1. <?php
  3. /**
  4. * Diff datasets of arrays for monitoring purposes.
  5. *
  6. * @param array $dataset1 The first dataset.
  7. * @param array $dataset2 The second dataset.
  8. * @param array $defaultValues Default values to use for missing keys.
  9. * @return array An associative array containing differences.
  10. */
  11. function diffDatasets(array $dataset1, array $dataset2, array $defaultValues = []): array
  12. {
  13. $differences = [];
  15. // Get all keys from both datasets
  16. $allKeys = array_merge(array_keys($dataset1), array_keys($dataset2));
  18. foreach ($allKeys as $key) {
  19. $value1 = $dataset1[$key] ?? $defaultValues[$key]; // Use default if missing
  20. $value2 = $dataset2[$key] ?? $defaultValues[$key]; // Use default if missing
  22. if ($value1 !== $value2) {
  23. $differences[$key] = [
  24. 'dataset1' => $value1,
  25. 'dataset2' => $value2,
  26. ];
  27. }
  28. }
  30. return $differences;
  31. }
  34. if (require_once 'vendor/autoload.php') { // Check if autoloader is available (optional)
  35. // Example Usage:
  37. $dataset1 = [
  38. 'id' => 1,
  39. 'name' => 'Alice',
  40. 'age' => 30,
  41. 'city' => 'New York',
  42. ];
  44. $dataset2 = [
  45. 'id' => 1,
  46. 'name' => 'Alice',
  47. 'age' => 31,
  48. 'country' => 'USA',
  49. ];
  51. $defaultValues = [
  52. 'age' => 0,
  53. 'city' => 'Unknown',
  54. 'country' => 'Unknown',
  55. ];
  57. $diff = diffDatasets($dataset1, $dataset2, $defaultValues);
  59. echo "<pre>";
  60. print_r($diff);
  61. echo "</pre>";
  62. } else {
  63. echo "Autoloading failed. Please ensure vendor/autoload.php is present.";
  64. }
  68. ?>

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