1. <?php
  3. /**
  4. * Invalidates cache for log streams in staging environments.
  5. *
  6. * @param string $environment The environment (e.g., 'staging').
  7. * @return bool True on success, false on failure.
  8. */
  9. function invalidateStagingLogCache(string $environment): bool
  10. {
  11. // Sanity check: Ensure environment is valid
  12. if ($environment !== 'staging') {
  13. error_log("Invalid environment provided: " . $environment);
  14. return false;
  15. }
  17. // Define the cache key for log streams. Adjust as needed.
  18. $cacheKey = 'staging_log_streams';
  20. // Attempt to invalidate the cache. Replace with your actual cache invalidation logic.
  21. try {
  22. // Example using a simple array cache (replace with your cache system)
  23. if (isset($_キャッシュ[$cacheKey])) {
  24. unset($_キャッシュ[$cacheKey]);
  25. error_log("Invalidated cache for log streams: " . $cacheKey);
  26. } else {
  27. error_log("Cache for log streams not found: " . $cacheKey);
  28. return true; //Consider it successful if the cache wasn't there.
  29. }
  30. return true;
  31. } catch (Exception $e) {
  32. error_log("Error invalidating cache: " . $e->getMessage());
  33. return false;
  34. }
  35. }
  37. // Example usage (replace with your actual environment detection)
  38. if ($_SERVER['SERVER_NAME'] === 'staging.example.com') {
  39. if (invalidateStagingLogCache('staging')) {
  40. echo "Staging log cache invalidated successfully.\n";
  41. } else {
  42. echo "Failed to invalidate staging log cache.\n";
  43. }
  44. } else {
  45. echo "Not running in staging environment.\n";
  46. }
  48. ?>

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