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Why is it important to clear Laravel's config cache after changing cache driver settings in config/cache.php?

hard📝 Conceptual Q10 of 15
Laravel - Configuration and Environment
Why is it important to clear Laravel's config cache after changing cache driver settings in config/cache.php?
ABecause cache drivers require restarting the database server
BBecause Laravel loads cached config and won't see changes until cleared
CBecause the cache folder must be manually deleted
DBecause the .env file must be reloaded automatically
Step-by-Step Solution
Solution:
  1. Step 1: Understand Laravel config caching

    Laravel caches config files for performance, so changes to config files are not immediately applied.
  2. Step 2: Explain why clearing config cache is needed

    Clearing the config cache forces Laravel to reload config files and apply changes like cache driver updates.
  3. Final Answer:

    Because Laravel loads cached config and won't see changes until cleared -> Option B
  4. Quick Check:

    Config cache must be cleared to apply config changes [OK]
Quick Trick: Clear config cache to apply config changes [OK]
Common Mistakes:
  • Thinking database restart is needed
  • Deleting cache folder manually
  • Assuming .env reload fixes config

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