                } elseif (!in_array($k, $arr) && $k != 'paging') {
                    //self::error('404');
                } else {
                    self::incFront('default');
                }
            }
        } else {
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.