1. <?php
  3. /**
  4. * Wraps existing logic for response headers with default values during data migration.
  5. *
  6. * @param array $responseHeaders Existing response headers.
  7. * @param array $defaultHeaders Array of default response headers.
  8. * @return array Modified response headers with default values applied.
  9. */
  10. function applyDefaultResponseHeaders(array $responseHeaders, array $defaultHeaders): array
  11. {
  12. // Merge default headers with existing headers, prioritizing defaults.
  13. $mergedHeaders = array_merge($responseHeaders, $defaultHeaders);
  15. // Apply defaults where headers are missing or empty.
  16. $mergedHeaders = applyDefaultValues($mergedHeaders);
  18. return $mergedHeaders;
  19. }
  21. /**
  22. * Applies default values to response headers.
  23. *
  24. * @param array $headers Array of response headers.
  25. * @return array Modified response headers with default values.
  26. */
  27. function applyDefaultValues(array $headers): array
  28. {
  29. $defaults = [
  30. 'Content-Type' => 'application/json',
  31. 'Cache-Control' => 'no-cache, no-store, must-revalidate',
  32. 'Pragma' => 'no-cache',
  33. 'Expires' => '0',
  34. 'X-Migrate-Status' => 'in_progress', //Example custom header
  35. ];
  37. foreach ($defaults as $header => $defaultValue) {
  38. if (!isset($headers[$header]) || empty($headers[$header])) {
  39. $headers[$header] = $defaultValue;
  40. }
  41. }
  43. return $headers;
  44. }
  47. // Example usage (can be removed or adapted for your needs)
  48. /*
  49. $existingHeaders = [
  50. 'Content-Type' => 'application/json',
  51. 'X-Custom-Header' => 'some_value',
  52. ];
  54. $defaultHeaders = [
  55. 'Cache-Control' => 'no-cache',
  56. 'Pragma' => 'no-cache',
  57. 'X-Migrate-Status' => 'initial',
  58. ];
  60. $modifiedHeaders = applyDefaultResponseHeaders($existingHeaders, $defaultHeaders);
  62. print_r($modifiedHeaders);
  63. */
  64. ?>

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