    public static function incFunc($var)
    {
        if (self::functionExist($var)) {
            include GX_THEME.$var.'/function.php';
        }
    }
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.