceof isTopItem && $this instanceof isInterchangeableItem) {
15 $serialize = $this->getParent()->serialize();
16 return !$this->getParent() instanceof NullIdentification;
17 } elseif ($this instanceof isChild) {
18 return $this->getParent() instanceof NullIdentification && empty($this->getParent()->serialize());
An exception for terminatinating execution or to throw for unit testing.
Class NullIdentification.