- Is m6web/cache-extra-bundle compatible with Laravel?
- No. It is a Symfony bundle (M6Web\Bundle\CacheExtraBundle) wired through Symfony's dependency injection container, so it ships no service provider, facade, config publishing, or middleware hooks that Laravel would need. Its Composer constraints target symfony/framework-bundle ^2.7|^3.x, which conflicts with the Symfony 6/7 components a modern Laravel app pulls in, so composer require will fail on resolution. In a Laravel codebase, treat it as a design reference rather than a dependency.
- What problem does early expiration solve in a Symfony cache layer?
- When a hot cache entry expires, many concurrent requests can miss at the same moment and stampede the backend, a pattern known as dog-piling. Early expiration lets the item refresh slightly before its TTL ends, so one process rebuilds the value while the others keep serving the near-expired one. That smooths load spikes and keeps response latency predictable under traffic.
- How do I install and configure m6web/cache-extra-bundle in a Symfony application?
- Install it with Composer, register the bundle in your Symfony kernel, and define your cache pool service and default TTLs in the bundle configuration. The bundle then exposes a CacheAdapter service you inject wherever caching logic lives. This flow assumes a Symfony 2.x/3.x style application and does not translate to Laravel's container or configuration model.
- Which Symfony and PHP versions does m6web/cache-extra-bundle support?
- The Composer constraints target symfony/http-foundation and symfony/framework-bundle ^2.7|^3.x, so it will not install alongside Symfony 6 or 7. The last tagged release is dated 2016-02-11 and the repository is archived, with no PHP 8 validation. Expect dynamic-property deprecations and removed-function errors if you attempt to run it on modern PHP.
- Does the CacheAdapter work with any PSR-6 compatible cache pool?
- Yes. It is built on Symfony's cache contracts, so any PSR-6 compatible Symfony pool (filesystem, Redis, APCu, and so on) can back the CacheAdapter. The bundle only adds TTL defaults and early-expiration behavior on top; storage, serialization, and eviction remain the pool's responsibility.
- What is the CacheAdapter and CacheItem API in this bundle?
- CacheAdapter is a lightweight wrapper registered as a service that returns CacheItem objects instead of making you call the pool directly. Each item accepts a TTL, falling back to the bundle's configured default, and supports early expiration settings. The point is to keep cache keys and lifetime rules out of controllers and services.
- How does the profiler data collector help during development?
- The optional data collector surfaces cache hits and misses in the Symfony profiler so you can verify that your keys and TTLs behave as intended under realistic traffic. It is a development aid and should be disabled in production. There is no equivalent wiring for it in Laravel, where Laravel Telescope or explicit X-Cache-Status and Age headers are the usual substitutes.
- Is m6web/cache-extra-bundle still maintained and safe for production use?
- No. The repository is archived, the last release was 2016-02-11, and it has zero dependents, which means no downstream triage and no security response path. Caching defects are high impact: a stale entry serves wrong content, and a bad key can cache private data publicly. Adopting an archived dependency for cache behavior is a disqualifying risk for most teams.
- What should Laravel developers use instead of this bundle for response caching?
- Use a maintained, Laravel-native layer such as spatie/laravel-responsecache, or Laravel's own cache helpers where stale-while-revalidate semantics are supported. For header policy, write a CachePolicy middleware that sets Cache-Control, s-maxage, stale-while-revalidate, and Vary per route group. That replaces the annotation-driven configuration this bundle depends on.
- Can I port the early-expiration and purge pattern from this bundle into a Laravel app?
- Yes, and reimplementing is the recommended path: read the source as a design reference rather than forking it. Build a middleware for per-route cache policy, a purge service behind an interface such as purge(array $keys) with a no-op driver for local development, and instrument X-Cache-Status and Age headers. Declare policy in route definitions or a config map instead of annotations, and get sign-off from the team that owns authentication, since caching personalized responses is the biggest failure mode.