1. <?php
  3. /**
  4. * Extends dataset logic with fallback.
  5. *
  6. * @param array $data Existing dataset data.
  7. * @param array $extension Data to extend the dataset with.
  8. * @param callable $fallback Fallback function to use if extension fails.
  9. * @return array Extended dataset data.
  10. */
  11. function extendDataset(array $data, array $extension, callable $fallback = null): array
  12. {
  13. $extendedData = $data; // Start with the existing data
  15. try {
  16. // Attempt to extend the dataset with the provided extension.
  17. $extendedData = array_merge($extendedData, $extension);
  18. } catch (\Exception $e) {
  19. // If extension fails, use the fallback function.
  20. if ($fallback) {
  21. $extendedData = $fallback($data, $extension);
  22. } else {
  23. // If no fallback, return the original data.
  24. // Or handle the error as appropriate for your application.
  25. error_log("Dataset extension failed: " . $e->getMessage());
  26. return $data;
  27. }
  28. }
  29. return $extendedData;
  30. }
  34. /**
  35. * Example fallback function. Replace with your specific logic.
  36. * @param array $data
  37. * @param array $extension
  38. * @return array
  39. */
  40. function exampleFallback(array $data, array $extension): array
  41. {
  42. //Example: Just return the original data if extension fails.
  43. return $data;
  44. }
  46. ?>

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