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How do you implement a custom caching strategy in Joomla?

How do you implement a custom caching strategy in Joomla?

Answer: While Joomla offers built-in caching mechanisms, implementing a custom caching strategy usually involves these steps:

1. Choose a caching library: Popular options include PHP’s APCu, Memcached, or Redis.
2. Identify data to cache: Target elements with high computational cost or infrequent updates.
3. Create a caching class: This class interacts with your chosen library to store and retrieve cached data, typically using a key-value approach.
4. Integrate with Joomla’s events: Use Joomla’s plugin system and events (like `onAfterRender`) to intercept data and cache it.
5. Implement cache invalidation: Develop logic to clear the cache when relevant data changes.

Note: Joomla doesn’t provide a standardized way to create custom caching strategies. The specific implementation greatly depends on your chosen library and specific needs.

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