normalizeAndFilterClientIps example

if (self::HEADER_X_FORWARDED_PORT === $type) {
                    if (str_ends_with($v, ']') || false === $v = strrchr($v, ':')) {
                        $v = $this->isSecure() ? ':443' : ':80';
                    }
                    $v = '0.0.0.0'.$v;
                }
                $forwardedValues[] = $v;
            }
        }

        if (null !== $ip) {
            $clientValues = $this->normalizeAndFilterClientIps($clientValues, $ip);
            $forwardedValues = $this->normalizeAndFilterClientIps($forwardedValues, $ip);
        }

        if ($forwardedValues === $clientValues || !$clientValues) {
            return $forwardedValues;
        }

        if (!$forwardedValues) {
            return $clientValues;
        }

        

if (self::HEADER_X_FORWARDED_PORT === $type) {
                    if (str_ends_with($v, ']') || false === $v = strrchr($v, ':')) {
                        $v = $this->isSecure() ? ':443' : ':80';
                    }
                    $v = '0.0.0.0'.$v;
                }
                $forwardedValues[] = $v;
            }
        }

        if (null !== $ip) {
            $clientValues = $this->normalizeAndFilterClientIps($clientValues, $ip);
            $forwardedValues = $this->normalizeAndFilterClientIps($forwardedValues, $ip);
        }

        if ($forwardedValues === $clientValues || !$clientValues) {
            return $forwardedValues;
        }

        if (!$forwardedValues) {
            return $clientValues;
        }