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You have updated your .env file but the changes are not reflected in your Laravel app. What is the most likely cause?

medium📝 Debug Q6 of 15
Laravel - Configuration and Environment
You have updated your .env file but the changes are not reflected in your Laravel app. What is the most likely cause?
ALaravel does not read .env files after the first request
BThe configuration cache was not cleared after updating the .env file
CThe .env file must be renamed to .env.local to take effect
DThe .env file is only used in development, not production
Step-by-Step Solution
Solution:

  1. Step 1: Understand .env and config caching

    .env values are loaded once and cached if config cache exists.

  2. Step 2: Identify why changes don't show

    If config cache is not cleared, Laravel uses old cached values ignoring .env changes.

  3. Final Answer:

    The configuration cache was not cleared after updating the .env file -> Option B

  4. Quick Check:

    Clear config cache after .env changes = A [OK]
Quick Trick: Always clear config cache after editing .env [OK]
Common Mistakes:
  • Renaming .env unnecessarily
  • Thinking .env is ignored in production
  • Not clearing cache after .env edits

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