                } elseif ($k == 'error') {
                    self::error($v);
                } elseif (!in_array($k, $arr) && $k != 'paging') {
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.