    public static function config($var) {

        $file = GX_PATH.'/inc/config/'.$var.'.php';
        if (file_exists($file)) {

            include($file);

        }

    }

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.