                    $sort    = in_array(strtolower($val), array('asc', 'desc')) ? ' ' . $val : '';
                    $array[] = $this->parseKey($key, true) . $sort;
                }
            }
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.