This example uses PHP's built-in APCu library to cache the configuration settings. It checks if the configuration is already in the cache and retrieves it if it is. If it's not in the cache, it stores the configuration to the cache. It then uses the configuration settings.
Example 2 - Config cache using Symfony's Config component:load('config.yml'); // Create a cache file for your configuration settings $cacheFile = __DIR__ . '/cache/config.php'; // Create a cache object for your configuration settings $configCache = new ConfigCache($cacheFile, true); // Check if the configuration is already in the cache if ($configCache->isFresh()) { // Retrieve the configuration from the cache $config = include $cacheFile; } else { // Save the configuration to the cache $loader = new LoaderInterface([$yamlLoader]); $config = $loader->load('config.yml'); $resources = [$fileLocator->locate('config.yml')]; foreach ($loader->getResolver()->resolve(new FileResource($resources)) as $resource) { $resources[] = (string) $resource; } $configCache->write(' This example uses Symfony's Config component to load and cache the configuration settings. It creates a YAML loader and loads the configuration settings from a file. It then creates a cache file and a cache object for the configuration settings. It checks if the configuration is already in the cache and retrieves it if it is. If it's not in the cache, it saves the configuration to the cache using the ConfigCache object. It then uses the configuration settings. In conclusion, the first example uses PHP's built-in APCu library, while the second example uses Symfony's Config component.