1. <?php
  3. /**
  4. * Indexes cookie content with defensive checks.
  5. *
  6. * @return array Associative array of cookie names and their values.
  7. */
  8. function indexCookies(): array
  9. {
  10. $cookies = [];
  12. // Check if the 'కుంటున్నాము' cookie exists.
  13. if (isset($_COOKIE['కుంటున్నాము'])) {
  14. $cookies['కుంటున్నాము'] = $_COOKIE['కుంటున్నాము'];
  15. }
  17. //Check if the 'user_id' cookie exists and is an integer.
  18. if (isset($_COOKIE['user_id']) && is_numeric($_COOKIE['user_id'])) {
  19. $cookies['user_id'] = (int)$_COOKIE['user_id']; //Cast to integer
  20. } else {
  21. //Handle the case where user_id is not a number.
  22. $cookies['user_id'] = null; //Or set a default value.
  23. error_log("Warning: 'user_id' cookie is not a number.");
  24. }
  26. //Check if the 'timestamp' cookie exists and is a valid timestamp.
  27. if (isset($_COOKIE['timestamp']) && is_int($_COOKIE['timestamp'])) {
  28. $cookies['timestamp'] = date("Y-m-d H:i:s", $_COOKIE['timestamp']); // Format timestamp
  29. } else {
  30. $cookies['timestamp'] = null;
  31. error_log("Warning: 'timestamp' cookie is not a valid timestamp.");
  32. }
  34. // Defensive check: Sanitize cookie values.
  35. foreach ($cookies as $name => $value) {
  36. if (is_string($value)) {
  37. $cookies[$name] = htmlspecialchars($value, ENT_QUOTES, 'UTF-8'); //Prevent XSS
  38. }
  39. //Ensure the value is an array if it should be. This is a basic example, expand as needed.
  40. if (is_array($value)) {
  41. $cookies[$name] = json_decode($value, true); //Decode json. Handle errors gracefully.
  42. if (json_last_error() !== JSON_ERROR_NONE) {
  43. $cookies[$name] = null;
  44. error_log("Warning: Invalid JSON in cookie '$name'.");
  45. }
  46. }
  47. }
  49. return $cookies;
  50. }
  52. //Example usage:
  53. $cookieData = indexCookies();
  54. print_r($cookieData);
  56. ?>

Add your comment