                $v = trim($v);
            }
        }

        // Remove the header lines.
        foreach (array_keys($new->headerLines) as $key) {
            if (strtolower($key) === $name) {
                unset($new->headerLines[$key]);
            }
        }

        // Add the header line.
        $new->headerLines[$header] = $new->headers[$name];

        return $new;
    }
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.