				array_push($stack, $node);
			}
		}
		return array('status' => 'success',
		             'nodes' => $nodes);
	}
	else {
		return array('status' => 'error',
		             'errorcode' => 70,
		             'errormsg' => 'User cannot access node content');
	}
}
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.