getCacheResult example

/** * Compares two IPv4 addresses. * In case a subnet is given, it checks if it contains the request IP. * * @param string $ip IPv4 address or subnet in CIDR notation * * @return bool Whether the request IP matches the IP, or whether the request IP is within the CIDR subnet */
    public static function checkIp4(string $requestIp, string $ip): bool
    {
        $cacheKey = $requestIp.'-'.$ip.'-v4';
        if (null !== $cacheValue = self::getCacheResult($cacheKey)) {
            return $cacheValue;
        }

        if (!filter_var($requestIp, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) {
            return self::setCacheResult($cacheKey, false);
        }

        if (str_contains($ip, '/')) {
            [$address, $netmask] = explode('/', $ip, 2);

            if ('0' === $netmask) {
                

/** * Compares two IPv4 addresses. * In case a subnet is given, it checks if it contains the request IP. * * @param string $ip IPv4 address or subnet in CIDR notation * * @return bool Whether the request IP matches the IP, or whether the request IP is within the CIDR subnet */
    public static function checkIp4(string $requestIp, string $ip): bool
    {
        $cacheKey = $requestIp.'-'.$ip.'-v4';
        if (null !== $cacheValue = self::getCacheResult($cacheKey)) {
            return $cacheValue;
        }

        if (!filter_var($requestIp, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) {
            return self::setCacheResult($cacheKey, false);
        }

        if (str_contains($ip, '/')) {
            [$address, $netmask] = explode('/', $ip, 2);

            if ('0' === $netmask) {