1. <?php
  3. /**
  4. * Parses request headers with verbose logging.
  5. *
  6. * @param array $headers The array of request headers.
  7. * @return array An associative array of parsed headers.
  8. */
  9. function parseRequestHeaders(array $headers): array
  10. {
  11. $parsedHeaders = [];
  13. foreach ($headers as $header => $values) {
  14. // Log the header name.
  15. error_log("Header: " . $header);
  17. //If multiple values are present, log them.
  18. if (is_array($values)) {
  19. error_log(" Values: " . implode(", ", $values));
  20. } else {
  21. error_log(" Value: " . $values);
  22. }
  24. // Basic header parsing (can be extended)
  25. if ($header === 'User-Agent') {
  26. $parsedHeaders['user_agent'] = $values; // Store User-Agent
  27. } elseif ($header === 'Content-Type') {
  28. $parsedHeaders['content_type'] = $values; //Store Content-Type.
  29. } elseif ($header === 'Host') {
  30. $parsedHeaders['host'] = $values;
  31. } else {
  32. $parsedHeaders[$header] = $values; // Store other headers
  33. }
  34. }
  36. //Log the entire parsed headers array
  37. error_log("Parsed Headers: " . json_encode($parsedHeaders));
  40. return $parsedHeaders;
  41. }
  43. //Example Usage (for testing - remove for production)
  44. if (isset($_SERVER['HTTP_HOST'])) {
  45. $requestHeaders = getallheaders(); // Get all request headers
  46. $parsed = parseRequestHeaders($requestHeaders);
  47. print_r($parsed);
  49. } else {
  50. error_log("No HTTP_HOST header found. No headers to parse.");
  51. }
  52. ?>

Add your comment