Neos\ContentRepository\Domain\Model\NodeInterface::getPath PHP Method

    public function getPath();

 /**
  * Matches if the selected node is a *descendant* of the given node specified by $nodePathOrIdentifier
  *
  * Example: isDescendantNodeOf('/sites/some/path') matches for the nodes "/sites/some/path", "/sites/some/path/subnode" but not for "/sites/some/other"
  *
  * @param string $nodePathOrIdentifier The identifier or absolute path of the node to match
  * @return boolean TRUE if the given node matches otherwise false
  */
 public function isDescendantNodeOf($nodePathOrIdentifier)
 {
     $nodePath = $this->resolveNodePath($nodePathOrIdentifier);
     if (is_bool($nodePath)) {
         return $nodePath;
     }
     return substr($this->node->getPath() . '/', 0, strlen($nodePath)) === $nodePath;
 }