1. <?php
  3. /**
  4. * Deduplicates an array of strings, handling potential errors gracefully.
  5. *
  6. * @param array $strings An array of strings to deduplicate.
  7. * @return array An array containing only unique strings, or an empty array on failure.
  8. */
  9. function deduplicateStrings(array $strings): array
  10. {
  11. try {
  12. // Use array_unique for deduplication. Handles different data types gracefully.
  13. $uniqueStrings = array_unique($strings);
  15. // Check if array_unique returned an error.
  16. if ($uniqueStrings === false) {
  17. // Handle the error gracefully. Log it, or return an empty array.
  18. error_log("Deduplication failed: array_unique returned false.");
  19. return [];
  20. }
  23. return $uniqueStrings;
  25. } catch (Exception $e) {
  26. // Catch any unexpected exceptions.
  27. error_log("An unexpected error occurred during deduplication: " . $e->getMessage());
  28. return [];
  29. }
  30. }
  32. // Example Usage (for testing)
  33. // $data = ["apple", "banana", "apple", "orange", "banana"];
  34. // $deduplicatedData = deduplicateStrings($data);
  35. // print_r($deduplicatedData);
  37. ?>

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