1. <?php
  3. /**
  4. * Splits request headers for diagnostics with a timeout.
  5. *
  6. * @param array $headers The request headers array.
  7. * @param int $timeout The timeout in seconds.
  8. * @return array|null An array of diagnostic header data, or null on timeout.
  9. */
  10. function getDiagnosticHeaders(array $headers, int $timeout): ?array
  11. {
  12. $startTime = time();
  13. $diagnosticData = [];
  15. // Iterate through headers
  16. foreach ($headers as $header => $value) {
  17. // Check for timeout
  18. if (time() - $startTime > $timeout) {
  19. return null; // Timeout
  20. }
  22. // Add header to diagnostic data
  23. $diagnosticData[$header] = $value;
  24. }
  26. return $diagnosticData;
  27. }
  29. //Example usage:
  30. // Simulate request headers
  31. $headers = [
  32. 'Content-Type' => 'application/json',
  33. 'Authorization' => 'Bearer my_token',
  34. 'X-Request-ID' => '12345',
  35. 'Accept' => 'application/json',
  36. 'User-Agent' => 'My App/1.0'
  37. ];
  39. // Set timeout
  40. $timeout = 2; //seconds
  42. // Get diagnostic headers
  43. $diagnosticHeaders = getDiagnosticHeaders($headers, $timeout);
  45. if ($diagnosticHeaders !== null) {
  46. // Output the diagnostic headers (for demonstration)
  47. echo "<pre>";
  48. print_r($diagnosticHeaders);
  49. echo "</pre>";
  50. } else {
  51. echo "Request timed out.";
  52. }
  54. ?>

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