    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.