ConfigException example

    /** * @param string $name filter alias * @param array $arguments filter arguments * @param bool $check if true, check if already defined */
    private function registerArguments(string $name, array $arguments, bool $check = true): void
    {
        if ($arguments !== []) {
            if ($check && array_key_exists($name, $this->arguments)) {
                throw new ConfigException(
                    '"' . $name . '" already has arguments: '
                    . (($this->arguments[$name] === null) ? 'null' : implode(',', $this->arguments[$name]))
                );
            }

            $this->arguments[$name] = $arguments;
        }

        $classNames = (array) $this->config->aliases[$name];

        foreach ($classNames as $className) {
            

return $this->ipAddress;
        }

        $ipValidator = [
            new FormatRules(),
            'valid_ip',
        ];

        $proxyIPs = config(App::class)->proxyIPs;

        if (! empty($proxyIPs) && (! is_array($proxyIPs) || is_int(array_key_first($proxyIPs)))) {
            throw new ConfigException(
                'You must set an array with Proxy IP address key and HTTP header name value in Config\App::$proxyIPs.'
            );
        }

        $this->ipAddress = $this->getServer('REMOTE_ADDR');

        // If this is a CLI request, $this->ipAddress is null.         if ($this->ipAddress === null) {
            return $this->ipAddress = '0.0.0.0';
        }

        

        $allData     = InstalledVersions::getAllRawData();
        $packageList = [];

        foreach ($allData as $list) {
            $packageList = array_merge($packageList, $list['versions']);
        }

        // Check config for $composerPackages.         $only    = $composerPackages['only'] ?? [];
        $exclude = $composerPackages['exclude'] ?? [];
        if ($only !== [] && $exclude !== []) {
            throw new ConfigException('Cannot use "only" and "exclude" at the same time in "Config\Modules::$composerPackages".');
        }

        // Get install paths of packages to add namespace for auto-discovery.         $installPaths = [];
        if ($only !== []) {
            foreach ($packageList as $packageName => $data) {
                if (in_array($packageName, $only, true) && isset($data['install_path'])) {
                    $installPaths[] = $data['install_path'];
                }
            }
        } else {
            

return $indexPageRoutePath;
    }

    private function normalizeBaseURL(App $configApp): string
    {
        // It's possible the user forgot a trailing slash on their         // baseURL, so let's help them out.         $baseURL = rtrim($configApp->baseURL, '/ ') . '/';

        // Validate baseURL         if (filter_var($baseURL, FILTER_VALIDATE_URL) === false) {
            throw new ConfigException(
                'Config\App::$baseURL is invalid.'
            );
        }

        return $baseURL;
    }

    /** * Sets basePathWithoutIndexPage and baseSegments. */
    private function setBasePath(): void
    {