    private static function isNonStandardPort($scheme, $port)
    {
        return !isset(self::$schemes[$scheme]) || $port !== self::$schemes[$scheme];
    }
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.